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The eyes have it: Sex and sexual orientation differences in pupil dilation patterns

Rieger, G and Savin-Williams, RC (2012) 'The eyes have it: Sex and sexual orientation differences in pupil dilation patterns.' PLoS ONE, 7 (8). ISSN 1932-6203

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Abstract

Recent research suggests profound sex and sexual orientation differences in sexual response. These results, however, are based on measures of genital arousal, which have potential limitations such as volunteer bias and differential measures for the sexes. The present study introduces a measure less affected by these limitations. We assessed the pupil dilation of 325 men and women of various sexual orientations to male and female erotic stimuli. Results supported hypotheses. In general, self-reported sexual orientation corresponded with pupil dilation to men and women. Among men, substantial dilation to both sexes was most common in bisexual-identified men. In contrast, among women, substantial dilation to both sexes was most common in heterosexual-identified women. Possible reasons for these differences are discussed. Because the measure of pupil dilation is less invasive than previous measures of sexual response, it allows for studying diverse age and cultural populations, usually not included in sexuality research. © 2012 Rieger, Savin-Williams. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculty of Science and Health > Psychology, Department of
Depositing User: Clare Chatfield
Date Deposited: 10 Dec 2013 16:44
Last Modified: 30 Jan 2019 16:22
URI: http://repository.essex.ac.uk/id/eprint/8233

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