Gay brains structured like those of the opposite sex


	Gay brains structured like those of the opposite sex

iskandar

6-16-2008 12:49 PM

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research, brain, gay

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6-16-2008 1:19 PM

ericskiff

Another bit of evidence in the "nature vs nurture" argument. Great clip!

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/de599182-685c-4e0e-89f8-7c9c0033251f/5165DDE7-4A78-4FDD-BE3E-1687730F248D/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.newscientist.com/article/dn14146-gay-brains-structured-like-those-of-the-opposite-sex.html" href="http://www.newscientist.com/article/dn14146-gay-brains-structured-like-those-of-the-opposite-sex.html" style="font-size: 11px;">www.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn14146-gay-brains-structured-like-those-of-the-opposite-sex.html"><H2 class="inline">Gay brains structured like those of the opposite sex</H2></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn14146-gay-brains-structured-like-those-of-the-opposite-sex.html"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.newscientist.com/img/CBD67145-0F16-4723-8EBF-11F92B30C76C" alt=" Some physical attributes of the homosexual brain resemble those found in the opposite sex. These images show the amygdala in heterosexual men and women (labeled HeM and HeW) and homosexual and women (labeled HoM and HoW) (Image: National Academy of Sciences, PNAS)" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn14146-gay-brains-structured-like-those-of-the-opposite-sex.html"><P>Brain scans have provided the most compelling evidence yet that being gay or straight is a biologically fixed trait.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn14146-gay-brains-structured-like-those-of-the-opposite-sex.html"><P>The scans reveal that in gay people, key structures of the brain governing emotion, mood, anxiety and aggressiveness resemble those in straight people of the opposite sex.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn14146-gay-brains-structured-like-those-of-the-opposite-sex.html"><P>The differences are likely to have been forged in the womb or in early infancy, says Ivanka Savic, who conducted the study at the <A target="NS" href="http://ki.se/ki/jsp/polopoly.jsp?l=en&d=8993/" linkindex="61">Karolinska Institute</A> in Stockholm, Sweden.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn14146-gay-brains-structured-like-those-of-the-opposite-sex.html"><P>"This is the most robust measure so far of cerebral differences between homosexual and heterosexual subjects," she says.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn14146-gay-brains-structured-like-those-of-the-opposite-sex.html"><P>To get round this, Savic and her colleague, Per Lindström, chose to measure brain parameters likely to have been fixed at birth.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn14146-gay-brains-structured-like-those-of-the-opposite-sex.html"><P>The results showed that straight men had asymmetric brains, with the right hemisphere slightly larger – and the gay women also had this asymmetry. Gay men, meanwhile, had symmetrical brains like those of straight women.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/5165DDE7-4A78-4FDD-BE3E-1687730F248D/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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