Tuesday, November 21, 2017

Synthetic Copulin Does Not Affect Men’s Sexual Behavior

Synthetic Copulin Does Not Affect Men’s Sexual Behavior. Megan N. Williams, Coren Apicella. Adaptive Human Behavior and Physiology, https://link.springer.com/article/10.1007/s40750-017-0083-y

Abstract: Chemical communication plays an important role in the social interactions and mating behavior of diverse animal taxa; yet its role in humans remains equivocal. Using a randomized, placebo-controlled experiment involving 243 male participants, we test whether exposure to synthetic copulin – a mixture of volatile fatty acids secreted vaginally in primates, increases 1) men’s sexual motivation using an incentivized behavioral task, 2) self-reported willingness to take sexual risks, 3) preference for short-term mating, 4) perceptions of female attractiveness and 5) self-reported mate value. Because chemical receptors are found throughout the body and human chemosensory pathways have yet to be definitively identified, we also manipulate the location of copulin exposure (i.e. olfactory epithelium versus epidermal keratinocytes in the genital region). Finally, we examine whether prior sexual experience mediate any behavioral effects. Unlike previous reports, we fail to find any effects of copulin exposure on measures of men’s sexual behavior.

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