Influence of amygdalectomy on social behavior in monkeys.

Authors:
  • AMAllan F. Mirsky
    Allan F. Mirsky
  • KPKarl H. Pribram
    Karl H. Pribram
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Abstract
After preliminary observation, the three most dominant of eight rhesus monkeys were given a bilateral amygdalectomy. Two of the three animals fell, post-operatively, from top to bottom of the dominance hierarchy, the third showing no change. In individual cages the operated animals all showed more aggressiveness. Differences in behavior appear to be possibly related to varying amounts of damage to the basolateral nuclei of the amygdala. (PsycINFO Database Record (c) 2006 APA, all rights reserved)