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  • Title: The aroma of arousal: Effects of menstrual cycle phase and women's sexual arousal state on men's responsiveness to women's body odor.
    Author: Hoffmann H.
    Journal: Biol Psychol; 2019 Mar; 142():54-61. PubMed ID: 30690055.
    Abstract:
    Humans can detect aspects of identity, reproductive status, and emotional state from body odor. Women have shown a distinctive neural response to male sexually-aroused (vs. resting) sweat. The present study examined olfactory sexual arousal contagion in men. Axial sweat was collected from naturally cycling women when they were sexually aroused and when they were resting, during both their follicular and their luteal phase. Men were exposed to both aroused and resting sweat in a state of low-level sexual arousal. Participants smelling follicular phase sweat reported greater subjective sexual arousal and an increased likelihood to self-disclose than men smelling luteal phase sweat. They also showed increased genital arousal but this effect was moderated by the arousal state of the women; genital responding was greater in men smelling sexually aroused (vs. resting) sweat for those exposed to luteal (but not those exposed to follicular) phase body odor. Being able to detect the scent of sexual arousal could enhance perceiver arousal and provide information on whether to approach someone for sexual interaction.
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