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Chronic Social Defeat Stress in Early Adolescent Male Mice
Published on: January 24, 2025
Social competence is reduced in socially deprived rhesus monkeys (Macaca mulatta)
M M Kempes1, M M C Gulickx, H J C van Daalen
1Animal Science Department, Biomedical Primate Research Centre, Rijswijk, The Netherlands. m.kempes@fss.uu.nl
Abstract:
Rhesus monkeys deprived for some period from their mother have often served as a model for the effect of adverse rearing conditions on social competence in humans. Social competence is the capacity to react in a species-specific way to social interactions. The current study assesses whether early deprivation from peers also affects the rates of behavior and social competence in rhesus monkeys. This was studied in groups of rhesus monkeys with different rearing conditions: subadult females that were mother-only reared during their first year of life and subsequently housed with peers were compared with subadult females from five naturalistic social groups. Socially deprived monkeys showed higher rates of submission and stereotypic behaviors than socially reared individuals. In addition, they show socially incompetent behavior, since they react with agonistic behavior to nonthreatening social situations. The results suggest that this socially incompetent behavior is rooted in a general feeling of anxiety toward group companions. The authors hypothesize that anxiety negatively affects social information processing, which results in socially incompetent behavior.
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