Tags: Social Brain

Study Ties Brain Structure Size to Socializing

Sunday, 26 Dec 2010 05:06 PM

 

NEW YORK (AP) — If you spend time with a lot of friends, a part of your brain may be unusually large.

That part is called the amygdala (uh-MIG'-duh-luh), and it's deep in your brain. Researchers found that among volunteers who got brain scans, those with a bigger amygdala tended to report seeing more friends and family regularly.

Lisa Feldman Barrett of Northeastern University reports the work in a paper published online Sunday by the journal Nature Neuroscience. She says the result makes sense because the amygdala is at the center of a brain network that's important for socializing.

The study couldn't show whether a bigger amygdala leads to more friends, or vice versa. Barrett says the influence might run in both directions.

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Online:

http://www.nature.com/neuro

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