Document Detail

Looking compensates for the distance between mother and infant chimpanzee.
MedLine Citation:
PMID:  17286841     Owner:  NLM     Status:  MEDLINE    
The development of visual interaction between mother and infant has received much attention in developmental psychology, not only in humans, but also in non-human primates. Recently, comparative developmental approaches have investigated whether the mechanisms that underlie these behaviors are common in primates. In the present study, we focused on the question of whether chimpanzee mother and infant replace physical contact with visual contact. To test this hypothesis, we measured non-synchronous looking ('looking') between mother and infant. A unique setting, in which the mother chimpanzee stayed in one location and the infant chimpanzee moved freely, allowed us to analyze the relation between the visual interaction and the distance of a mother-infant pair during the first year of life. Our results showed that 'looking' increased when body contact decreased or when the distance between mother and infant increased. We also show a behavioral sequence of typical 'secure base' behavior, a behavior characterized by the infant regularly returning to its mother when exploring the environment. These findings imply that attachment between mother and infant chimpanzee appears to develop in a similar fashion as in humans.
Sanae Okamoto-Barth; Masayuki Tanaka; Nobuyuki Kawai; Masaki Tomonaga
Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Developmental science     Volume:  10     ISSN:  1363-755X     ISO Abbreviation:  Dev Sci     Publication Date:  2007 Mar 
Date Detail:
Created Date:  2007-02-08     Completed Date:  2007-03-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9814574     Medline TA:  Dev Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  172-82     Citation Subset:  IM    
Department of Psychology, Graduate School of Environmental Studies, Nagoya University, Japan.
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MeSH Terms
Age Factors
Analysis of Variance
Behavior, Animal / physiology*
Maternal Behavior / physiology*
Pan troglodytes / physiology*
Visual Perception / physiology*

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