A Mental Winner Effect? Competitive Mental Imagery Impacts Self-Assurance but not Testosterone in Women. Jennifer M. Gray, Emilie Montemayor, Meggan Drennan, Marlaina Widmann & Katherine L. Goldey. Adaptive Human Behavior and Physiology (2020). August 24 2020. https://link.springer.com/article/10.1007/s40750-020-00149-x
Abstract
Objective: In humans and other species, winning or losing a competition elicits changes in testosterone that may influence engagement or performance in subsequent competitive events. Furthermore, anticipating or observing competition can change mood and testosterone, suggesting that cognitions surrounding competitive events may at least partially drive specific physiological and emotional responses. In the present study, we investigated the effect of imagined competition on mood and testosterone in women.
Methods: Participants (62 women) were randomly assigned to one of four conditions (high-investment win, high-investment loss, low-investment win, low-investment loss) and were asked to imagine and write about experiencing both the competition and its outcome. Salivary testosterone levels and self-reported mood were assessed before and after the competitive cognition task.
Results: Although imagining a competitive scenario was not salient enough to elicit significant changes in testosterone, imagining a high-investment competition and imagining a win each significantly increased feelings of self-assurance. Participants were more likely to write about their motivation to compete again when imagining a loss than when imagining a win, but testosterone did not predict including content about competing again.
Conclusions: Visualizing oneself winning a contest of personal importance increased feelings of self-assurance in the absence of a testosterone response in women. Future research is needed to determine how the combination of positive mental imagery and physical competition could influence mood and testosterone, and whether self-assurance induced by mental imagery can increase the chance of future victories.
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