Document Detail

How do tufted capuchin monkeys (Cebus apella) understand causality involved in tool use?
MedLine Citation:
PMID:  12884682     Owner:  NLM     Status:  MEDLINE    
Four tufted capuchin monkeys (Cebus apella) were trained to choose from 2 hook-like tools, 1 of which successfully led to collecting food, whereas the other did not because of inappropriate spatial arrangement of the tool and the food. In Experiment 1, all of the monkeys successfully learned the basic task. The monkeys performed successfully with tools of novel colors and shapes in Experiments 2-5. These results demonstrate that the monkeys used the spatial arrangement of the tool and the food as a cue. However, they failed when there were obstacles (Experiment 6) or traps (Experiment 7) on the path along which the monkeys dragged tools. These results may suggest that capuchin monkeys understand the spatial relationship between 2 items, namely, food and the tool, but do not understand the spatial relationship among 3 items, namely, food, tool, and the environmental condition. The possible role of stimulus generalization is also considered.
Kazuo Fujita; Hika Kuroshima; Saori Asai
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of experimental psychology. Animal behavior processes     Volume:  29     ISSN:  0097-7403     ISO Abbreviation:  J Exp Psychol Anim Behav Process     Publication Date:  2003 Jul 
Date Detail:
Created Date:  2003-07-29     Completed Date:  2004-01-28     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7504289     Medline TA:  J Exp Psychol Anim Behav Process     Country:  United States    
Other Details:
Languages:  eng     Pagination:  233-42     Citation Subset:  IM    
Graduate School of Letters, Kyoto University, Sakyo, Kyoto 606-8501, Japan.
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MeSH Terms
Appetitive Behavior*
Cebus / psychology*
Choice Behavior
Concept Formation*
Discrimination Learning
Problem Solving*
Psychomotor Performance*
Social Environment

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

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