Serotonergic influences on life-history outcomes in free-ranging male Rhesus Macaques

Article Abstract:

The longitudinal measures of serotonergic and dopaminergic functioning are predictive of major life-history outcomes in nonhuman primate males. Low concentrations of Cerebrospinal fluid (CSF) levels of the serotonin metabolite 5-hydroxyindoleacetic acid (5-HIAA) are associated with negative life-history patterns characterized by social instability and excessive aggression and positive life-history patterns characterized by higher dominance rank.

Science & research, Research, Behavior, Social behavior in animals, Animal social behavior, Rhesus monkey, Animal social behaviour, Clinical report

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Mark tests for mirror self-recognition in capuchin monkeys (Cebus apella) trained to touch marks

Article Abstract:

The results from a series of mark tests on capuchin monkeys (Cebus apella) are presented. The results have found that no monkey species is capable of spontaneous mirror self-recognition.

United States, Analysis, Physiological aspects, Genetic aspects, Cellular recognition, Capuchin monkeys

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