Document Detail

Chimpanzees (Pan troglodytes) remember the location of a hidden food item after altering their orientation to a spatial array.
MedLine Citation:
PMID:  17115859     Owner:  NLM     Status:  MEDLINE    
Two chimpanzees (Pan troglodytes) had a direct view of an experimenter placing a food item beneath one of several cups within a horizontal spatial array. The chimpanzees then were required to move around the spatial array, shifting their orientation to the array by 180 degrees . Both chimpanzees remembered the location of the food item. In the next experiment, a visual barrier was placed between the chimpanzees and the spatial array after the food item had been hidden to prevent visual tracking of the location of the object during the chimpanzees' movement. One chimpanzee remembered the location of the hidden item in this variation. These results demonstrate another capacity for spatial memory in this species that complements data indicating chimpanzee spatial memory for invisible displacements, array rotations, and array transpositions.
Megan L Hoffman; Michael J Beran
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural    
Journal Detail:
Title:  Journal of comparative psychology (Washington, D.C. : 1983)     Volume:  120     ISSN:  0735-7036     ISO Abbreviation:  J Comp Psychol     Publication Date:  2006 Nov 
Date Detail:
Created Date:  2006-11-22     Completed Date:  2007-02-06     Revised Date:  2007-12-03    
Medline Journal Info:
Nlm Unique ID:  8309850     Medline TA:  J Comp Psychol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  389-93     Citation Subset:  IM    
Department of Psychology and Language Research Center, Georgia State University, Atlanta, GA 30303, USA.
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MeSH Terms
Exploratory Behavior*
Feeding Behavior*
Pan troglodytes
Space Perception*
Spatial Behavior*
Visual Perception*
Grant Support

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