Brain structure volume linked to increased social tolerance in macaques

Phys.org

March 3, 2026

Researchers have found that the size of the amygdala—a region of the brain involved in processing emotions—could be linked to social tolerance in macaque monkeys. Their research, published today in eLife, is described by the editors as important work with a convincing methodological approach, offering new insights into the neural basis of social and emotional processing.