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      The neurobiology of sexual partner preferences in rams

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      Hormones and Behavior

      Elsevier BV

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          Most cited references 70

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          Organizing action of prenatally administered testosterone propionate on the tissues mediating mating behavior in the female guinea pig.

           R Goy,  W YOUNG,  A A GERALL (1959)
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            Sexual differentiation of the central nervous system.

            Sexual differentiation of reproductive and behavior patterns is largely effected by hormones produced by the gonads. In many higher vertebrates, an integral part of this process is the induction of permanent and essentially irreversible sex differences in central nervous function, in response to gonadal hormones secreted early in development.
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              A difference in hypothalamic structure between heterosexual and homosexual men.

               S LeVay (1991)
              The anterior hypothalamus of the brain participates in the regulation of male-typical sexual behavior. The volumes of four cell groups in this region [interstitial nuclei of the anterior hypothalamus (INAH) 1, 2, 3, and 4] were measured in postmortem tissue from three subject groups: women, men who were presumed to be heterosexual, and homosexual men. No differences were found between the groups in the volumes of INAH 1, 2, or 4. As has been reported previously, INAH 3 was more than twice as large in the heterosexual men as in the women. It was also, however, more than twice as large in the heterosexual men as in the homosexual men. This finding indicates that INAH is dimorphic with sexual orientation, at least in men, and suggests that sexual orientation has a biological substrate.
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                Author and article information

                Journal
                Hormones and Behavior
                Hormones and Behavior
                Elsevier BV
                0018506X
                May 2009
                May 2009
                : 55
                : 5
                : 611-620
                Article
                10.1016/j.yhbeh.2009.03.013
                © 2009

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