Document Detail


Intentional behavior and intentional communication in young free-ranging orangutans.
MedLine Citation:
PMID:  1446548     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The goal of this study was to describe the ontogeny of the manipulation of an animate object (i.e., the mother) by young free-ranging orangutans within the context of food sharing. The food-sharing context is an important one in the development of object manipulation skills and social communication. 5 orangutans, ranging in age from 1 month to 5 years, were videotaped with their biological mothers for 18 hours over the course of 9 months. Systematic coding of the videotapes revealed that even young orangutans, 1-6 months old, used intentional (i.e., goal-directed) behaviors. When young orangutans directed behavior toward the mother in addition to the goal object then maternal responses were positive, resulting in the infant obtaining the food. Intentional communication, evident in gestures and consisting of an abbreviated action directed toward the mother, was found in the 3 oldest orangutans (2 1/2, 3 1/2, and 5 years of age). Cognitive competence and behavioral performance are considered from the developmental perspectives of Piaget and prelinguistic communication. The ability to use a communicative gesture as an intermediate means in the coordination of actions on a social agent with actions on an object is evident in young orangutans.
Authors:
K A Bard
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Child development     Volume:  63     ISSN:  0009-3920     ISO Abbreviation:  Child Dev     Publication Date:  1992 Oct 
Date Detail:
Created Date:  1992-12-29     Completed Date:  1992-12-29     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0372725     Medline TA:  Child Dev     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1186-97     Citation Subset:  IM    
Affiliation:
Yerkes Regional Primate Research Center, Emory University, Atlanta, GA 30322.
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MeSH Terms
Descriptor/Qualifier:
Animal Communication*
Animals
Behavior, Animal
Child, Preschool
Female
Gestures*
Humans
Male
Maternal Behavior
Mother-Child Relations
Pongo pygmaeus*
Videotape Recording
Grant Support
ID/Acronym/Agency:
RR-00165/RR/NCRR NIH HHS; RR-03591/RR/NCRR NIH HHS; RR-06158/RR/NCRR NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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