Pupil Dilation May Reveal Sexuality

Many experts believe that pupil dilation can reveal sexual orientation when a person looks at attractive people. Yet until now there has been no research supporting that theory. A new study by researchers at Cornell University, published in the journal PLoS ONE, measured pupillary changes of participants watching erotic videos by using a specialized infrared lens. Pupils widened most when a person was watching a video featuring people they found attractive, which then revealed where the volunteers fell on the sexual spectrum from heterosexual to homosexual...

Source: http://feedproxy.google.com/~r/mnt/healthnews/~3/lcCOakUn6ak/248674.php

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