More Facebook friends linked to bigger brain areas

Scientists have found a direct link between the number of "friends" a person has on Facebook and the size of certain brain regions, raising the possibility that using online social networks might change our brains. The four brain areas involved are known to play a role in memory, emotional responses and social interactions. So far, however, it is not possible to say whether having more Facebook connections makes particular parts of the brain larger or whether some people are simply pre-disposed, or "hard-wired", to have more friends. Click here for full story