Document Detail

Immediacy versus anticipated delay in the time-left experiment: a test of the cognitive hypothesis.
MedLine Citation:
PMID:  14709114     Owner:  NLM     Status:  MEDLINE    
In the time-left experiment (J. Gibbon & R. M. Church, 1981), animals are said to compare an expectation of a fixed delay to food, for one choice, with a decreasing delay expectation for the other, mentally representing both upcoming time to food and the difference between current time and upcoming time (the cognitive hypothesis). The results of 2 experiments support a simpler view: that animals choose according to the immediacies of reinforcement for each response at a time signaled by available time markers (the temporal control hypothesis). It is not necessary to assume that animals can either represent or subtract representations of times to food to explain the results of the time-left experiment.
D T Cerutti; J E R Staddon
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of experimental psychology. Animal behavior processes     Volume:  30     ISSN:  0097-7403     ISO Abbreviation:  J Exp Psychol Anim Behav Process     Publication Date:  2004 Jan 
Date Detail:
Created Date:  2004-01-07     Completed Date:  2004-05-19     Revised Date:  2010-09-21    
Medline Journal Info:
Nlm Unique ID:  7504289     Medline TA:  J Exp Psychol Anim Behav Process     Country:  United States    
Other Details:
Languages:  eng     Pagination:  45-57     Citation Subset:  IM    
Department of Psychological and Brain Sciences, Duke University, Durham, NC 27708-1050, USA.
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MeSH Terms
Choice Behavior / physiology*
Cognition / physiology*
Models, Psychological
Psychological Theory
Reinforcement (Psychology)*
Reinforcement Schedule*
Time Perception / physiology*
Grant Support
R01 MH064442-02/MH/NIMH NIH HHS

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