Brain region associated with selfishness

In three women, damage to basolateral amygdala prompted unusual generosity

By Laura Sanders, 22:05 PM January 20, 2013

People with damage to a specific part of the brain entrusted unexpectedly large amounts of money to complete strangers. In an investment game played in the lab, three women with damage to a small part of the brain called the basolateral amygdala handed over nearly twice as much money as healthy people.

These women didn’t expect to make a bunch of money back, an international team of researchers reports online the week of January 21 in the Proceedings of the National Academy of Sciences. No...

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