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# Gay brains structured like those of the opposite sex
- URL: https://tjomlid.com/gay-brains-structured-like-those-of-the-opposite-sex/
- Published: 2008-06-19T13:01:12.000Z
- Updated: 2026-03-08T23:18:19.000Z
- Author: Gunnar R. Tjomlid
- Tags: Bloggpost, PublishedPost, #substack, #substack-type-newsletter, #substack-access-only_paid, #Import 2024-12-22 18:32

[Fra New Scientist](http://www.newscientist.com/channel/sex/dn14146-gays-brains-structured-like-those-of-the-opposite-sex.html?feedId=online-news%5Frss20&ref=tjomlid.com):

> Brain scans have provided the most compelling evidence yet that being gay or straight is a biologically fixed trait.  
>  
> 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.  
>  
> The differences are likely to have been forged in the womb or in early infancy, says Ivanka Savic, who conducted the study at the Karolinska Institute in Stockholm, Sweden.  
>  
> "This is the most robust measure so far of cerebral differences between homosexual and heterosexual subjects," she says.