Handling newborn monkeys alters later exploratory, cognitive, and social behaviors

Simpson, E.A., Sclafani, V., Paukner, A. ORCID: 0000-0002-3421-1864, Kaburu, S.S.K., Suomi, S.J. and Ferrari, P.F., 2017. Handling newborn monkeys alters later exploratory, cognitive, and social behaviors. Developmental Cognitive Neuroscience. ISSN 1878-9293

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Abstract

Touch is one of the first senses to develop and one of the earliest modalities for infant-caregiver communication. While studies have explored the benefits of infant touch in terms of physical health and growth, the effects of social touch on infant behavior are relatively unexplored. Here, we investigated the influence of neonatal handling on a variety of domains, including memory, novelty seeking, and social interest, in infant monkeys (Macaca mulatta; n = 48) from 2 to 12 weeks of age. Neonates were randomly assigned to receive extra holding, with or without accompanying face-to-face interactions. Extra-handled infants, compared to standard-reared infants, exhibited less stress-related behavior and more locomotion around a novel environment, faster approach of novel objects, better working memory, and less fear towards a novel social partner. In sum, infants who received more tactile stimulation in the neonatal period subsequently demonstrated more advanced motor, social, and cognitive skills—particularly in contexts involving exploration of novelty—in the first three months of life. These data suggest that social touch may support behavioral development, offering promising possibilities for designing future early interventions, particularly for infants who are at heightened risk for social disorders.

Item Type: Journal article
Publication Title: Developmental Cognitive Neuroscience
Creators: Simpson, E.A., Sclafani, V., Paukner, A., Kaburu, S.S.K., Suomi, S.J. and Ferrari, P.F.
Publisher: Elsevier
Date: 18 August 2017
ISSN: 1878-9293
Identifiers:
NumberType
10.1016/j.dcn.2017.07.010DOI
S1878929317300440UNSPECIFIED
Divisions: Schools > School of Social Sciences
Depositing User: Jonathan Gallacher
Date Added: 25 Jan 2019 16:00
Last Modified: 25 Jan 2019 16:11
URI: http://irep.ntu.ac.uk/id/eprint/35695

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