Abnormal behavior in nonhuman primates is oftentimes prematurely blamed on certain conditions, in the case of captive non-human primates, readily so on their husbandry, largely ignoring the underlying pathophysiological processes in the brain. Each life history shapes an individual\'s predisposition to develop or resist the development of a psychopathological disorder, which manifests itself in abnormal behavior when triggered by certain situations or conditions. In order to sustainably address the symptoms of psychopathologies, therapeutic approaches must be based on a structured, comprehensive diagnostic procedure, including behavioral and functional analyses, research into life history, and personality assessment..