Document Detail


Social learning and mother's behavior in manipulative tasks in infant marmosets.
MedLine Citation:
PMID:  19319974     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
High levels of social tolerance are considered to promote social learning, as they allow direct observation of a manipulating conspecific and facilitate scrounging. Owing to tolerance toward infants, infancy is thought to be especially suited for learning socially transmitted behaviors. Despite this, few studies have investigated social learning of infants, particularly in manipulative tasks where observation might be most helpful. Here, we investigated (1) the influence of social learning on task acquisition in infant marmosets, and (2) whether the mother augments her behavior in a way that may enhance social learning by her infants. We tested infant and juvenile marmosets in four different complex foraging-related tasks, featuring large living insects (two tasks) or artificially embedded prey (two tasks). Each individual observed the mother solving two of the tasks and served as a control in the other two tasks. Observers manipulated more and succeeded sooner than control animals, suggesting that observing the mother promoted learning either directly or by decreasing neophobia. Moreover, the data suggest that learning in 11-15 week-old infants might be promoted actively by the mother. She solved the tasks, consumed less food, and consumed it later than when foraging with older offspring or alone. Furthermore, the results indicate the possible importance of the third and fourth month of infancy as the crucial ontogenetic period for social learning in marmosets, corroborating recent observations of free-living common marmosets.
Authors:
Vera Dell'Mour; Friederike Range; Ludwig Huber
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  American journal of primatology     Volume:  71     ISSN:  1098-2345     ISO Abbreviation:  Am. J. Primatol.     Publication Date:  2009 Jun 
Date Detail:
Created Date:  2009-05-04     Completed Date:  2009-06-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8108949     Medline TA:  Am J Primatol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  503-9     Citation Subset:  IM    
Affiliation:
Department for Neurobiology and Cognition Research, University of Vienna, Wien, Austria. vera_dellmour@yahoo.de
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MeSH Terms
Descriptor/Qualifier:
Animals
Behavior, Animal*
Callithrix / psychology*
Female
Learning*
Mothers / psychology*
Social Behavior*
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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