Document Detail

Dynamic object individuation in rhesus macaques: a study of the tunnel effect.
MedLine Citation:
PMID:  15563323     Owner:  NLM     Status:  MEDLINE    
A manual-search experiment with rhesus monkeys (Macaca mulatta) explored dynamic object individuation in the tunnel effect: Subjects watched as a lemon rolled down a ramp and came to rest behind a tunnel (Occluder 1) and then as a kiwifruit emerged and became occluded at the end of its path behind a screen (Occluder 2). When the kiwifruit emerged at about the time that the lemon should have (had it continued its motion), subjects searched for food only behind Occluder 2-apparently perceiving the lemon to have transformed into a kiwifruit on the basis of spatiotemporally continuous motion. In contrast, when a brief pause interrupted the occlusion of the lemon and the emergence of the kiwifruit, monkeys searched for food behind both occluders. With further control conditions, this experiment demonstrates a spatiotemporal bias-similar to a bias found in adult visual perception-in the computation of object persistence in the context of a dynamic correspondence problem.
Jonathan I Flombaum; Shannon M Kundey; Laurie R Santos; Brian J Scholl
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Psychological science     Volume:  15     ISSN:  0956-7976     ISO Abbreviation:  Psychol Sci     Publication Date:  2004 Dec 
Date Detail:
Created Date:  2004-11-25     Completed Date:  2005-02-01     Revised Date:  2011-05-20    
Medline Journal Info:
Nlm Unique ID:  9007542     Medline TA:  Psychol Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  795-800     Citation Subset:  IM    
Department of Psychology, Yale University, New Haven, CT 06520, USA.
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MeSH Terms
Attention / physiology
Behavior, Animal / physiology
Concept Formation / physiology*
Macaca mulatta
Motion Perception / physiology*
Space Perception / physiology*
Visual Perception / physiology*
Grant Support
CM-5-P40RR003640-13/CM/NCI NIH HHS

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