What is behind envy? Approach from a psychosocial perspective. Ginés
Navarro-Carrillo, Ana-María Beltrán-Morillas, Inmaculada Valor-Segura
& Francisca Expósito. Revista de Psicología Social/International
Journal of Social Psychology, Volume 32, 2017 - Issue 2, Pages 217-245.
https://doi.org/10.1080/02134748.2017.1297354
Abstract: Envy
strongly influences many spheres of social life. However, the psychology
of envy is still in its infancy. A theoretical and empirical
examination of envy was performed with a psychosocial focus via two
exploratory studies. In Study 1 (N = 141), participants were asked to
describe an event in which they experienced envy, indicating which
people they envied and the reasons for that envy. In Study 2 (N = 311),
the relationship between envy and several psychosocial variables such as
self-efficacy, self-esteem and perceived control were analysed, as well
as the predisposition to express aggressive behaviours in response to
this emotion. The results of Study 1 revealed that friends were the most
envied people, and abilities or personal skills were the most frequent
sources of envy. Likewise, the results of Study 2 showed that
self-efficacy, self-esteem and perceived control predicted envy, which
in turn predicted the expression of verbal aggressive behaviours.
Friday, December 15, 2017
Sex differences in academic strengths contribute to gender segregation in education and occupation: A longitudinal examination of 167,776 individuals
Sex differences in academic strengths contribute to gender segregation in education and occupation: A longitudinal examination of 167,776 individuals. S. Dekhtyar et al. Intelligence, https://doi.org/10.1016/j.intell.2017.11.007
Highlights
• Women and men exhibit different patterns of academic strengths at age 16.
• Men and women pursue careers reflecting their earlier academic strengths.
• Career gender segregation is related to the extent careers demand varying skills.
• Sex differences in academic strengths cannot fully explain gendered career choices.
Abstract: We investigate whether sex differences in academic strengths have an impact on society by affecting the career choices made by women and men. By longitudinally following 167,776 individuals from Sweden, we found that (1) more 16-year old girls than boys had a relative strength in verbal/language school subjects than in technical/numerical ones, whereas more boys than girls had a relative strength in technical/numerical school subjects than in verbal/language ones; (2) when these girls and boys attained higher education and entered employment, they largely pursued careers cognitively matching their initial academic strengths; (3) while individuals generally made career choices in line with their academic strengths, men and women matched on these strengths nevertheless made rather distinct career choices, in particular women with technical/numerical strengths who largely avoided careers demanding these skills; (4) sex distribution in education and occupation was related to the extent these career paths were perceived as either numerically or verbally demanding. Taken together, although gender segregation is to some extent associated with individuals making choices matching their academic strengths, the vast discrepancies in career outcomes between men and women can be only in part attributed to sex differences in academic performance.
Highlights
• Women and men exhibit different patterns of academic strengths at age 16.
• Men and women pursue careers reflecting their earlier academic strengths.
• Career gender segregation is related to the extent careers demand varying skills.
• Sex differences in academic strengths cannot fully explain gendered career choices.
Abstract: We investigate whether sex differences in academic strengths have an impact on society by affecting the career choices made by women and men. By longitudinally following 167,776 individuals from Sweden, we found that (1) more 16-year old girls than boys had a relative strength in verbal/language school subjects than in technical/numerical ones, whereas more boys than girls had a relative strength in technical/numerical school subjects than in verbal/language ones; (2) when these girls and boys attained higher education and entered employment, they largely pursued careers cognitively matching their initial academic strengths; (3) while individuals generally made career choices in line with their academic strengths, men and women matched on these strengths nevertheless made rather distinct career choices, in particular women with technical/numerical strengths who largely avoided careers demanding these skills; (4) sex distribution in education and occupation was related to the extent these career paths were perceived as either numerically or verbally demanding. Taken together, although gender segregation is to some extent associated with individuals making choices matching their academic strengths, the vast discrepancies in career outcomes between men and women can be only in part attributed to sex differences in academic performance.
Gender differences in romantic relationship memories: who remembers? Who cares?
Gender differences in romantic relationship memories: who remembers? Who cares? Diane Holmberg, Tabatha M. Thibault & Jennifer D. Pringle. Memory, https://doi.org/10.1080/09658211.2017.1411515
ABSTRACT: Two studies were conducted to assess patterns of gender differences in memory for romantic relationship events. Results suggested that people believe that women have better memory for romantic relationship events than men, that better relationship memory predicts higher levels of relationship well-being, and that the association between relationship memory and relationship well-being is somewhat stronger for women than for men. Women did tend to have somewhat better relationship memory than men, as assessed via subjective reports from both partners in mixed-sex relationships, and via the number of details partners provided when asked to recall a specific relationship event (i.e., their first date). Consistent with the lay theories, both own and partner’s better relationship memory predicted higher levels of relationship well-being; however, the association between better relationship memory and higher levels of relationship well-being was equally strong for both genders. Implications and future research directions are discussed.
KEYWORDS: Relationships, gender differences, relationship well-being, lay theories
ABSTRACT: Two studies were conducted to assess patterns of gender differences in memory for romantic relationship events. Results suggested that people believe that women have better memory for romantic relationship events than men, that better relationship memory predicts higher levels of relationship well-being, and that the association between relationship memory and relationship well-being is somewhat stronger for women than for men. Women did tend to have somewhat better relationship memory than men, as assessed via subjective reports from both partners in mixed-sex relationships, and via the number of details partners provided when asked to recall a specific relationship event (i.e., their first date). Consistent with the lay theories, both own and partner’s better relationship memory predicted higher levels of relationship well-being; however, the association between better relationship memory and higher levels of relationship well-being was equally strong for both genders. Implications and future research directions are discussed.
KEYWORDS: Relationships, gender differences, relationship well-being, lay theories
In the domain of instrumental harm, deontological agents were uniformly preferred across a variety of social roles. Regarding impartial beneficence, are preferred for roles of direct interaction (friend, spouse, etc)
Everett, Jim A C, Nadira S Faber, Julian Savulescu, and Molly Crockett. 2017. “Everett Et Al. The Cost of Being Consequentialist”. PsyArXiv. December 15. psyarxiv.com/a2kx6
Abstract: Previous work has demonstrated that people are more likely to trust “deontological” agents who reject instrumentally harming one person to save a greater number than “consequentialist” agents who endorse such harm in pursuit of the greater good. It has been argued that these differential social perceptions of deontological vs. consequentialist agents could explain the higher prevalence of deontological moral intuitions. Yet consequentialism involves much more than decisions to endorse instrumental harm: another critical dimension is impartial beneficence, defined as the impartial maximization of the greater good, treating the well-being of every individual as equally important. In three studies (total N = 1,634), we investigated preferences for deontological vs. consequentialist social partners in both the domains of instrumental harm and impartial beneficence, and consider how such preferences vary across different types of social relationships. Our results demonstrate consistent preferences for deontological over consequentialist agents across both domains of instrumental harm and impartial beneficence: deontological agents were viewed as more moral and trustworthy, and were actually entrusted with more money in a resource distribution task. However, preferences for deontological agents were stronger when those preferences were revealed via aversion to instrumental harm than impartial beneficence. Finally, in the domain of instrumental harm, deontological agents were uniformly preferred across a variety of social roles, but in the domain of impartial beneficence, people prefer deontologists for roles requiring direct interaction (friend, spouse, boss) but not for more distant roles with little-to-no personal interaction (political leader).
Abstract: Previous work has demonstrated that people are more likely to trust “deontological” agents who reject instrumentally harming one person to save a greater number than “consequentialist” agents who endorse such harm in pursuit of the greater good. It has been argued that these differential social perceptions of deontological vs. consequentialist agents could explain the higher prevalence of deontological moral intuitions. Yet consequentialism involves much more than decisions to endorse instrumental harm: another critical dimension is impartial beneficence, defined as the impartial maximization of the greater good, treating the well-being of every individual as equally important. In three studies (total N = 1,634), we investigated preferences for deontological vs. consequentialist social partners in both the domains of instrumental harm and impartial beneficence, and consider how such preferences vary across different types of social relationships. Our results demonstrate consistent preferences for deontological over consequentialist agents across both domains of instrumental harm and impartial beneficence: deontological agents were viewed as more moral and trustworthy, and were actually entrusted with more money in a resource distribution task. However, preferences for deontological agents were stronger when those preferences were revealed via aversion to instrumental harm than impartial beneficence. Finally, in the domain of instrumental harm, deontological agents were uniformly preferred across a variety of social roles, but in the domain of impartial beneficence, people prefer deontologists for roles requiring direct interaction (friend, spouse, boss) but not for more distant roles with little-to-no personal interaction (political leader).
Direct replication of Gervais & Norenzayan (2012): No evidence that analytic thinking decreases religious belief
Direct replication of Gervais & Norenzayan (2012): No evidence that analytic thinking decreases religious belief. Clinton Sanchez, Brian Sundermeier, Kenneth Gray, Robert J. Calin-Jageman. PLoS One, https://doi.org/10.1371/journal.pone.0172636
Abstract: Gervais & Norenzayan (2012) reported in Science a series of 4 experiments in which manipulations intended to foster analytic thinking decreased religious belief. We conducted a precise, large, multi-site pre-registered replication of one of these experiments. We observed little to no effect of the experimental manipulation on religious belief (d = 0.07 in the wrong direction, 95% CI[-0.12, 0.25], N = 941). The original finding does not seem to provide reliable or valid evidence that analytic thinking causes a decrease in religious belief.
Check also Epistemic rationality: Skepticism toward unfounded beliefs requires sufficient cognitive ability and motivation to be rational. Tomas Ståhl, Jan-Willem van Prooijen. Personality and Individual Differences, Volume 122, February 01 2018, Pages 155–163. http://www.bipartisanalliance.com/2017/11/skepticism-toward-unfounded-beliefs.html
And: Public Perceptions of Partisan Selective Exposure. Perryman, Mallory R.. The University of Wisconsin - Madison, ProQuest Dissertations Publishing, 2017. 10607943. https://search.proquest.com/openview/20d6e3befcf61455779aebe39b91d29f/1?pq-origsite=gscholar&cbl=18750&diss=y
And: Dispelling the Myth: Training in Education or Neuroscience Decreases but Does Not Eliminate Beliefs in Neuromyths. Kelly Macdonald et al. Frontiers in Psychology, Aug 10 2017. http://www.bipartisanalliance.com/2017/08/training-in-education-or-neuroscience.html
And: Wisdom and how to cultivate it: Review of emerging evidence for a constructivist model of wise thinking. Igor Grossmann. European Psychologist, in press. Pre-print: http://www.bipartisanalliance.com/2017/08/wisdom-and-how-to-cultivate-it-review.html
And: Science Denial Across the Political Divide — Liberals and Conservatives Are Similarly Motivated to Deny Attitude-Inconsistent Science. Anthony N. Washburn, Linda J. Skitka. Social Psychological and Personality Science, http://www.bipartisanalliance.com/2017/09/liberals-and-conservatives-are.html
And: Biased Policy Professionals. Sheheryar Banuri, Stefan Dercon, and Varun Gauri. World Bank Policy Research Working Paper 8113. http://www.bipartisanalliance.com/2017/08/biased-policy-professionals-world-bank.html
And: Individuals with greater science literacy and education have more polarized beliefs on controversial science topics. Caitlin Drummond and Baruch Fischhoff. Proceedings of the National Academy of Sciences, vol. 114 no. 36, pp 9587–9592, doi: 10.1073/pnas.1704882114
And: Expert ability can actually impair the accuracy of expert perception when judging others' performance: Adaptation and fallibility in experts' judgments of novice performers. By Larson, J. S., & Billeter, D. M. (2017). Journal of Experimental Psychology: Learning, Memory, and Cognition, 43(2), 271–288. http://www.bipartisanalliance.com/2017/06/expert-ability-can-actually-impair.html
And: Bottled Water and the Overflowing Nanny State, by Angela Logomasini. How Misinformation Erodes Consumer Freedom. CEI, February 17, 2009http://www.bipartisanalliance.com/2009/02/bottled-water-and-overflowing-nanny.html
And Competing cues: Older adults rely on knowledge in the face of fluency. By Brashier, Nadia M.; Umanath, Sharda; Cabeza, Roberto; Marsh, Elizabeth J.
Psychology and Aging, Vol 32(4), Jun 2017, 331-337. http://www.bipartisanalliance.com/2017/07/competing-cues-older-adults-rely-on.html
Abstract: Gervais & Norenzayan (2012) reported in Science a series of 4 experiments in which manipulations intended to foster analytic thinking decreased religious belief. We conducted a precise, large, multi-site pre-registered replication of one of these experiments. We observed little to no effect of the experimental manipulation on religious belief (d = 0.07 in the wrong direction, 95% CI[-0.12, 0.25], N = 941). The original finding does not seem to provide reliable or valid evidence that analytic thinking causes a decrease in religious belief.
Check also Epistemic rationality: Skepticism toward unfounded beliefs requires sufficient cognitive ability and motivation to be rational. Tomas Ståhl, Jan-Willem van Prooijen. Personality and Individual Differences, Volume 122, February 01 2018, Pages 155–163. http://www.bipartisanalliance.com/2017/11/skepticism-toward-unfounded-beliefs.html
And: Public Perceptions of Partisan Selective Exposure. Perryman, Mallory R.. The University of Wisconsin - Madison, ProQuest Dissertations Publishing, 2017. 10607943. https://search.proquest.com/openview/20d6e3befcf61455779aebe39b91d29f/1?pq-origsite=gscholar&cbl=18750&diss=y
And: Dispelling the Myth: Training in Education or Neuroscience Decreases but Does Not Eliminate Beliefs in Neuromyths. Kelly Macdonald et al. Frontiers in Psychology, Aug 10 2017. http://www.bipartisanalliance.com/2017/08/training-in-education-or-neuroscience.html
And: Wisdom and how to cultivate it: Review of emerging evidence for a constructivist model of wise thinking. Igor Grossmann. European Psychologist, in press. Pre-print: http://www.bipartisanalliance.com/2017/08/wisdom-and-how-to-cultivate-it-review.html
And: Science Denial Across the Political Divide — Liberals and Conservatives Are Similarly Motivated to Deny Attitude-Inconsistent Science. Anthony N. Washburn, Linda J. Skitka. Social Psychological and Personality Science, http://www.bipartisanalliance.com/2017/09/liberals-and-conservatives-are.html
And: Biased Policy Professionals. Sheheryar Banuri, Stefan Dercon, and Varun Gauri. World Bank Policy Research Working Paper 8113. http://www.bipartisanalliance.com/2017/08/biased-policy-professionals-world-bank.html
And: Individuals with greater science literacy and education have more polarized beliefs on controversial science topics. Caitlin Drummond and Baruch Fischhoff. Proceedings of the National Academy of Sciences, vol. 114 no. 36, pp 9587–9592, doi: 10.1073/pnas.1704882114
And: Expert ability can actually impair the accuracy of expert perception when judging others' performance: Adaptation and fallibility in experts' judgments of novice performers. By Larson, J. S., & Billeter, D. M. (2017). Journal of Experimental Psychology: Learning, Memory, and Cognition, 43(2), 271–288. http://www.bipartisanalliance.com/2017/06/expert-ability-can-actually-impair.html
And: Bottled Water and the Overflowing Nanny State, by Angela Logomasini. How Misinformation Erodes Consumer Freedom. CEI, February 17, 2009http://www.bipartisanalliance.com/2009/02/bottled-water-and-overflowing-nanny.html
And Competing cues: Older adults rely on knowledge in the face of fluency. By Brashier, Nadia M.; Umanath, Sharda; Cabeza, Roberto; Marsh, Elizabeth J.
Psychology and Aging, Vol 32(4), Jun 2017, 331-337. http://www.bipartisanalliance.com/2017/07/competing-cues-older-adults-rely-on.html
Thursday, December 14, 2017
Many lesbian and gay adoptive parents reported that birth parents had intentionally selected a same-sex adoptive couple
Farr, R. H., Ravvina, Y. and Grotevant, H. D. (2017), Birth Family Contact Experiences Among Lesbian, Gay, and Heterosexual Adoptive Parents With School-Age Children. Fam Relat. doi:10.1111/fare.12295
Abstract
Objective: To examine how lesbian, gay, and heterosexual adoptive parents navigate openness dynamics with children's birth family across a 5-year period, when children are preschool- to school-age.
Background: Few studies regarding birth family contact have included longitudinal data as well as a sample of adoptive parents of varying sexual orientations. Thus, this study used a multiprong theoretical approach grounded in emotional distance regulation, families of choice, and gender theory.
Method: A mixed-methods approach with longitudinal quantitative survey and qualitative interview data from 106 lesbian, gay, and heterosexual adoptive parent families was employed to examine the type of contact, its frequency, who was involved, perceptions of this contact, and the extent to which formal agreements exist between adoptive and birth families regarding contact.
Results: Findings revealed variations in the status and perceptions of contact across adoptive families. We also discovered that many lesbian and gay adoptive parents reported that birth parents had intentionally selected a same-sex adoptive couple, and birth parents appeared to have distinct reasons for this choice.
Conclusion: Although some differences in birth family contact distinguished lesbian, gay, and heterosexual adoptive parent families, these families generally appeared more similar than different.
Implications: Implications—particularly a need for demonstrated competencies in adoption openness—are discussed for adoption professionals in policy, practice, and legal realms.
Abstract
Objective: To examine how lesbian, gay, and heterosexual adoptive parents navigate openness dynamics with children's birth family across a 5-year period, when children are preschool- to school-age.
Background: Few studies regarding birth family contact have included longitudinal data as well as a sample of adoptive parents of varying sexual orientations. Thus, this study used a multiprong theoretical approach grounded in emotional distance regulation, families of choice, and gender theory.
Method: A mixed-methods approach with longitudinal quantitative survey and qualitative interview data from 106 lesbian, gay, and heterosexual adoptive parent families was employed to examine the type of contact, its frequency, who was involved, perceptions of this contact, and the extent to which formal agreements exist between adoptive and birth families regarding contact.
Results: Findings revealed variations in the status and perceptions of contact across adoptive families. We also discovered that many lesbian and gay adoptive parents reported that birth parents had intentionally selected a same-sex adoptive couple, and birth parents appeared to have distinct reasons for this choice.
Conclusion: Although some differences in birth family contact distinguished lesbian, gay, and heterosexual adoptive parent families, these families generally appeared more similar than different.
Implications: Implications—particularly a need for demonstrated competencies in adoption openness—are discussed for adoption professionals in policy, practice, and legal realms.
Exploring the Relationship between Secularity and Marital Behavior -- Male Atheists Forced to Marry Religious Women!
Exploring the Relationship between Secularity and Marital Behavior. Maryam Dilmaghani. Marriage & Family Review, https://doi.org/10.1080/01494929.2017.1403989
ABSTRACT: The higher religiosity of women is a longstanding feature of the religious landscape in the Western World. With the recent vibrancy of secular movements, the greater religiosity of women is reflected in a gender imbalance within the secular groups. For instance, more than three quarters of American atheists are male. Given the effects of both religiosity and secularity on worldview and lifestyle, this gender imbalance is likely consequential for marital behavior and outcomes. Using the latest cycle of the Canadian General Social Survey focused on family, this paper examines how marital behavior of individuals without any tie with religion or spirituality compares with others. Secular males are found appreciably more likely to experience marital dissolution, whereas their female counterparts are shown no different from others. This result lends support to the theories that posit religiosity as a complementary marital trait, requiring the mating of the like. The analysis also indicates that union formation behavior of secular females manifests a larger shift away from the traditional conceptions of marriage compared with secular males. Various explanations are explored.
KEYWORDS: cohabitation, divorce, gender, religiosity, secularity
ABSTRACT: The higher religiosity of women is a longstanding feature of the religious landscape in the Western World. With the recent vibrancy of secular movements, the greater religiosity of women is reflected in a gender imbalance within the secular groups. For instance, more than three quarters of American atheists are male. Given the effects of both religiosity and secularity on worldview and lifestyle, this gender imbalance is likely consequential for marital behavior and outcomes. Using the latest cycle of the Canadian General Social Survey focused on family, this paper examines how marital behavior of individuals without any tie with religion or spirituality compares with others. Secular males are found appreciably more likely to experience marital dissolution, whereas their female counterparts are shown no different from others. This result lends support to the theories that posit religiosity as a complementary marital trait, requiring the mating of the like. The analysis also indicates that union formation behavior of secular females manifests a larger shift away from the traditional conceptions of marriage compared with secular males. Various explanations are explored.
KEYWORDS: cohabitation, divorce, gender, religiosity, secularity
Are Negative Nominal Interest Rates Expansionary? It seems not.
Are Negative Nominal Interest Rates Expansionary? Gauti Eggertsson, Ragnar Juelsrud & Ella Getz Wold. NBER Working Paper, November 2017. http://www.nber.org/papers/w24039
Abstract: Following the crisis of 2008 several central banks engaged in a radical new policy experiment by setting negative policy rates. Using aggregate and bank-level data, we document a collapse in pass-through to deposit and lending rates once the policy rate turns negative. Motivated by these empirical facts, we construct a macro-model with a banking sector that links together policy rates, deposit rates and lending rates. Once the policy rates turns negative the usual transmission mechanism of monetary policy breaks down. Moreover, because a negative interest rate on reserves reduces bank profits, the total effect on aggregate output can be contractionary
Abstract: Following the crisis of 2008 several central banks engaged in a radical new policy experiment by setting negative policy rates. Using aggregate and bank-level data, we document a collapse in pass-through to deposit and lending rates once the policy rate turns negative. Motivated by these empirical facts, we construct a macro-model with a banking sector that links together policy rates, deposit rates and lending rates. Once the policy rates turns negative the usual transmission mechanism of monetary policy breaks down. Moreover, because a negative interest rate on reserves reduces bank profits, the total effect on aggregate output can be contractionary
Passionate love's function is to tell our partners that we are committed to the relationship thru signalling we are not seeking more attractive alternatives, giving assurances that we lack the will to replace, reject or cheat on the partner
Passion, Relational Mobility, and Proof of Commitment: A Comparative Socio–Ecological Analysis of an Adaptive Emotion in a Sexual Market. Junko Yamada, Mie Kito, Masaki Yuki. Evolutionary Psychology, Volume: 15 issue: 4, https://doi.org/10.1177/1474704917746056
Abstract: Although monogamy, the exclusive bonding with a specific partner, is one characteristic of modern human mating, long-term romantic relationships inherently possess the commitment problem, which is the conflict between maintaining a relationship with a certain partner and seeking attractive alternatives. Frank has argued that love and passion help solve this problem because they make individuals commit voluntarily to the relationship, leading the other party to also be committed with less concern over being cheated on or rejected. Combining this idea with the comparative socio‐ecological approach, we hypothesize that passion will be more pronounced in social environments in which people have greater freedom to choose and replace their partners (i.e., high relational mobility) than in societies in which relationships tend to be more stable and hard to change (i.e., low relational mobility). To test this hypothesis, we compared Americans (living in a society with high relational mobility) and Japanese (living in a society with low relational mobility). As predicted, Americans were more passionate toward their romantic partners than Japanese, and this cultural difference was partially explained by the levels of perceived relational mobility in participants’ local ecology. Moreover, more intense passion was found to lead to greater commitment behaviors in both societies. The importance of taking socioecological factors into consideration for the theory of the adaptive function of interpersonal emotions is also discussed.
Keywords: passion, commitment, human mating, socioecological approach, relational mobility
What China Gets Right About Relationships. Sam Massie. Feb 16, 2015. https://medium.com/matter/what-china-gets-right-about-relationships-2c9b62fc4bec. Extract:
Abstract: Although monogamy, the exclusive bonding with a specific partner, is one characteristic of modern human mating, long-term romantic relationships inherently possess the commitment problem, which is the conflict between maintaining a relationship with a certain partner and seeking attractive alternatives. Frank has argued that love and passion help solve this problem because they make individuals commit voluntarily to the relationship, leading the other party to also be committed with less concern over being cheated on or rejected. Combining this idea with the comparative socio‐ecological approach, we hypothesize that passion will be more pronounced in social environments in which people have greater freedom to choose and replace their partners (i.e., high relational mobility) than in societies in which relationships tend to be more stable and hard to change (i.e., low relational mobility). To test this hypothesis, we compared Americans (living in a society with high relational mobility) and Japanese (living in a society with low relational mobility). As predicted, Americans were more passionate toward their romantic partners than Japanese, and this cultural difference was partially explained by the levels of perceived relational mobility in participants’ local ecology. Moreover, more intense passion was found to lead to greater commitment behaviors in both societies. The importance of taking socioecological factors into consideration for the theory of the adaptive function of interpersonal emotions is also discussed.
Keywords: passion, commitment, human mating, socioecological approach, relational mobility
What China Gets Right About Relationships. Sam Massie. Feb 16, 2015. https://medium.com/matter/what-china-gets-right-about-relationships-2c9b62fc4bec. Extract:
2.
Actions, Not Words
When I started dating “Jane,” I felt uneasy, because she wouldn’t say the sweet, flirtatious things I expected from a girlfriend. Once, I came home to Shanghai after a week in Indonesia, and instead of saying “I missed you!” or “so good to see you!”, she just launched into conversation as if we’d bumped into each other in the company cafeteria. When I told her I loved her, she responded with a nod and a blank face. I started to worry, did she love me back?
But meanwhile, she started to do countless little nice things for me, without calling attention to herself. She bought me shorts at Old Navy. She took a goofy picture of us with an old Polaroid camera, bought it a frame with bunny ears, and gave it to me. When I threw a birthday party, she blew up balloons and hung them everywhere, brought chips and fresh salsa from a Mexican restaurant, and even arranged a wheelchair so my friend with the sprained ankle could come. As if this wasn’t enough, she also cooked me a delicious pesto meal, complete with red wine and scented candles, and painted me an oil painting which referenced a text message I’d sent her a month before and nearly forgotten about. She had done so much, and I had worried because she’d said too little!
My Chinese teacher, Su Wei, is a master of bold, considerate actions. Once, during Christmas holiday, I took the train up from New York to see him. Even though I only had two hours, he drove 40 minutes to the train station and 40 minutes back, just so he could show me his new house. He gave me a book, a case of jasmine tea for my mom, and a giant bag of pistachios to bring back to China.
Since college, Su Wei has opened his house to his favorite students, saying “this is your home!” Whenever I visit, his wife Liu Mengjun always cooks a huge meal, and there’s always a bed made in the guest room in case I want to spend the night. Once, I casually asked for orange juice, and from then on, there was always was a quart of Tropicana in the fridge whenever I visited. Unique among my college professors, Su Wei has taken an active interest in his student’s lives, and continued to support them as a friend and mentor long after graduation. As a novelist, teacher, and poet, he is more expressive than Jane, but he still leads with his actions.
This emphasis on action goes back to Confucius. In Book IV, Verse XXIV of the Analects, he declared: “The superior man wishes to be slow in his speech and earnest in his conduct.” He could easily be describing Jane or Su Wei.
3.
Introversion and Sincerity
My Chinese coworkers prefer to stay quiet in unfamiliar social settings. The thought is, “I don’t want to go first” or “I don’t want to say the wrong thing.” This makes team lunches dreadfully boring. Our American office manager, Melissa, has tried to force employees to be social with Friday Happy Hours at the office, but instead of socializing, most employees rush to grab a beer or a popcorn and then return to their desks.
This is the near-opposite of American bluster and extroversion. Americans seem to have a script for these situations: “How’s it going.” “So, what do you do?” “Whatcha got going on this weekend?” Usually they don’t care about the answer — sorry, Mark, no one wants to hear about your bike trip — but the script forces people together, and facilitates new connections.
These two stances, introversion versus extroversion, sincerity vs. small talk, lead to different outcomes. The first stance leads to a few close friendships, the second leads to lots of acquaintances. There is no word for “networking” in Chinese. How could there be, after Confucius himself said, “Have no friends not equal to yourself”? On the flip side, small talk can open up friendships, but too often, these “friendships” get stuck in a sort of Demilitarized Zone of fake cheer and irony. Americans may be more outgoing on average, but that doesn’t make them less lonely.
Of course, China has its own insincere social rituals, but they revolve around banquets, toasting, gift-giving, and trying to one-up each other in Generosity and Actions. These rituals create, if not sincere friendship, then at least a strong bond of mutual dependency.
4.
Friendships Are More Intimate
When I have made it past the “friend” barrier with a Chinese person, he or she has often becomes as close as a Westerner I’ve known for many years. Angela, who joined us on the trip to Yixing, is a senior HR manager, but she treats her hires like her children. She’s invited me and Dandan to go hiking with her teenage son, and regularly hosts dinner parties at her house. Su Wei, my Chinese teacher, knows more about my love life than my parents do.
My coworker Lincoln, a thoughtful digital marketer with a pirate’s goatee, has already become a swimming buddy and political debating partner. We’ll head to the Xuhui District public swimming pool, where of course, we have to strip naked to change into our bathing suits, and swim for an hour or two. Then we’ll order noodles at the Lanzhou Noodle restaurant and talk politics and history until the Shanghai Metro hits closing time.
Even Chinese-Americans like my friend Charles, who moved to Vermont when he was 8, says “yo” and “a’ight,” and is otherwise the perfect image of a Dartmouth frat boy, haven’t lost this trait. Charles won’t hesitate to spend an entire Saturday and Sunday with one of his “boys” or “girls”, drinking, eating, and telling mutually incriminating stories. The language is English and the content is American, but the format remains Chinese.
Whether it’s Angela, Su Wei, Lincoln, or Charles, they all manage to be close without resorting to the exaggerated sentimentality of my Western friends. None of them has ever said, “It’s SO good to see you!” Instead, they simply invite me into their lives and invest hours together.
As a special class of friendship, dating in China is less like a “relationship” between two individuals and more like a merger of two lives. The ideal Shanghainese boyfriend will cook his girl’s meals, fold her laundry, and of course, pay for everything — as my American roommate Jon has learned to do for his local girlfriend, Sabrina. Continuous communication on WeChat is the norm; matching “couple clothes” are not uncommon. Even the concept of “dating” itself implies a steady march towards marriage. Western hook-up culture, while spreading, remains limited to young professionals in places like central Shanghai.
The deepest bond, of course, is between parent and child. One day, Jane asked her mother what she would do if she died. Without missing a beat, without even changing her expression, her mother said, “Oh, I would kill myself.”
[...]
They tend to say less and do more, showing their care through considerate actions instead of words. The wall between strangers is higher, perhaps, but once you’ve crossed that wall, everything is shared.
Demographics and Innovation -- Younger populations are more innovative
Derrien, François and Kecskes, Ambrus and Nguyen, Phuong-Anh, Demographics and Innovation (December 11, 2017). HEC Paris Research Paper No. FIN-2017-1243. Available at SSRN: https://ssrn.com/abstract=3076971
Abstract: We argue that a younger labor force produces more innovation. Using the native born labor force projected based on local historical births, we find that a younger age structure causes a significant increase in innovation. We use three levels of analysis in succession – commuting zones, firms, and inventors – to examine or eliminate various effects such as firm and inventor life cycles. We also find that innovation activities reflect the innovative characteristics of younger labor forces. Our results indicate that demographics increase innovation through the labor supply channel rather than through a financing supply or consumer demand channel.
Keywords: Innovation; Demographics; Age structure; Labor markets; Firms; Inventors; Patents
Abstract: We argue that a younger labor force produces more innovation. Using the native born labor force projected based on local historical births, we find that a younger age structure causes a significant increase in innovation. We use three levels of analysis in succession – commuting zones, firms, and inventors – to examine or eliminate various effects such as firm and inventor life cycles. We also find that innovation activities reflect the innovative characteristics of younger labor forces. Our results indicate that demographics increase innovation through the labor supply channel rather than through a financing supply or consumer demand channel.
Keywords: Innovation; Demographics; Age structure; Labor markets; Firms; Inventors; Patents
Wednesday, December 13, 2017
Resistance to Extinction and Psychopathology, With New Evidence of How a CS Can Act Like a US in The Sexual conditioning of Male Japanese Quail (Coturnix Coturnix Japonica)
Resistance to Extinction and Psychopathology, With New Evidence of How a CS Can Act Like a US in The Sexual conditioning of Male Japanese Quail (Coturnix Coturnix Japonica). Köksal, FalihKumru, GülsenDomjan, Michael. International Journal of Comparative Psychology, Volume 30. https://escholarship.org/uc/item/8r68c42r
Abstract: This paper is organized in three sections. In the first section, we discuss the relevance of comparative psychology to clinical issues by relating resistance to extinction to psychological disorders involving anxiety, addiction, and fetishism. In the second section, we review areas of comparative psychology that deal in one way or another with the general problem of treating an insignificant event as it were significant. We describe research on supernormal stimuli, evaluative conditioning, acquired drives, incentive sensitization, and consummatory response theory. In the third section of the paper, we present new research on second-order sexual conditioning of male Japanese quail related to the consummatory response theory. First-order conditioning was conducted by pairing the presentation of a terrycloth object (CS1 or conditioned stimulus 1) with copulation with a female (the US or unconditioned stimulus). The male quail came to approach the terrycloth object during the first-order conditioning phase. In addition, about half of the quail also showed conditioned consummatory responses directed towards the terrycloth object. During the second-order conditioning phase, the terrycloth object was used to condition responding to a light (CS2) in the absence of further exposures to the unconditioned stimulus. Birds that showed conditioned consummatory behavior towards CS1 persisted in this behavior during the second-order phase and showed successful second-order conditioning of the light. In contrast, birds that failed to develop conditioned consummatory responses to CS1 showed rapid extinction and minimal second-order conditioning. The implications of these finding for learning theory and for psychopathology are discussed.
Abstract: This paper is organized in three sections. In the first section, we discuss the relevance of comparative psychology to clinical issues by relating resistance to extinction to psychological disorders involving anxiety, addiction, and fetishism. In the second section, we review areas of comparative psychology that deal in one way or another with the general problem of treating an insignificant event as it were significant. We describe research on supernormal stimuli, evaluative conditioning, acquired drives, incentive sensitization, and consummatory response theory. In the third section of the paper, we present new research on second-order sexual conditioning of male Japanese quail related to the consummatory response theory. First-order conditioning was conducted by pairing the presentation of a terrycloth object (CS1 or conditioned stimulus 1) with copulation with a female (the US or unconditioned stimulus). The male quail came to approach the terrycloth object during the first-order conditioning phase. In addition, about half of the quail also showed conditioned consummatory responses directed towards the terrycloth object. During the second-order conditioning phase, the terrycloth object was used to condition responding to a light (CS2) in the absence of further exposures to the unconditioned stimulus. Birds that showed conditioned consummatory behavior towards CS1 persisted in this behavior during the second-order phase and showed successful second-order conditioning of the light. In contrast, birds that failed to develop conditioned consummatory responses to CS1 showed rapid extinction and minimal second-order conditioning. The implications of these finding for learning theory and for psychopathology are discussed.
Smoking status and attractiveness among exemplar and prototypical identical twins discordant for smoking
Smoking status and attractiveness among exemplar and prototypical identical twins discordant for smoking. Andrew L. Skinner, Andy Woods, Christopher J. Stone, Ian Penton-Voak, Marcus R. Munafò. Royal Society Open Science, http://rsos.royalsocietypublishing.org/content/4/12/161076
Abstract: Smoking is associated with negative health of skin and increased signs of facial ageing. We aimed to address two questions about smoking and appearance: (1) does facial appearance alone provide an indication of smoking status, and (2) how does smoking affect the attractiveness of faces? We used faces of identical twins discordant for smoking, and prototypes made by averaging the faces of the twins. In Task 1, we presented exemplar twin sets and same sex prototypes side-by-side and participants (n = 590) indicated which face was the smoker. Participants were blind to smoking status. In Task 2 a separate sample (n = 580) indicated which face was more attractive. For the exemplar twin sets, there was inconclusive evidence participants selected the smoking twin as the smoker more often, or selected the non-smoking twin as the more attractive more often. For the prototypes, however, participants clearly selected the smoking prototypes as the smoker more often, and the non-smoking prototypes as the more attractive. Prototypical faces of smokers are judged more attractive and correctly identified as smokers more often than prototypical faces of matched non-smokers. We discuss the possible use of these findings in smoking behaviour change interventions.
Abstract: Smoking is associated with negative health of skin and increased signs of facial ageing. We aimed to address two questions about smoking and appearance: (1) does facial appearance alone provide an indication of smoking status, and (2) how does smoking affect the attractiveness of faces? We used faces of identical twins discordant for smoking, and prototypes made by averaging the faces of the twins. In Task 1, we presented exemplar twin sets and same sex prototypes side-by-side and participants (n = 590) indicated which face was the smoker. Participants were blind to smoking status. In Task 2 a separate sample (n = 580) indicated which face was more attractive. For the exemplar twin sets, there was inconclusive evidence participants selected the smoking twin as the smoker more often, or selected the non-smoking twin as the more attractive more often. For the prototypes, however, participants clearly selected the smoking prototypes as the smoker more often, and the non-smoking prototypes as the more attractive. Prototypical faces of smokers are judged more attractive and correctly identified as smokers more often than prototypical faces of matched non-smokers. We discuss the possible use of these findings in smoking behaviour change interventions.
Now I’m 3: Young Children’s Concepts of Age, Aging, and Birthdays
Now I’m 3: Young Children’s Concepts of Age, Aging, and Birthdays. Jacqueline D. Woolley, Amanda M. Rhoads. Imagination, Cognition and Personality, https://doi.org/10.1177/0276236617748129
Abstract: In two studies, we examined 99 3- to 5-year-old American children’s concepts of age, aging, and birthdays. Previous research has shown that preschool-age children understand that all living beings grow, and that growth is a biological process. Humans, however, are distinct from other living things in that we attach great significance to the aging process. Specifically, in Western cultures, we have an annual ritual to celebrate the day we were born—the birthday party. Thus, although the biological mechanism of aging is continuous and invisible, it is marked by discrete yearly celebrations. We examine the proposal that, in part due to its salience as a cultural ritual, children interpret the birthday party as playing a causal role in the aging process. Results indicate that young children understand certain important biological aspects of the aging process but exhibit confusion regarding others, including the causal role of the annual birthday party.
Abstract: In two studies, we examined 99 3- to 5-year-old American children’s concepts of age, aging, and birthdays. Previous research has shown that preschool-age children understand that all living beings grow, and that growth is a biological process. Humans, however, are distinct from other living things in that we attach great significance to the aging process. Specifically, in Western cultures, we have an annual ritual to celebrate the day we were born—the birthday party. Thus, although the biological mechanism of aging is continuous and invisible, it is marked by discrete yearly celebrations. We examine the proposal that, in part due to its salience as a cultural ritual, children interpret the birthday party as playing a causal role in the aging process. Results indicate that young children understand certain important biological aspects of the aging process but exhibit confusion regarding others, including the causal role of the annual birthday party.
Looking at the past through a telescope: adults postdated their earliest childhood memories
Looking at the past through a telescope: adults postdated their earliest childhood memories. Qi Wang, Carole Peterson, Angel Khuu, Carissa P. Reid, Kayleigh L. Maxwell & Julia M. Vincent. Memory, https://doi.org/10.1080/09658211.2017.1414268
ABSTRACT: Our previous studies have consistently shown a telescoping error in children’s dating of earliest childhood memories. Preschool children through adolescents systematically date their earliest memories at older ages, in comparison with the age estimates provided by their parents or by themselves previously. In the current study, we examined the dating of earliest childhood memories in two samples of college adults and collected independent age estimates from their parents. Consistent with our findings with children, adults significantly postdated their earlier memories by approximately 12 months (Study 1) and 6 months (Study 2). The actual age of earliest memories was 2.5 years after adjusted for telescoping errors, 1 year earlier than what is commonly believed at 3.5 years. These findings challenge commonly held theoretical assumptions about childhood amnesia and highlight critical methodological issues in the study of childhood memory.
KEYWORDS: Childhood amnesia, postdating, earliest memory, memory age estimate, telescoping
Check also Peterson, C., Hallett, D. and Compton-Gillingham, C. (2017), Childhood Amnesia in Children: A Prospective Study Across Eight Years. Child Dev. http://www.bipartisanalliance.com/2017/10/childhood-amnesia-in-children-emotion.html
ABSTRACT: Our previous studies have consistently shown a telescoping error in children’s dating of earliest childhood memories. Preschool children through adolescents systematically date their earliest memories at older ages, in comparison with the age estimates provided by their parents or by themselves previously. In the current study, we examined the dating of earliest childhood memories in two samples of college adults and collected independent age estimates from their parents. Consistent with our findings with children, adults significantly postdated their earlier memories by approximately 12 months (Study 1) and 6 months (Study 2). The actual age of earliest memories was 2.5 years after adjusted for telescoping errors, 1 year earlier than what is commonly believed at 3.5 years. These findings challenge commonly held theoretical assumptions about childhood amnesia and highlight critical methodological issues in the study of childhood memory.
KEYWORDS: Childhood amnesia, postdating, earliest memory, memory age estimate, telescoping
Check also Peterson, C., Hallett, D. and Compton-Gillingham, C. (2017), Childhood Amnesia in Children: A Prospective Study Across Eight Years. Child Dev. http://www.bipartisanalliance.com/2017/10/childhood-amnesia-in-children-emotion.html
The False Belief in Fear Appeals: Ignoring Theory and Misinterpreting Evidence
Ignoring Theory and Misinterpreting Evidence: The False Belief in Fear Appeals. Gerjo Kok, Gjalt-Jorn Ygram Peters, Loes T. E. Kessels, Gill A. ten Hoor & Robert A. C. Ruiter. Health Psychology Review, https://doi.org/10.1080/17437199.2017.1415767
Abstract: Use of fear appeals assumes that when people are emotionally confronted with the negative effects of their behavior they will change that behavior. That reasoning is simple and intuitive, but only true under specific, rare circumstances. Risk-perception theories predict that if people will experience a threat, they want to counter that threat. However, how they do so is determined by their coping efficacy level: if efficacy is high, they may change their behavior in the suggested direction; if efficacy is low, they react defensively. Research on fear appeals should be methodologically sound, comparing a threatening to a non-threatening intervention under high and low efficacy levels, random assignment, and measuring behavior as outcome. We critically review extant empirical evidence and conclude that it does not support positive effects of fear appeals. Nonetheless, their use persists, and is even promoted by health psychology researchers, causing scientific insights to be ignored or misinterpreted.
Keywords: Fear appeals, graphic health warnings, threatening communication, Extended Parallel Process Model, review
Abstract: Use of fear appeals assumes that when people are emotionally confronted with the negative effects of their behavior they will change that behavior. That reasoning is simple and intuitive, but only true under specific, rare circumstances. Risk-perception theories predict that if people will experience a threat, they want to counter that threat. However, how they do so is determined by their coping efficacy level: if efficacy is high, they may change their behavior in the suggested direction; if efficacy is low, they react defensively. Research on fear appeals should be methodologically sound, comparing a threatening to a non-threatening intervention under high and low efficacy levels, random assignment, and measuring behavior as outcome. We critically review extant empirical evidence and conclude that it does not support positive effects of fear appeals. Nonetheless, their use persists, and is even promoted by health psychology researchers, causing scientific insights to be ignored or misinterpreted.
Keywords: Fear appeals, graphic health warnings, threatening communication, Extended Parallel Process Model, review
In male speech, either um or uh accounts for about one out of fifty words; for female speech it is only one out of seventy words
How We Talk: The Inner Workings of Conversation. N. J. Enfield. Basic Books, ISBN-13: 978-0465059942. https://www.amazon.com/How-We-Talk-Workings-Conversation/dp/0465059945
"In male speech, either um or uh accounts for about one out of fifty words; for female speech it is only one out of seventy words."
Check also What Shall We Talk about in Farsi? Content of Everyday Conversations in Iran. Mahdi Dahmardeh, R. I. M. Dunbar. Human Nature, http://www.bipartisanalliance.com/2017/08/content-of-everyday-conversations-in.html. Pay attention to the table there.
"In male speech, either um or uh accounts for about one out of fifty words; for female speech it is only one out of seventy words."
Check also What Shall We Talk about in Farsi? Content of Everyday Conversations in Iran. Mahdi Dahmardeh, R. I. M. Dunbar. Human Nature, http://www.bipartisanalliance.com/2017/08/content-of-everyday-conversations-in.html. Pay attention to the table there.
Cues of upper body strength account for most of the variance in men's bodily attractiveness
Cues of upper body strength account for most of the variance in men's bodily attractiveness. Aaron Sell, Aaron W. Lukazsweski, Michael Townsley. Proceedings of the Royal Society B, https://doi.org/10.1098/rspb.2017.1819
Abstract: Evolution equips sexually reproducing species with mate choice mechanisms that function to evaluate the reproductive consequences of mating with different individuals. Indeed, evolutionary psychologists have shown that women's mate choice mechanisms track many cues of men's genetic quality and ability to invest resources in the woman and her offspring. One variable that predicted both a man's genetic quality and his ability to invest is the man's formidability (i.e. fighting ability or resource holding power/potential). Modern women, therefore, should have mate choice mechanisms that respond to ancestral cues of a man's fighting ability. One crucial component of a man's ability to fight is his upper body strength. Here, we test how important physical strength is to men's bodily attractiveness. Three sets of photographs of men's bodies were shown to raters who estimated either their physical strength or their attractiveness. Estimates of physical strength determined over 70% of men's bodily attractiveness. Additional analyses showed that tallness and leanness were also favoured, and, along with estimates of physical strength, accounted for 80% of men's bodily attractiveness. Contrary to popular theories of men's physical attractiveness, there was no evidence of a nonlinear effect; the strongest men were the most attractive in all samples.
Abstract: Evolution equips sexually reproducing species with mate choice mechanisms that function to evaluate the reproductive consequences of mating with different individuals. Indeed, evolutionary psychologists have shown that women's mate choice mechanisms track many cues of men's genetic quality and ability to invest resources in the woman and her offspring. One variable that predicted both a man's genetic quality and his ability to invest is the man's formidability (i.e. fighting ability or resource holding power/potential). Modern women, therefore, should have mate choice mechanisms that respond to ancestral cues of a man's fighting ability. One crucial component of a man's ability to fight is his upper body strength. Here, we test how important physical strength is to men's bodily attractiveness. Three sets of photographs of men's bodies were shown to raters who estimated either their physical strength or their attractiveness. Estimates of physical strength determined over 70% of men's bodily attractiveness. Additional analyses showed that tallness and leanness were also favoured, and, along with estimates of physical strength, accounted for 80% of men's bodily attractiveness. Contrary to popular theories of men's physical attractiveness, there was no evidence of a nonlinear effect; the strongest men were the most attractive in all samples.
Tuesday, December 12, 2017
The feeling of beauty and the amplitude of pleasure are independent of stimulus duration
Beauty at a glance: The feeling of beauty and the amplitude of pleasure are independent of stimulus duration. Aenne A. Brielmann; Lauren Vale; Denis G. Pelli. Journal of Vision December 2017, Vol.17, 9. doi:10.1167/17.14.9 jov.arvojournals.org/article.aspx?articleid=2665844
Abstract: Over time, how does beauty develop and decay? Common sense suggests that beauty is intensely felt only after prolonged experience of the object. Here, we present one of various stimuli for a variable duration (1–30 s), measure the observers' pleasure over time, and, finally, ask whether they felt beauty. On each trial, participants (N = 21) either see an image that they had chosen as “movingly beautiful,” see an image with prerated valence, or suck a candy. During the stimulus and a further 60 s, participants rate pleasure continuously using a custom touchscreen web app, EmotionTracker.com. After each trial, participants judge whether they felt beauty. Across all stimulus kinds, durations, and beauty responses, the dynamic pleasure rating has a stereotypical time course that is well fit by a one-parameter model with a brief exponential onset (roughly 2.5 s), a sustained plateau during stimulus presentation, and a long exponential decay (roughly 70 s). Across conditions, only the plateau amplitude varies. Beauty and pleasure amplitude are nearly independent of stimulus duration. The final beauty rating is positively correlated with pleasure amplitude (r = 0.60), and nearly independent of duration (r = 0.10). Beauty's independence from duration is unlike Bentham's 18th-century notion of value (utility), which he supposed to depend on the product of pleasure amplitude and duration. Participants report having felt pleasure as strongly after a mere 1 s stimulus as after longer durations, up to 30 s. Thus, we find that amplitude of pleasure is independent of stimulus duration.
Abstract: Over time, how does beauty develop and decay? Common sense suggests that beauty is intensely felt only after prolonged experience of the object. Here, we present one of various stimuli for a variable duration (1–30 s), measure the observers' pleasure over time, and, finally, ask whether they felt beauty. On each trial, participants (N = 21) either see an image that they had chosen as “movingly beautiful,” see an image with prerated valence, or suck a candy. During the stimulus and a further 60 s, participants rate pleasure continuously using a custom touchscreen web app, EmotionTracker.com. After each trial, participants judge whether they felt beauty. Across all stimulus kinds, durations, and beauty responses, the dynamic pleasure rating has a stereotypical time course that is well fit by a one-parameter model with a brief exponential onset (roughly 2.5 s), a sustained plateau during stimulus presentation, and a long exponential decay (roughly 70 s). Across conditions, only the plateau amplitude varies. Beauty and pleasure amplitude are nearly independent of stimulus duration. The final beauty rating is positively correlated with pleasure amplitude (r = 0.60), and nearly independent of duration (r = 0.10). Beauty's independence from duration is unlike Bentham's 18th-century notion of value (utility), which he supposed to depend on the product of pleasure amplitude and duration. Participants report having felt pleasure as strongly after a mere 1 s stimulus as after longer durations, up to 30 s. Thus, we find that amplitude of pleasure is independent of stimulus duration.
Anti-Flynn effects -- What causes the secular declines in IQ? A Data Synthesis and Analysis of Predictors
Woodley of Menie, M. A., Peñaherrera-Aguirre, M., Fernandes, H. B. F., & Figueredo, A.-J. (2017). What Causes the Anti-Flynn Effect? A Data Synthesis and Analysis of Predictors. Evolutionary Behavioral Sciences, http://dx.doi.org/10.1037/ebs0000106
Abstract: Anti-Flynn effects (i.e., secular declines in IQ) have been noted in a few countries. Much speculation exists about the causes of these trends; however, little progress has been made toward comprehensively testing these. A synthetic literature search yielded a total of 66 observations of secular IQ decline from 13 countries, with a combined sample size of 302,234 and study midyears spanning 87 years, from 1920.5 to 2007.5. Multilevel modeling (MLM) was used to examine the effect of study midyear, and (after controlling for this and other factors) hierarchical general linear modeling (GLM) was used to examine the following sequence of predictors: domain “g-ness” (a rank-order measure of g saturation) Index of Biological State (IBS; a measure of relaxed/reversed selection operating on g), per capita immigration, and the 2-way interactions IBS × g-ness and Immigration × g-ness. The MLM revealed that the anti-Flynn effect has strengthened in more recent years. Net of this, the GLM found that g-ness was a positive predictor; that is, less aggregately g-loaded measures exhibited bigger IQ declines; IBS was not a significant predictor; however immigration predicted the decline, indicating that high levels of immigration promote the anti-Flynn effect. Among the interactions there was a negative effect of the Immigration × g-ness interaction, indicating that immigration promotes IQ decline the most when the measure is higher in g-ness. The model accounted for 37.1% of the variance among the observations.
Abstract: Anti-Flynn effects (i.e., secular declines in IQ) have been noted in a few countries. Much speculation exists about the causes of these trends; however, little progress has been made toward comprehensively testing these. A synthetic literature search yielded a total of 66 observations of secular IQ decline from 13 countries, with a combined sample size of 302,234 and study midyears spanning 87 years, from 1920.5 to 2007.5. Multilevel modeling (MLM) was used to examine the effect of study midyear, and (after controlling for this and other factors) hierarchical general linear modeling (GLM) was used to examine the following sequence of predictors: domain “g-ness” (a rank-order measure of g saturation) Index of Biological State (IBS; a measure of relaxed/reversed selection operating on g), per capita immigration, and the 2-way interactions IBS × g-ness and Immigration × g-ness. The MLM revealed that the anti-Flynn effect has strengthened in more recent years. Net of this, the GLM found that g-ness was a positive predictor; that is, less aggregately g-loaded measures exhibited bigger IQ declines; IBS was not a significant predictor; however immigration predicted the decline, indicating that high levels of immigration promote the anti-Flynn effect. Among the interactions there was a negative effect of the Immigration × g-ness interaction, indicating that immigration promotes IQ decline the most when the measure is higher in g-ness. The model accounted for 37.1% of the variance among the observations.
Social Origins of Inventors, Parental Education, IQ -- Data from Finland
The Social Origins of Inventors. Philippe Aghion, Ufuk Akcigit, Ari Hyytinen, Otto Toivanen. NBER Working Paper No. 24110. http://www.nber.org/papers/w24110
Abstract: In this paper we merge three datasets - individual income data, patenting data, and IQ data - to analyze the determinants of an individual's probability of inventing. We find that: (i) parental income matters even after controlling for other background variables and for IQ, yet the estimated impact of parental income is greatly diminished once parental education and the individual's IQ are controlled for; (ii) IQ has both a direct effect on the probability of inventing an indirect impact through education. The effect of IQ is larger for inventors than for medical doctors or lawyers. The impact of IQ is robust to controlling for unobserved family characteristics by focusing on potential inventors with brothers close in age. We also provide evidence on the importance of social family interactions, by looking at biological versus non-biological parents. Finally, we find a positive and significant interaction effect between IQ and father income, which suggests a misallocation of talents to innovation.
Abstract: In this paper we merge three datasets - individual income data, patenting data, and IQ data - to analyze the determinants of an individual's probability of inventing. We find that: (i) parental income matters even after controlling for other background variables and for IQ, yet the estimated impact of parental income is greatly diminished once parental education and the individual's IQ are controlled for; (ii) IQ has both a direct effect on the probability of inventing an indirect impact through education. The effect of IQ is larger for inventors than for medical doctors or lawyers. The impact of IQ is robust to controlling for unobserved family characteristics by focusing on potential inventors with brothers close in age. We also provide evidence on the importance of social family interactions, by looking at biological versus non-biological parents. Finally, we find a positive and significant interaction effect between IQ and father income, which suggests a misallocation of talents to innovation.
I like that you feel my pain, but I love that you feel my joy -- Empathy for a partner’s negative versus positive emotions independently affect relationship quality
I like that you feel my pain, but I love that you feel my joy -- Empathy for a partner’s negative versus positive emotions independently affect relationship quality. Michael R. Andreychik. Journal of Social and Personal Relationships, https://doi.org/10.1177/0265407517746518
Abstract: Given the myriad ways in which close relationships impact human well-being, it is important to understand the factors that contribute to healthy relationship functioning. One such factor is the extent to which partners empathize with each other’s emotional experiences. To date however, research examining empathy’s relevance for social relationships has focused overwhelmingly on empathy for others’ specifically negative emotions. Building on recent scholarship demonstrating the separability of empathy for others’ negative versus positive emotions, the present work argues that both of these empathic capacities contribute to relationship quality and that they do so via different pathways. A first study showed that whereas perceptions of a partner’s negative empathy and positive empathy were each independently associated with relationship quality, this association was substantially stronger for positive empathy. A second, experimental study demonstrated independent causal effects of negative empathy and positive empathy and showed that these effects were mediated by different mechanisms. These results suggest that although having a partner who empathizes with one’s negative emotions is good for relationships, having a partner who (also) empathizes with one’s positive emotions may carry even greater benefits.
Keywords: Close relationships, positive empathy, negative empathy, relationship science, social support
Abstract: Given the myriad ways in which close relationships impact human well-being, it is important to understand the factors that contribute to healthy relationship functioning. One such factor is the extent to which partners empathize with each other’s emotional experiences. To date however, research examining empathy’s relevance for social relationships has focused overwhelmingly on empathy for others’ specifically negative emotions. Building on recent scholarship demonstrating the separability of empathy for others’ negative versus positive emotions, the present work argues that both of these empathic capacities contribute to relationship quality and that they do so via different pathways. A first study showed that whereas perceptions of a partner’s negative empathy and positive empathy were each independently associated with relationship quality, this association was substantially stronger for positive empathy. A second, experimental study demonstrated independent causal effects of negative empathy and positive empathy and showed that these effects were mediated by different mechanisms. These results suggest that although having a partner who empathizes with one’s negative emotions is good for relationships, having a partner who (also) empathizes with one’s positive emotions may carry even greater benefits.
Keywords: Close relationships, positive empathy, negative empathy, relationship science, social support
Explicit Sexual Movie Viewing in the United States According to Selected Marriage and Lifestyle, Work and Financial, Religion and Political Factors
Explicit Sexual Movie Viewing in the United States According to Selected Marriage and Lifestyle, Work and Financial, Religion and Political Factors. Aaron M. Frutos, Ray M. Merrill. Sexuality & Culture. Volume 21, Issue 4, pp 1062–1082. https://link.springer.com/article/10.1007/s12119-017-9438-6
Abstract: The purpose of the current study was to evaluate explicit sexual movie use among men and women in the United States according to relationship, lifestyle, work, financial, religious, and political factors. Analyses involved 11,372 adults who responded to questions about demographics and explicitly sexual movie use in the General Social Survey (GSS) from 2000 to 2014. Viewing of an explicit sexual movie in the previous year was significantly greater in men than women (35 vs. 16%); Blacks than Whites (33 vs. 22%); and never married (41 vs. 18% married, 31% separated, and 24% divorced). It also decreased with older age, higher education, and more children in the household. After model adjustment for these variables, viewing an explicit sexual movie was associated with a number of relationship, lifestyle, financial, religious, political, and other variables. For example, viewing such movies was related to less happiness in marriage, multiple sex partners in past year, less satisfaction with one’s financial situation, no religious preference, and a more liberal political orientation. The effect of some variables on pornography viewing differed between men and women. For example, out of men and women who consider themselves to be “not spiritual”, men were more likely to view pornography than women. Explicit sexual movie viewing is associated with factors from diverse domains, including poorer relationship quality, more liberal sexual views and practices, poorer economic conditions, lower religious orientation or commitment, and more liberal political views.
Abstract: The purpose of the current study was to evaluate explicit sexual movie use among men and women in the United States according to relationship, lifestyle, work, financial, religious, and political factors. Analyses involved 11,372 adults who responded to questions about demographics and explicitly sexual movie use in the General Social Survey (GSS) from 2000 to 2014. Viewing of an explicit sexual movie in the previous year was significantly greater in men than women (35 vs. 16%); Blacks than Whites (33 vs. 22%); and never married (41 vs. 18% married, 31% separated, and 24% divorced). It also decreased with older age, higher education, and more children in the household. After model adjustment for these variables, viewing an explicit sexual movie was associated with a number of relationship, lifestyle, financial, religious, political, and other variables. For example, viewing such movies was related to less happiness in marriage, multiple sex partners in past year, less satisfaction with one’s financial situation, no religious preference, and a more liberal political orientation. The effect of some variables on pornography viewing differed between men and women. For example, out of men and women who consider themselves to be “not spiritual”, men were more likely to view pornography than women. Explicit sexual movie viewing is associated with factors from diverse domains, including poorer relationship quality, more liberal sexual views and practices, poorer economic conditions, lower religious orientation or commitment, and more liberal political views.
Homosexual orientation seems associated with a less pronounced sexual differentiation of brain white matter tracts & a less pronounced functional connectivity of the self-referential networks
Manzouri A, Savic I. Cerebral sex dimorphism and sexual orientation. Hum Brain Mapp. 2017;00:1–12. https://doi.org/10.1002/hbm.23908
Abstract: The neurobiology of sexual orientation is frequently discussed in terms of cerebral sex dimorphism (defining both functional and structural sex differences). Yet, the information about possible cerebral differences between sex-matched homo and heterosexual persons is limited, particularly among women. In this multimodal MRI study, we addressed these issues by investigating possible cerebral differences between homo and heterosexual persons, and by asking whether there is any sex difference in this aspect. Measurements of cortical thickness (Cth), subcortical volumes, and functional and structural resting-state connections among 40 heterosexual males (HeM) and 40 heterosexual females (HeF) were compared with those of 30 homosexual males (HoM) and 30 homosexual females (HoF). Congruent with previous reports, sex differences were detected in heterosexual controls with regard to fractional anisotropy (FA), Cth, and several subcortical volumes. Homosexual groups did not display any sex differences in FA values. Furthermore, their functional connectivity was significantly less pronounced in the mesial prefrontal and precuneus regions. In these two particular regions, HoM also displayed thicker cerebral cortex than other groups, whereas HoF did not differ from HeF. In addition, in HoM the parietal Cth showed “sex-reversed” values, not observed in HoF. Homosexual orientation seems associated with a less pronounced sexual differentiation of white matter tracts and a less pronounced functional connectivity of the self-referential networks compared to heterosexual orientation. Analyses of Cth suggest that male and female homosexuality are not simple analogues of each other and that differences from heterosexual controls are more pronounced in HoM.
Abstract: The neurobiology of sexual orientation is frequently discussed in terms of cerebral sex dimorphism (defining both functional and structural sex differences). Yet, the information about possible cerebral differences between sex-matched homo and heterosexual persons is limited, particularly among women. In this multimodal MRI study, we addressed these issues by investigating possible cerebral differences between homo and heterosexual persons, and by asking whether there is any sex difference in this aspect. Measurements of cortical thickness (Cth), subcortical volumes, and functional and structural resting-state connections among 40 heterosexual males (HeM) and 40 heterosexual females (HeF) were compared with those of 30 homosexual males (HoM) and 30 homosexual females (HoF). Congruent with previous reports, sex differences were detected in heterosexual controls with regard to fractional anisotropy (FA), Cth, and several subcortical volumes. Homosexual groups did not display any sex differences in FA values. Furthermore, their functional connectivity was significantly less pronounced in the mesial prefrontal and precuneus regions. In these two particular regions, HoM also displayed thicker cerebral cortex than other groups, whereas HoF did not differ from HeF. In addition, in HoM the parietal Cth showed “sex-reversed” values, not observed in HoF. Homosexual orientation seems associated with a less pronounced sexual differentiation of white matter tracts and a less pronounced functional connectivity of the self-referential networks compared to heterosexual orientation. Analyses of Cth suggest that male and female homosexuality are not simple analogues of each other and that differences from heterosexual controls are more pronounced in HoM.
There Is No Empirical Evidence for Critical Positivity Ratios: Comment on Fredrickson (2013)
There Is No Empirical Evidence for Critical Positivity Ratios: Comment on Fredrickson (2013). Carol A. Nickerson. Journal of Humanistic Psychology, https://doi.org/10.1177/0022167817740468
Abstract: Fredrickson and Losada (American Psychologist, 2005, 60, 678-686) theorized that a ratio of positive affect to negative affect (positivity ratio) of 2.9013 acts as a critical minimum for well-being. Recently, Brown, Sokal, and Friedman (American Psychologist, 2013, 68, 801-813) convincingly demonstrated that the mathematical work underlying this critical minimum positivity ratio was both flawed and misapplied. This comment addresses Fredrickson’s (American Psychologist, 2013, 68, 814-822) insistence that, regardless of the incorrect mathematical work, substantial empirical evidence exists both for critical minimum and maximum positivity ratios and, more generally, for a (unspecified) nonlinear relation between the positivity ratio and well-being, by first noting that there was a mismatch between Fredrickson and Losada’s (2005) theory and the data used to test it, then describing the methodological and statistical problems of Fredrickson and Losada’s empirical study (2005), and, finally, examining the other studies that Fredrickson (2013) cited as empirical evidence.
Abstract: Fredrickson and Losada (American Psychologist, 2005, 60, 678-686) theorized that a ratio of positive affect to negative affect (positivity ratio) of 2.9013 acts as a critical minimum for well-being. Recently, Brown, Sokal, and Friedman (American Psychologist, 2013, 68, 801-813) convincingly demonstrated that the mathematical work underlying this critical minimum positivity ratio was both flawed and misapplied. This comment addresses Fredrickson’s (American Psychologist, 2013, 68, 814-822) insistence that, regardless of the incorrect mathematical work, substantial empirical evidence exists both for critical minimum and maximum positivity ratios and, more generally, for a (unspecified) nonlinear relation between the positivity ratio and well-being, by first noting that there was a mismatch between Fredrickson and Losada’s (2005) theory and the data used to test it, then describing the methodological and statistical problems of Fredrickson and Losada’s empirical study (2005), and, finally, examining the other studies that Fredrickson (2013) cited as empirical evidence.
Strong evidence that for a number of issue areas, women are more supportive of an activist government than men of the same party
Lizotte, M.-K. (2017), Gender, Partisanship, and Issue Gaps. Analyses of Social Issues and Public Policy. doi:10.1111/asap.12144
Abstract: A defining feature of American politics, including party identification, is the question of the proper role of government. Partisanship is a prevailing way that individuals organize their attitudes. Democrats should take the Democratic Party's positions, and Republicans should take the Republican Party's positions. Instead, people have conflicting considerations that shape their opinions. Given that gender is integral in structuring individuals’ positions in society, it is reasonable to expect that gender differences might produce intraparty differences. This article establishes a gender gap in scope of government that transcends partisanship. Using the cumulative American National Election Study Data 1994–2008, I find strong evidence that for a number of issue areas, women are more supportive of an activist government than men of the same party. Preferences regarding the scope of government provide a coherent explanation for these observed gaps.
Abstract: A defining feature of American politics, including party identification, is the question of the proper role of government. Partisanship is a prevailing way that individuals organize their attitudes. Democrats should take the Democratic Party's positions, and Republicans should take the Republican Party's positions. Instead, people have conflicting considerations that shape their opinions. Given that gender is integral in structuring individuals’ positions in society, it is reasonable to expect that gender differences might produce intraparty differences. This article establishes a gender gap in scope of government that transcends partisanship. Using the cumulative American National Election Study Data 1994–2008, I find strong evidence that for a number of issue areas, women are more supportive of an activist government than men of the same party. Preferences regarding the scope of government provide a coherent explanation for these observed gaps.
First quantitative study of heterospecific sexual behavior between macaques and a non-primate species (sika deer)
Deer Mates: A Quantitative Study of Heterospecific Sexual Behaviors Performed by Japanese Macaques Toward Sika Deer. Noëlle Gunst, Paul L. Vasey, Jean-Baptiste Leca. https://link.springer.com/article/10.1007/s10508-017-1129-8
Abstract: This is the first quantitative study of heterospecific sexual behavior between a non-human primate and a non-primate species. We observed multiple occurrences of free-ranging adolescent female Japanese macaques (Macaca fuscata) performing mounts and sexual solicitations toward sika deer (Cervus nippon) at Minoo, central Japan. Our comparative description of monkey-deer versus monkey-monkey interactions supported the “heterospecific sexual behavior” hypothesis: the mounts and demonstrative solicitations performed by adolescent female Japanese macaques toward sika deer were sexual in nature. In line with our previous research on the development of homospecific sexual behavior in immature female Japanese macaques, this study will allow us to test other hypotheses in the future, such as the “practice for homospecific sex,” the “safe sex,” the “homospecific sex deprivation,” the “developmental by-product,” and the “cultural heterospecific sex” hypotheses. Further research will be necessary to ascertain whether this group-specific sexual behavior was a short-lived fad or an incipient cultural phenomenon and may also contribute to better understanding the proximate and ultimate causes of reproductive interference.
Abstract: This is the first quantitative study of heterospecific sexual behavior between a non-human primate and a non-primate species. We observed multiple occurrences of free-ranging adolescent female Japanese macaques (Macaca fuscata) performing mounts and sexual solicitations toward sika deer (Cervus nippon) at Minoo, central Japan. Our comparative description of monkey-deer versus monkey-monkey interactions supported the “heterospecific sexual behavior” hypothesis: the mounts and demonstrative solicitations performed by adolescent female Japanese macaques toward sika deer were sexual in nature. In line with our previous research on the development of homospecific sexual behavior in immature female Japanese macaques, this study will allow us to test other hypotheses in the future, such as the “practice for homospecific sex,” the “safe sex,” the “homospecific sex deprivation,” the “developmental by-product,” and the “cultural heterospecific sex” hypotheses. Further research will be necessary to ascertain whether this group-specific sexual behavior was a short-lived fad or an incipient cultural phenomenon and may also contribute to better understanding the proximate and ultimate causes of reproductive interference.
Education is Related to Greater Ideological Prejudice
P J Henry, Jaime L Napier; Education is Related to Greater Ideological Prejudice, Public Opinion Quarterly, , nfx038, https://doi.org/10.1093/poq/nfx038
Abstract: Decades of research have shown that education reduces individuals’ prejudices toward people who belong to different groups, but this research has focused predominantly on prejudice toward ethnic/racial groups, immigrant groups, and general nonconformists. However, it is not clear whether education reduces other prejudices against groups along different dimensions, including ideological identification. An analysis of American National Election Studies data from 1964 to 2012 shows that education is related to decreases in interethnic/interracial prejudice, but also to increases in ideological (liberal vs. conservative) prejudice. This finding could not be explained simply by the greater polarization of the American electorate in the past twenty years. The results require rethinking how and why education is associated with reduced prejudice for certain groups but not others.
Abstract: Decades of research have shown that education reduces individuals’ prejudices toward people who belong to different groups, but this research has focused predominantly on prejudice toward ethnic/racial groups, immigrant groups, and general nonconformists. However, it is not clear whether education reduces other prejudices against groups along different dimensions, including ideological identification. An analysis of American National Election Studies data from 1964 to 2012 shows that education is related to decreases in interethnic/interracial prejudice, but also to increases in ideological (liberal vs. conservative) prejudice. This finding could not be explained simply by the greater polarization of the American electorate in the past twenty years. The results require rethinking how and why education is associated with reduced prejudice for certain groups but not others.
Monday, December 11, 2017
Women's preferences for men's beards show no relation to their ovarian cycle phase and sex hormone levels
Women's preferences for men's beards show no relation to their ovarian cycle phase and sex hormone levels. Barnaby J.W. Dixson et al. Hormones and Behavior, Volume 97, January 2018, Pages 137–144. https://doi.org/10.1016/j.yhbeh.2017.11.006
Highlights
• The first study testing whether hormonal variation among women is associated with preferences for men's beardedness
• Results showed that preferences did not change over the menstrual cycle.
• Preferences were also unrelated to changes in estradiol and progesterone over the menstrual cycle.
• Our results suggest that women's preferences for men's beardedness may not change with fecundability.
Abstract: According to the ovulatory shift hypothesis, women's mate preferences for male morphology indicative of competitive ability, social dominance, and/or underlying health are strongest at the peri-ovulatory phase of the menstrual cycle. However, recent meta-analyses are divided on the robustness of such effects and the validity of the often-used indirect estimates of fertility and ovulation has been called into question in methodological studies. In the current study, we test whether women's preferences for men's beardedness, a cue of male sexual maturity, androgenic development and social dominance, are stronger at the peri-ovulatory phase of the menstrual cycle compared to during the early follicular or the luteal phase. We also tested whether levels of estradiol, progesterone, and the estradiol to progesterone ratio at each phase were associated with facial hair preferences. Fifty-two heterosexual women completed a two-alternative forced choice preference test for clean-shaven and bearded male faces during the follicular, peri-ovulatory (validated by the surge in luteinizing hormone or the drop in estradiol levels) and luteal phases. Participants also provided for one entire menstrual cycle daily saliva samples for subsequent assaying of estradiol and progesterone. Results showed an overall preference for bearded over clean-shaven faces at each phase of the menstrual cycle. However, preferences for facial hair were not significantly different over the phases of menstrual cycle and were not significantly associated with levels of reproductive hormones. We conclude that women's preferences for men's beardedness may not be related to changes in their likelihood of conception.
Keywords: Facial attractiveness; Menstrual cycle; Facial hair; Sexual selection
Highlights
• The first study testing whether hormonal variation among women is associated with preferences for men's beardedness
• Results showed that preferences did not change over the menstrual cycle.
• Preferences were also unrelated to changes in estradiol and progesterone over the menstrual cycle.
• Our results suggest that women's preferences for men's beardedness may not change with fecundability.
Abstract: According to the ovulatory shift hypothesis, women's mate preferences for male morphology indicative of competitive ability, social dominance, and/or underlying health are strongest at the peri-ovulatory phase of the menstrual cycle. However, recent meta-analyses are divided on the robustness of such effects and the validity of the often-used indirect estimates of fertility and ovulation has been called into question in methodological studies. In the current study, we test whether women's preferences for men's beardedness, a cue of male sexual maturity, androgenic development and social dominance, are stronger at the peri-ovulatory phase of the menstrual cycle compared to during the early follicular or the luteal phase. We also tested whether levels of estradiol, progesterone, and the estradiol to progesterone ratio at each phase were associated with facial hair preferences. Fifty-two heterosexual women completed a two-alternative forced choice preference test for clean-shaven and bearded male faces during the follicular, peri-ovulatory (validated by the surge in luteinizing hormone or the drop in estradiol levels) and luteal phases. Participants also provided for one entire menstrual cycle daily saliva samples for subsequent assaying of estradiol and progesterone. Results showed an overall preference for bearded over clean-shaven faces at each phase of the menstrual cycle. However, preferences for facial hair were not significantly different over the phases of menstrual cycle and were not significantly associated with levels of reproductive hormones. We conclude that women's preferences for men's beardedness may not be related to changes in their likelihood of conception.
Keywords: Facial attractiveness; Menstrual cycle; Facial hair; Sexual selection
Neurobiology of Gender Identity and Sexual Orientation
Roselli, C. E. (), Neurobiology of Gender Identity and Sexual Orientation. J Neuroendocrinol, e12562. Accepted Author Manuscript. doi:10.1111/jne.12562
Abstract: Sexual identity and sexual orientation are independent components of a person's sexual identity. These dimensions are most often in harmony with each other and with an individual's genital sex, but not always. This review discusses the relationship of sexual identity and sexual orientation to prenatal factors that act to shape the development of the brain and the expression of sexual behaviors in animals and humans. One major influence discussed relates to organizational effects that the early hormone environment exerts on both gender identity and sexual orientation. Evidence that gender identity and sexual orientation are masculinized by prenatal exposure to testosterone and feminized in it absence is drawn from basic research in animals, correlations of biometric indices of androgen exposure and studies of clinical conditions associated with disorders in sexual development. There are, however, important exceptions to this theory that have yet to be resolved. Family and twin studies indicate that genes play a role, but no specific candidate genes have been identified. Evidence that relates to the number of older brothers implicates maternal immune responses as a contributing factor for male sexual orientation. It remains speculative how these influences might relate to each other and interact with postnatal socialization. Nonetheless, despite the many challenges to research in this area, existing empirical evidence makes it clear that there is a significant biological contribution to the development of an individual's sexual identity and sexual orientation.
Abstract: Sexual identity and sexual orientation are independent components of a person's sexual identity. These dimensions are most often in harmony with each other and with an individual's genital sex, but not always. This review discusses the relationship of sexual identity and sexual orientation to prenatal factors that act to shape the development of the brain and the expression of sexual behaviors in animals and humans. One major influence discussed relates to organizational effects that the early hormone environment exerts on both gender identity and sexual orientation. Evidence that gender identity and sexual orientation are masculinized by prenatal exposure to testosterone and feminized in it absence is drawn from basic research in animals, correlations of biometric indices of androgen exposure and studies of clinical conditions associated with disorders in sexual development. There are, however, important exceptions to this theory that have yet to be resolved. Family and twin studies indicate that genes play a role, but no specific candidate genes have been identified. Evidence that relates to the number of older brothers implicates maternal immune responses as a contributing factor for male sexual orientation. It remains speculative how these influences might relate to each other and interact with postnatal socialization. Nonetheless, despite the many challenges to research in this area, existing empirical evidence makes it clear that there is a significant biological contribution to the development of an individual's sexual identity and sexual orientation.
Hot or not? How self-view threat influences avoidance of attractiveness feedback
Hot or not? How self-view threat influences avoidance of attractiveness feedback. Jennifer L. Howell, Kate Sweeny, Wendi Miller & James A. Shepperd. Self and Identity, https://doi.org/10.1080/15298868.2017.1401552
Abstract: In two studies, we examined whether people’s decision to receive evaluations of their own attractiveness depended on whether the evaluations came from sources that might threaten their self-views. Participants believed that evaluators rated their attractiveness based on a photograph taken earlier and ostensibly uploaded to a website. Participants then received the opportunity to view the attractiveness ratings from the evaluators. In both studies, and in a meta-analysis including two pilot studies that are reported in Supplemental Materials online, participants – particularly women – rated feedback as more threatening and avoided receiving feedback more when the ratings came from high-threat evaluators (university peers) than from low-threat evaluators (students at another university, older adults, or children). The robustness of this overall effect was confirmed in the meta-analysis. These results suggest that self-view threat can prompt information avoidance.
Keywords: Information avoidance, self-view threat, attractiveness
Abstract: In two studies, we examined whether people’s decision to receive evaluations of their own attractiveness depended on whether the evaluations came from sources that might threaten their self-views. Participants believed that evaluators rated their attractiveness based on a photograph taken earlier and ostensibly uploaded to a website. Participants then received the opportunity to view the attractiveness ratings from the evaluators. In both studies, and in a meta-analysis including two pilot studies that are reported in Supplemental Materials online, participants – particularly women – rated feedback as more threatening and avoided receiving feedback more when the ratings came from high-threat evaluators (university peers) than from low-threat evaluators (students at another university, older adults, or children). The robustness of this overall effect was confirmed in the meta-analysis. These results suggest that self-view threat can prompt information avoidance.
Keywords: Information avoidance, self-view threat, attractiveness
On the Dynamics of Ideological Identification: The Puzzle of Liberal Identification Decline
On the Dynamics of Ideological Identification: The Puzzle of Liberal Identification Decline. Elizabeth Coggins and James A. Stimson. Political Science Research and Methods, https://doi.org/10.1017/psrm.2017.38
Abstract: Our focus is a puzzle: that ideological identification as “liberal” is in serious decline in the United States, but at the same time support for liberal policies and for the political party of liberalism is not. We aim to understand this divorce in “liberal” in name and “liberal” in policy by investigating how particular symbols rise and fall as associations with the ideological labels “liberal” and “conservative.” We produce three kinds of evidence to shed light on this macro-level puzzle. First, we explore the words associated with “liberal” and “conservative” over time. Then we take up a group conception by examining the changing correlations between affect toward “liberals” and affect toward other groups. Finally, we consider the changing policy correlates of identification.
Abstract: Our focus is a puzzle: that ideological identification as “liberal” is in serious decline in the United States, but at the same time support for liberal policies and for the political party of liberalism is not. We aim to understand this divorce in “liberal” in name and “liberal” in policy by investigating how particular symbols rise and fall as associations with the ideological labels “liberal” and “conservative.” We produce three kinds of evidence to shed light on this macro-level puzzle. First, we explore the words associated with “liberal” and “conservative” over time. Then we take up a group conception by examining the changing correlations between affect toward “liberals” and affect toward other groups. Finally, we consider the changing policy correlates of identification.
How Culture Affects Depression: Insight into culture's multifaceted influence on depression
How Culture Affects Depression: Insight into culture's multifaceted influence on depression. Marianna Pogosyan, Psychology Today, Dec 06, 2017
https://www.psychologytoday.com/blog/between-cultures/201712/how-culture-affects-depression
"All happy families are alike, each unhappy family is unhappy in its own way," Leo Tolstoy.
Poets and philosophers have long mused about the universal and idiosyncratic signature of our emotions. The human family shares a similar biology. Yet, culture leaves an undeniable imprint on our emotional narratives, including the way we feel and think of distress, how it manifests and how we cope with it. In her cross-cultural research on depression, psychologist Yulia Chentsova-Dutton likens depression’s constellations of symptoms to the starry sky. It’s the same universal experience of suffering, the same black vastness above our heads dotted with bright and dim lights. However, when we look at the night sky, as with the expression of depression around the world, we might notice some stars and miss others depending on where we are.
Here is Dr. Chentsova-Dutton in her own words on culture’s multifaceted influence on depression:
What are some causes of depression across cultures?
Many of the risk factors for depression are similar across cultures. These include gender, unemployment, traumatic events. The themes of depression tend to revolve around loss. But what people make of their losses and how they interpret their distress differs tremendously across cultures. In the West, we have increasingly pathologized depression and attributed it to biomedical factors. We tend to think that distancing people from their distress can be a functional way of helping them. However, teaching people that this very complex social, cultural, and biological phenomenon is entirely biological can backfire. It encourages people to ignore environmental factors, and instead, essentialize depression as a characteristic of themselves and their biology.
How does the meaning of depression vary around the world?
The meaning that people assign to suffering varies richly across cultures. Buddhism approaches suffering as an essential characteristic of life. We are mindful of it, yet, we don't try to chase it away. In Eastern European Orthodox Christianity and traditional Catholic contexts, there are two religious perspectives on suffering. On one hand, excessive suffering that blocks your goals is thought to be a sin. Simultaneously, suffering that allows you to stay engaged in your life is thought to bring you closer to God. It’s almost like broadcasting your suffering highlights you as a more complex and virtuous human being in other people’s eyes. Moreover, in India and Ecuador suffering can be interpreted as a rift in social networks that requires mending.
Should there be culture-specific approaches to depression?
We have evidence that public education efforts to teach people in non-western countries how to be properly depressed western-style result in changes in how people think about their distress. In Japan, for example, pharmaceutical companies once engaged in a systematic campaign to train people to recognize both major and minor depression as problems (“a cold of the soul”). I can imagine if somebody is suffering and finally there is a label, they might get treatment, which would be a positive outcome. I can also imagine people who have formerly obtained support and would have done well through the use of social networks and traditional mood regulation, are now thinking of themselves as sick. The older immigrants have a lot of cultural wisdom. Why do we assume that our knowledge is best for them, instead of learning from them and understanding how they cope? It’s a major direction for research for the next decades.
Are there genetic vulnerabilities for depression across cultures?
Genetic vulnerability differs substantially from country to country. East Asian contexts, for example, show a high prevalence of genes associated with depression. Yet, despite these vulnerabilities, they develop fewer cases of the disorder. One hypothesis is that genetic vulnerabilities have co-evolved with culture, creating extra protective factors (in this case, extra interdependence). However, when these people leave their cultural contexts, they have a higher risk of developing depression.
What factors protect against depression?
Social stability and functional relationships are big protective factors against depression. East Asian contexts promote stable social networks. For example, most adults in Japan are still in frequent contact with someone they have known since childhood. In countries like the U.S., that’s rarer because of high mobility levels. (Of course, it depends on the quality of the relationships: if you are stuck with people who create tensions for you, it can be problematic.) Another leading hypothesis is that some cultures reinforce ways of regulating emotions that may be more functional than others. Finally, by virtue of prioritizing emotions and personal happiness, in contexts like the U.S., we are creating a discrepancy between how we feel and how we are supposed to feel. This can lead to additional problems.
What is the role of emotion regulation?
Emotion regulation is increasingly becoming understood as a core factor in all affective disorders. In western societies, we don't see enough adaptive strategies like reappraisal: learning to tell yourself a different story that would eventually lead to different emotions. There is also not enough social regulation of emotion, which occurs by sharing our emotions with others. Research shows that cultures can facilitate functional regulation strategies. For example, Igor Grossmann’s work shows that Russians make rumination (generally considered a dysfunctional strategy) more functional by encouraging people to ruminate about the self from another person’s perspective, making rumination almost reappraisal-like in its quality.
How do symptoms of depression differ across cultures?
Best studied differences in expression of depression are whether symptoms are primarily experienced in the body, or as disorders of emotions and cognitions. In the U.S., we officially look for both, with an emphasis on affective features; you can’t be diagnosed with depression unless you have either depressed mood or anhedonia (lack of pleasure). On the other hand, research based on Chinese samples shows that people there are more likely to experience and express depression as bodily symptoms: the person is tired and not sleeping, they don't have energy and aren’t concentrating well. Historically, it’s the diagnosis of neurasthenia (weakness of the nerves), which migrated to China from Europe via the Soviet Union. Essentially, it’s major depression without the affective features.
How is depression assessed across cultures?
People don't seek help in the same manner, and help is not available in the same way. Moreover, the extent to which symptoms are recognized as pathology vs. an unpleasant but normative characteristic of life might differ. Assessment is a challenge in part because many of our assessment tools are based on the western set of criteria. Because of commonalities, we might catch some symptoms, but we might also miss presentations of the disorder that look different. We have started to develop tools that incorporate locally meaningful symptoms.
How do treatment methods differ across cultures?
Pharmaceutically, we know that prescriptions and doses need to be altered based on various factors, including ethnicity. There is accumulating data showing that some approaches that are effective in the U.S. (e.g., cognitive-behavioral therapy) are also looking promising in other cultures. Similarly, mindfulness approaches from the East have been found to be effective in western samples. We have this idea of therapy as individual-based, yet we know from research that having somebody next to you, even if you don't discuss your problems, is regulatory. Thus, approaches that make use of social ties have a lot of promise, particularly outside highly individualistic contexts. I’m hoping that this gap in clinical science will get increasingly filled and we will enrich our toolset of approaches for treating depression.
Many thanks to Yulia Chentsova-Dutton for being generous with her time and insights. Dr. Chentsova-Dutton is an Associate Professor of Psychology at Georgetown University and the head of the Culture and Emotions lab.
Marianna Pogosyan, Ph.D., is an intercultural consultant specializing in the psychology of cross-cultural transitions.
https://www.psychologytoday.com/blog/between-cultures/201712/how-culture-affects-depression
"All happy families are alike, each unhappy family is unhappy in its own way," Leo Tolstoy.
Poets and philosophers have long mused about the universal and idiosyncratic signature of our emotions. The human family shares a similar biology. Yet, culture leaves an undeniable imprint on our emotional narratives, including the way we feel and think of distress, how it manifests and how we cope with it. In her cross-cultural research on depression, psychologist Yulia Chentsova-Dutton likens depression’s constellations of symptoms to the starry sky. It’s the same universal experience of suffering, the same black vastness above our heads dotted with bright and dim lights. However, when we look at the night sky, as with the expression of depression around the world, we might notice some stars and miss others depending on where we are.
Here is Dr. Chentsova-Dutton in her own words on culture’s multifaceted influence on depression:
What are some causes of depression across cultures?
Many of the risk factors for depression are similar across cultures. These include gender, unemployment, traumatic events. The themes of depression tend to revolve around loss. But what people make of their losses and how they interpret their distress differs tremendously across cultures. In the West, we have increasingly pathologized depression and attributed it to biomedical factors. We tend to think that distancing people from their distress can be a functional way of helping them. However, teaching people that this very complex social, cultural, and biological phenomenon is entirely biological can backfire. It encourages people to ignore environmental factors, and instead, essentialize depression as a characteristic of themselves and their biology.
How does the meaning of depression vary around the world?
The meaning that people assign to suffering varies richly across cultures. Buddhism approaches suffering as an essential characteristic of life. We are mindful of it, yet, we don't try to chase it away. In Eastern European Orthodox Christianity and traditional Catholic contexts, there are two religious perspectives on suffering. On one hand, excessive suffering that blocks your goals is thought to be a sin. Simultaneously, suffering that allows you to stay engaged in your life is thought to bring you closer to God. It’s almost like broadcasting your suffering highlights you as a more complex and virtuous human being in other people’s eyes. Moreover, in India and Ecuador suffering can be interpreted as a rift in social networks that requires mending.
Should there be culture-specific approaches to depression?
We have evidence that public education efforts to teach people in non-western countries how to be properly depressed western-style result in changes in how people think about their distress. In Japan, for example, pharmaceutical companies once engaged in a systematic campaign to train people to recognize both major and minor depression as problems (“a cold of the soul”). I can imagine if somebody is suffering and finally there is a label, they might get treatment, which would be a positive outcome. I can also imagine people who have formerly obtained support and would have done well through the use of social networks and traditional mood regulation, are now thinking of themselves as sick. The older immigrants have a lot of cultural wisdom. Why do we assume that our knowledge is best for them, instead of learning from them and understanding how they cope? It’s a major direction for research for the next decades.
Are there genetic vulnerabilities for depression across cultures?
Genetic vulnerability differs substantially from country to country. East Asian contexts, for example, show a high prevalence of genes associated with depression. Yet, despite these vulnerabilities, they develop fewer cases of the disorder. One hypothesis is that genetic vulnerabilities have co-evolved with culture, creating extra protective factors (in this case, extra interdependence). However, when these people leave their cultural contexts, they have a higher risk of developing depression.
What factors protect against depression?
Social stability and functional relationships are big protective factors against depression. East Asian contexts promote stable social networks. For example, most adults in Japan are still in frequent contact with someone they have known since childhood. In countries like the U.S., that’s rarer because of high mobility levels. (Of course, it depends on the quality of the relationships: if you are stuck with people who create tensions for you, it can be problematic.) Another leading hypothesis is that some cultures reinforce ways of regulating emotions that may be more functional than others. Finally, by virtue of prioritizing emotions and personal happiness, in contexts like the U.S., we are creating a discrepancy between how we feel and how we are supposed to feel. This can lead to additional problems.
What is the role of emotion regulation?
Emotion regulation is increasingly becoming understood as a core factor in all affective disorders. In western societies, we don't see enough adaptive strategies like reappraisal: learning to tell yourself a different story that would eventually lead to different emotions. There is also not enough social regulation of emotion, which occurs by sharing our emotions with others. Research shows that cultures can facilitate functional regulation strategies. For example, Igor Grossmann’s work shows that Russians make rumination (generally considered a dysfunctional strategy) more functional by encouraging people to ruminate about the self from another person’s perspective, making rumination almost reappraisal-like in its quality.
How do symptoms of depression differ across cultures?
Best studied differences in expression of depression are whether symptoms are primarily experienced in the body, or as disorders of emotions and cognitions. In the U.S., we officially look for both, with an emphasis on affective features; you can’t be diagnosed with depression unless you have either depressed mood or anhedonia (lack of pleasure). On the other hand, research based on Chinese samples shows that people there are more likely to experience and express depression as bodily symptoms: the person is tired and not sleeping, they don't have energy and aren’t concentrating well. Historically, it’s the diagnosis of neurasthenia (weakness of the nerves), which migrated to China from Europe via the Soviet Union. Essentially, it’s major depression without the affective features.
How is depression assessed across cultures?
People don't seek help in the same manner, and help is not available in the same way. Moreover, the extent to which symptoms are recognized as pathology vs. an unpleasant but normative characteristic of life might differ. Assessment is a challenge in part because many of our assessment tools are based on the western set of criteria. Because of commonalities, we might catch some symptoms, but we might also miss presentations of the disorder that look different. We have started to develop tools that incorporate locally meaningful symptoms.
How do treatment methods differ across cultures?
Pharmaceutically, we know that prescriptions and doses need to be altered based on various factors, including ethnicity. There is accumulating data showing that some approaches that are effective in the U.S. (e.g., cognitive-behavioral therapy) are also looking promising in other cultures. Similarly, mindfulness approaches from the East have been found to be effective in western samples. We have this idea of therapy as individual-based, yet we know from research that having somebody next to you, even if you don't discuss your problems, is regulatory. Thus, approaches that make use of social ties have a lot of promise, particularly outside highly individualistic contexts. I’m hoping that this gap in clinical science will get increasingly filled and we will enrich our toolset of approaches for treating depression.
Many thanks to Yulia Chentsova-Dutton for being generous with her time and insights. Dr. Chentsova-Dutton is an Associate Professor of Psychology at Georgetown University and the head of the Culture and Emotions lab.
Marianna Pogosyan, Ph.D., is an intercultural consultant specializing in the psychology of cross-cultural transitions.
Fertility Preferences and Cognition: Religiosity and Experimental Effects of Decision Context on College Women
Marshall, E. A. and Shepherd, H. (2017), Fertility Preferences and Cognition: Religiosity and Experimental Effects of Decision Context on College Women. Fam Relat. doi:10.1111/jomf.12449
Abstract: Better models of culture and cognition may help researchers understand fertility and family formation. The authors examine cognition about fertility using an experimental survey design to investigate how fertility preferences of college women are affected by two prompts that bring to mind fertility-relevant factors: career aspirations and financial limitations. The authors test the effects of these prompts on fertility preferences and ask how effects vary with respondent religiosity, an aspect of social identity related to fertility preferences. The authors find significant effects of treatment on fertility preferences when accounting for religiosity: Less religious women who considered their career aspirations or financial limitations reported smaller desired family size, but this effect was attenuated for more religious women. This study demonstrates how fertility preferences are shaped by decision contexts for some sociodemographic groups. The authors discuss how the findings support a social–cognitive model of fertility.
Abstract: Better models of culture and cognition may help researchers understand fertility and family formation. The authors examine cognition about fertility using an experimental survey design to investigate how fertility preferences of college women are affected by two prompts that bring to mind fertility-relevant factors: career aspirations and financial limitations. The authors test the effects of these prompts on fertility preferences and ask how effects vary with respondent religiosity, an aspect of social identity related to fertility preferences. The authors find significant effects of treatment on fertility preferences when accounting for religiosity: Less religious women who considered their career aspirations or financial limitations reported smaller desired family size, but this effect was attenuated for more religious women. This study demonstrates how fertility preferences are shaped by decision contexts for some sociodemographic groups. The authors discuss how the findings support a social–cognitive model of fertility.
The role of endocannabinoids is to maintain an exquisite balance of neurotransmitter levels, on one hand preventing excessive release & potential excitotoxicity while on the other hand ensuring adequate levels for optimal signaling
From “Azalla” to Anandamide: Distilling the Therapeutic Potential of Cannabinoids. Rajiv Radhakrishnan, David A. Ross. Biological Psychiatry, Volume 83, Issue 2, 15 January 2018, Pages e27–e29. https://doi.org/10.1016/j.biopsych.2017.11.017. Refers to Functional Redundancy Between Canonical Endocannabinoid Signaling Systems in the Modulation of Anxiety, by Gaurav Bedse, Nolan D. Hartley, Emily Neale, Andrew D. Gaulden, Toni A. Patrick, Philip J. Kingsley, Md. Jashim Uddin, Niels Plath, Lawrence J. Marnett, Sachin Patel. Biological Psychiatry, Volume 82, Issue 7, 1 October 2017, Pages 488-499
Rolf Dagen's commentary: The brain's natural marihuana hold a key position in the brain, commanding different unique channels, keeping the system in the so-called Goldilocks zone. https://twitter.com/DegenRolf/status/940099167468208129
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What has emerged from these initial discoveries is one of the most fascinating stories in modern neuroscience: as it turns out, the endocannabinoid system is a unique regulatory neurotransmitter system, defying many properties of conventional neurotransmitters (6). First, unlike other neurotransmitters (e.g., serotonin, dopamine, acetylcholine), endocannabinoids are not stored in vesicles—rather, they are synthesized on demand. A second fascinating detail is that they are produced and released from the postsynaptic terminal (generally in response to the activation of other receptors, such as metabotropic glutamate receptor 1 or metabotropic glutamate receptor 5). Once released, they then diffuse into the synaptic cleft and act on the cannabinoid receptor on the presynaptic terminal to inhibit the further release of neurotransmitters (Figure 1). This process is known as retrograde signaling: a signal sent from the postsynaptic terminal to the presynaptic terminal, in this case acting as an inhibitory “brake” on the action of the neurotransmitter.
Retrograde signaling has been noted for only a few other neurotransmitters (e.g., nitric oxide and dynorphin). A third unique aspect of endocannabinoids is that they exhibit a property known as the entourage effect: their activity can be enhanced by structurally related, but otherwise biologically inactive, endogenous constituents [a property shared by other lipid mediators (7)]. A final property of the endocannabinoid system that is worth highlighting is that activation of the CB1R can have biphasic effects, which is to say that different levels of stimulation can lead to opposite types of outcomes. For example, low-dose stimulation of CB1R can have an anxiolytic effect, whereas high-dose stimulation may be ineffective or even anxiogenic.
The role of endocannabinoids is thus to maintain an exquisite balance of neurotransmitter levels, on one hand preventing excessive release and potential excitotoxicity while on the other hand ensuring adequate levels for optimal signaling. Effectively, they help keep neurotransmitter levels in the synapse in the so-called Goldilocks zone where the balance is “just right.” It is therefore not surprising that the endocannabinoid system is emerging as a significant player in the modulation of many physiological processes, ranging from pain sensation and autonomic system tone to the regulation of intrauterine development, appetite, mood, cognition, and anxiety. Given this wide role across physiological functions, it is not surprising that therapeutic uses have begun emerging for a range of medical conditions.
Rolf Dagen's commentary: The brain's natural marihuana hold a key position in the brain, commanding different unique channels, keeping the system in the so-called Goldilocks zone. https://twitter.com/DegenRolf/status/940099167468208129
---
What has emerged from these initial discoveries is one of the most fascinating stories in modern neuroscience: as it turns out, the endocannabinoid system is a unique regulatory neurotransmitter system, defying many properties of conventional neurotransmitters (6). First, unlike other neurotransmitters (e.g., serotonin, dopamine, acetylcholine), endocannabinoids are not stored in vesicles—rather, they are synthesized on demand. A second fascinating detail is that they are produced and released from the postsynaptic terminal (generally in response to the activation of other receptors, such as metabotropic glutamate receptor 1 or metabotropic glutamate receptor 5). Once released, they then diffuse into the synaptic cleft and act on the cannabinoid receptor on the presynaptic terminal to inhibit the further release of neurotransmitters (Figure 1). This process is known as retrograde signaling: a signal sent from the postsynaptic terminal to the presynaptic terminal, in this case acting as an inhibitory “brake” on the action of the neurotransmitter.
Retrograde signaling has been noted for only a few other neurotransmitters (e.g., nitric oxide and dynorphin). A third unique aspect of endocannabinoids is that they exhibit a property known as the entourage effect: their activity can be enhanced by structurally related, but otherwise biologically inactive, endogenous constituents [a property shared by other lipid mediators (7)]. A final property of the endocannabinoid system that is worth highlighting is that activation of the CB1R can have biphasic effects, which is to say that different levels of stimulation can lead to opposite types of outcomes. For example, low-dose stimulation of CB1R can have an anxiolytic effect, whereas high-dose stimulation may be ineffective or even anxiogenic.
The role of endocannabinoids is thus to maintain an exquisite balance of neurotransmitter levels, on one hand preventing excessive release and potential excitotoxicity while on the other hand ensuring adequate levels for optimal signaling. Effectively, they help keep neurotransmitter levels in the synapse in the so-called Goldilocks zone where the balance is “just right.” It is therefore not surprising that the endocannabinoid system is emerging as a significant player in the modulation of many physiological processes, ranging from pain sensation and autonomic system tone to the regulation of intrauterine development, appetite, mood, cognition, and anxiety. Given this wide role across physiological functions, it is not surprising that therapeutic uses have begun emerging for a range of medical conditions.
Sunday, December 10, 2017
Effects of glucose and sucrose on mood: a systematic review of interventional studies
Effects of glucose and sucrose on mood: a systematic review of interventional studies. Ondine van de Rest Nikita L van der Zwaluw Lisette C P G M de Groot. Nutrition Reviews, nux065, https://doi.org/10.1093/nutrit/nux065.
Abstract
Context: Glucose is the main energy source for the brain, and as such, manipulation of glucose supply may affect brain function. It has been suggested that a change in blood glucose may influence mood.
Objective: The aim of this review was to investigate the potential effects of glucose and sucrose, compared with placebo, on mood.
Data Sources: The electronic databases PubMed and Scopus were searched. Reference lists of selected articles were checked manually.
Data Extraction: Randomized controlled trials or crossover trials comparing the effects of glucose or sucrose on mood that were published up to May 2017 were eligible. Potentially eligible articles were selected independently by 2 reviewers.
Results: In total, 19 studies were found. Thirteen studies investigated the effects of glucose consumption compared with placebo on mood. Seven of these 13 studies found no effect of glucose on mood. The other 6 studies found small and partial effects that may also be due to other factors like palatability and expectation. Seven of the 19 studies investigated the effects of sucrose ingestion versus placebo on mood. None of these studies found a positive effect on mood, and 1 study observed an adverse effect. One of the studies investigated the effects of both glucose and sucrose.
Conclusions: The results from this review show limited effects of glucose ingestion on mood and no effect of sucrose on mood.
Keywords: glucose, mood, sucrose, sugar
Abstract
Context: Glucose is the main energy source for the brain, and as such, manipulation of glucose supply may affect brain function. It has been suggested that a change in blood glucose may influence mood.
Objective: The aim of this review was to investigate the potential effects of glucose and sucrose, compared with placebo, on mood.
Data Sources: The electronic databases PubMed and Scopus were searched. Reference lists of selected articles were checked manually.
Data Extraction: Randomized controlled trials or crossover trials comparing the effects of glucose or sucrose on mood that were published up to May 2017 were eligible. Potentially eligible articles were selected independently by 2 reviewers.
Results: In total, 19 studies were found. Thirteen studies investigated the effects of glucose consumption compared with placebo on mood. Seven of these 13 studies found no effect of glucose on mood. The other 6 studies found small and partial effects that may also be due to other factors like palatability and expectation. Seven of the 19 studies investigated the effects of sucrose ingestion versus placebo on mood. None of these studies found a positive effect on mood, and 1 study observed an adverse effect. One of the studies investigated the effects of both glucose and sucrose.
Conclusions: The results from this review show limited effects of glucose ingestion on mood and no effect of sucrose on mood.
Keywords: glucose, mood, sucrose, sugar
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