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Although the orbitofrontal cortex has been implicated in important aspects of social behavior, few studies have evaluated semi-naturalistic social behavior in nonhuman primates after discrete lesions of this cortical area. In the present report, we evaluated the behavior of adult rhesus monkeys during dyadic social interactions with novel animals following discrete lesions of the orbitofrontal cortex...
The amygdala is widely recognized to play a central role in emotional processing. In nonhuman primates, the amygdala appears to be critical for generating appropriate behavioral responses in emotionally salient contexts. One common finding is that macaque monkeys that receive amygdala lesions as adults are behaviorally uninhibited in the presence of potentially dangerous objects. While control animals...
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