Journal
SOCIAL NEUROSCIENCE
Volume 10, Issue 5, Pages 512-526Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/17470919.2015.1087426
Keywords
Social buffering; Nonhuman primates; Stress reactivity; HPA axis
Categories
Funding
- NIMH [P50 MH078105, F31 MH086203]
- NICHD [HD055255, HD077623]
- NSF Mar Sanchez, Co-Inv. [BCS-1439258]
- Office of Research Infrastructure Programs/OD (ORIP/OD) [P51OD11132]
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Social buffering, the phenomenon by which the presence of a familiar individual reduces or even eliminates stress- and fear-induced responses, exists in different animal species and has been examined in the context of the mother-infant relationship, in addition to adults. Although it is a well-known effect, the biological mechanisms that underlie it as well as its developmental impact are not well understood. Here, we provide a review of evidence of social and maternal buffering of stress reactivity in nonhuman primates, and some data from our group suggesting that when the mother-infant relationship is disrupted, maternal buffering is impaired. This evidence underscores the critical role that maternal care plays for proper regulation and development of emotional and stress responses of primate infants. Disruptions of the parent-infant bond constitute early adverse experiences associated with increased risk for psychopathology. We will focus on infant maltreatment, a devastating experience not only for humans, but for nonhuman primates as well. Taking advantage of this naturalistic animal model of adverse maternal caregiving, we have shown that competent maternal care is critical for the development of healthy attachment, social behavior, and emotional and stress regulation, as well as of the neural circuits underlying these functions.
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