Identifying a Facial Expression of Flirtation and Its Effect on Men: Flirtatious expressions receiving low recognition by men differed in morphology from the highly recognized flirting expressions

Identifying a Facial Expression of Flirtation and Its Effect on Men. Parnia Haj-Mohamadi Omri Gillath & Erika L. Rosenberg. The Journal of Sex Research, Sep 3 2020. https://doi.org/10.1080/00224499.2020.1805583

Abstract: Internal states may be conveyed to others nonverbally through facial expression. We investigated the existence of a particular facial cue that may be effectively used by women to indicate interest in a man. Across six studies, men generally recognized a female facial expression as representing flirting. Flirtatious expressions receiving low recognition by men differed in morphology from the highly recognized flirting expressions. The discrepancies are indicative of individual differences among women in effectively conveying a flirtatious facial cue and among men in recognizing this cue. The morphology of the highly recognized flirtatious facial expressions, coded using the Facial Action Coding System (FACS), included: a head turned to one side and tilted down slightly, a slight smile, and eyes turned forward (toward the implied target). Results from experimental studies showed that flirtatious facial expressions, as compared with happy or neutral expressions, led to faster identification of sex words by men. These findings support the role of flirtatious expression in communication and mating initiation.