Sunday, April 8, 2012
Social Networking and Brain's Amygdalae
MRI studies have shown that the size of the brain’s amygdalae correlated positively with the size and complexity of social networks in adult humans. This link between amygdala size and social network size and complexity was observed for both older and younger individuals and for both men and women and was specific to the amygdala (e.g., social network size and complexity were not associated with the size of other brain structures).
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