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How many friends you have is related to the size of your . . .


Lineareagle

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Everybody zip back up. :/

 

The number of friends you have can be accurately predicted by the size of a small almond-shaped part of the brain called the amygdala, according to a university study published this week. The strong correlation between a larger amygdala and a full social life holds true regardless of age or gender.

 

Scientists have discovered that the amygdala, deep within the temporal lobe, is important to a rich and varied social life among humans.

 

"We know that primates who live in larger social groups have a larger amygdala, even when controlling for overall brain size and body size," says Lisa Feldman Barrett, PhD, of the Massachusetts General Hospital (MGH) Psychiatric Neuroimaging Research Program and a Distinguished Professor of Psychology at Northeastern University, who led the study. "We considered a single primate species, humans, and found that the amygdala volume positively correlated with the size and complexity of social networks in adult humans."

 

The researchers also performed an exploratory analysis of all the subcortical structures within the brain and found no compelling evidence of a similar relationship between any other subcortical structure and the social life of humans. The volume of the amygdala was not related to other social variables in the life of humans, such as life support or social satisfaction.

 

Thank goodness, I am antisocial by nature - whew.

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