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Transgender MtF – brain differences. June 29, 2009

Posted by Geekgirl in brain.
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Researchers at UCLA School of Medicine study the volume of gray matter in the brains of MtF transgender folks and compare it to straight men and straight women’s brains, using magnetic resonance imaging (MRI). A difference was found in the region of the brain called the putamen. The main function of the putamen is to regulate movements and influence various types of learning. It employs dopamine to perform its functions.

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Transsexual? How’s your androgen receptor gene? June 28, 2009

Posted by Geekgirl in Uncategorized.
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Is there a gene that contributes to being transsexual? Male to female transsexual individuals are more likely to have repeated sections of DNA in the gene that codes for an androgen receptor. Androgens are the class of hormones that include testosterone. A receptor is like a doorway into the cell. Receptors are very specific for a given molecule. This study suggests that gender identity may be partly mediated through the androgen receptor.

Abstract is included, however the full text of the article is not free. (more…)

Your brain knows erotica when it sees it. June 28, 2009

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Does your brain know what you are watching? Show gay men and straight men erotic videos and measure the response in the hypothalamus. Go ahead, guess what happens.

Abstract follows, full text is not available for free.

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What Blood Type Are You? June 28, 2009

Posted by Geekgirl in heredity.
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Blood type and sexual orientation
Researchers in North Dakota studied eye color, hair color, blood type and Rhesus factor in a population of 7,000 students, gay and straight. While they found no correlation between sexual orientation and eye color or hair color, they did find a correlation for blood types.
An unusually high proportion of gays and lesbians were Rh- when compared to heterosexuals.
In addition, heterosexuals men and women had the same rate of Type A blood while gay men had lower incidence of the A blood type and lesbians had a higher incidence of the A blood type.
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Hello world! June 27, 2009

Posted by Geekgirl in Commentary.
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Welcome to LGBT Latest Science

On the 40th anniversary of the Stonewall Riots, a new website is born. This site is dedicated to the scientific and social research on LGBT issues. As research and knowledge continues to unfold, I hope this will be a place where people can come for the latest information.

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