Eyes Wide Open: Pupil Dilation and Sexual Orientation

A new study from Gerulf Rieger and Ritch Savin-Williams confirms the relationship between sexual desire and pupil dilation. While this relationship has been known for some time, now it is possible to measure the dilation with precision. In doing so, the authors report significant relationships between self-reported sexual orientation and the way pupils dilate in response to sexual imagery. Read a summary of the study here, and the open access journal report here. The authors report that … [Read more...]


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