Relationships among childhood sex-atypical behavior, spatial ability, handedness, and sexual orientation in men

Archives of Sexual Behavior
Kenneth M Cohen

Abstract

Moderate support was obtained in a sample of 101 gay, bisexual, and heterosexual males for the perinatal hormone theory, which hypothesizes that attenuated levels of androgens during critical periods of male fetal development fail to masculinize and defeminize the brain. Affected individuals develop female-typical sexual orientation (assessed here by a pie chart) and cerebral organization, reflected in visual-spatial abilities and gender nonconformity. Handedness, also thought to reflect in utero hormone exposure, was evaluated. Gay and bisexual males reported greater femininity and lesser masculinity than heterosexuals, with bisexuals intermediate in masculinity, suggesting a common biological mediator for homoeroticism and sex atypicality. Among bisexual males, increased masculinity was related to enhanced performance on all spatial tasks. Group mean differences in spatial ability and handedness were not found; however, among bisexuals, poorer visual-spatial performance predicted increased homoeroticism and right-handedness positively correlated with all spatial tasks. If perinatal hormones contribute to a generalized feminization of the brain, the current data indicate that it is most apparent among bisexual males. Sexing of...Continue Reading

Citations

Jul 2, 2020·Archives of Sexual Behavior·Gerulf RiegerRitch C Savin-Williams
Oct 13, 2015·Journal of Sex Research·Lijun Zheng, Yong Zheng
Apr 27, 2016·Psychological Science in the Public Interest : a Journal of the American Psychological Society·Ritch C Savin-Williams
Apr 6, 2017·Archives of Sexual Behavior·Ashlyn Swift-GallantDoug P VanderLaan
Dec 13, 2017·Archives of Sexual Behavior·Lijun ZhengYong Zheng
Jun 12, 2019·Proceedings of the National Academy of Sciences of the United States of America·Ashlyn Swift-GallantDoug P VanderLaan
Jan 25, 2020·Archives of Sexual Behavior·Yin XuQazi Rahman
Jul 24, 2010·Archives of Sexual Behavior·Ritch C Savin-WilliamsGerulf Rieger
Jan 28, 2012·Archives of Sexual Behavior·James M Cantor
Nov 12, 2015·International Review of Psychiatry·Ritch C Savin-Williams, Kenneth M Cohen
Nov 11, 2014·Population Research and Policy Review·Bethany G Everett, Stefanie Mollborn
Mar 31, 2007·Archives of Sexual Behavior·Michael PetersStian Reimers
Dec 23, 2015·Journal of Sex Research·Yin Xu, Yong Zheng

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