Gay Men, Straight Women Have Similar Brains

by James Owen
for National Geogrpahic News

Researchers found resemblances in the brain's physical structure and size as well as the strength of neural connections among gay people and straight people of the opposite sex.

In some ways the brains of straight men and lesbians are on similar wavelengths, the research suggests. Likewise, gay men and straight women appear to have similar brains, in some respects. The findings are new evidence that homosexuals may be born with a predisposition to be gay.

"[Our] data are more difficult to explain by a specific learned behavior related to … sexual orientation," study leader Ivanka Savic, a neuroscientist at the Karolinska Institute in Stockholm, Sweden, said in an email.

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