Document Detail


PERSISTENT BEHAVIOR MAINTAINED BY UNAVOIDABLE SHOCKS.
MedLine Citation:
PMID:  14055945     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Squirrel monkeys were trained on a multiple schedule in which 10-min periods on a continuous shock avoidance schedule, indicated by a yellow light, alternated with 10-min periods on a 1.5-min variable interval schedule of food reinforcement (VI 1.5). A white light indicated that VI 1.5 was in effect, except for the middle 2 min of the period on VI 1.5, in which a blue light appeared and terminated with the delivery of a 0.5-sec unavoidable shock. Stable response rates developed in the avoidance and VI 1.5 components. However, the highest response rates occurred in the blue, preshock stimulus. A series of experiments showed that responding in the blue stimulus persisted even when responding had been extinguished on both the VI schedule of food reinforcement and the shock avoidance schedule. Responding in the blue stimulus ceased when the blue stimulus terminated without shock or when it terminated with a response-contingent shock. Each time responding ceased, it was restored by terminating the blue stimulus with an unavoidable shock. When the blue stimulus was on throughout each session and unavoidable shocks were delivered at regular 10-min intervals, responding was well maintained. These results show that in monkeys that have been trained on a continuous avoidance schedule, unavoidable shocks can maintain responding even under conditions where responses have no programmed consequences.
Authors:
R T KELLEHER; W C RIDDLE; L COOK
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the experimental analysis of behavior     Volume:  6     ISSN:  0022-5002     ISO Abbreviation:  J Exp Anal Behav     Publication Date:  1963 Oct 
Date Detail:
Created Date:  1964-02-01     Completed Date:  1996-12-01     Revised Date:  2010-09-21    
Medline Journal Info:
Nlm Unique ID:  0203727     Medline TA:  J Exp Anal Behav     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  507-17     Citation Subset:  OM    
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MeSH Terms
Descriptor/Qualifier:
Avoidance Learning*
Behavior, Animal*
Electricity*
Extinction, Psychological*
Haplorhini*
Reinforcement (Psychology)*
Research*
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