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hypothalamus |
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hypothalamusRegion of the brain below the cerebrum which regulates rhythmic activity and physiological stability within the body, including water balance and temperature. It regulates the production of the pituitary gland's hormones and controls that part of the nervous system governing the involuntary muscles. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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One of the first widely reported studies, Simon LeVay's work at the Salk Institute in 1991, suggests a part of the brain--the anterior hypothalamus, which regulates metabolism and sexual response--is twice as large in straight men as in gay men. Although scientists have yet to identify the precise function of the clump, called the interstitial nuclei of the anterior hypothalamus 3 (INAH 3), the hypothalamus is known as the seat of the emotions and sexual drives. There are several areas within the brain that appear to be related to sexual responsivity, including the frontal lobe (Dua & MacLean, 1964) and anterior hypothalamus (Edwards & Einhorn, 1986), but none of these has been definitively identified as crucial portions of female (or male) human sexuality. |
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