IT’S IN YOUR eyes… A new study suggests pupil dilation in the eyes reflects not just a person’s attraction to what they see but also their sexual orientation.
The research conduced by Cornell University in New York assessed the pupil dilation of over 300 men and women of different sexual orientations to erotic videos.
In general, pupil dilation corresponded with participant’s reported sexuality but dilation to both sexes was most common in women who identified themselves as heterosexual.
Most men were exclusively aroused to the sex consistent with their reported orientation indicating the traits of men and women’s sexualities are very different.
It was found that men’s responses were more influenced by the erotic content of videos while women’s reactions depended on other nonsexual aspects. The sexual attraction patterns of women are more affected by a partner’s cultural, social, and situational variables.
The study also disproved the idea that bisexuality in men was not based on sexual arousal but on issues of identity or romance. Bisexual men showed considerable pupil dilation to erotic videos of both men and women.
This new research offers a clearer insight into sexual orientations as previous studies were based on men and women’s own identification of orientation or using psychological measures.
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