A new study shows macaque species with more tolerant social systems have larger brain regions linked to emotions and social signals.
Macaque species with higher social tolerance possess larger amygdalae, redefining the brain region as a social hub.
Researchers have found that the size of the amygdala—a region of the brain involved in processing emotions—could be linked to ...
The finding reframes a brain region long tied to aggression as a core component of how primates manage complex social relationships.
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