People with lots of Facebook friends have denser grey matter in three regions of the brain, a study suggests.

This article titled “Facebook friend tally is associated with differences in brain structure” was written by Nic Fleming, for The Guardian on Tuesday 18th October 2011 23.00 UTC

The brains of people with large numbers of Facebook friends are different from those of people with fewer online connections, say neuroscientists.

The researchers at University College London found that users with the greatest number of friends on the social networking site had more grey matter in brain regions linked to social skills. The finding suggests that either social networking changes these brain regions, or that people born with these kinds of brains behave differently on websites like Facebook.

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