Document Detail


Savings in classical conditioning in the rabbit as a function of extended extinction.
MedLine Citation:
PMID:  18450069     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In the present experiments, savings phenomena following a limited amount of initial acquisition and extended extinction were examined. Experiments 1 and 2 compared rates of reacquisition following brief acquisition and various amounts of extinction in conditioning of the rabbit's nictitating membrane and heart rate response, respectively. Experiment 3 compared rates of acquisition to a novel stimulus (e.g., light) following brief acquisition and various amounts of extinction to another stimulus (e.g., tone). In addition, in Experiment 3 recovery of responding to the extinguished stimulus during acquisition to the novel, cross-modal stimulus was examined. Experiments 1, 2, and 3 demonstrated that with a limited number of acquisition trials (1) there was a graded reduction in the rate of reacquisition as a function of the number of extinction trials in both conditioning preparations, (2) there was a graded reduction in the rate of cross-modal acquisition as a function of the number of extinction trials, but (3), in Experiment 3, recovery of responding to the extinguished stimulus during cross-modal training of the novel stimulus appeared uniformly robust even in the face of extended extinction.
Authors:
Gabrielle Weidemann; E James Kehoe
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Learning & behavior     Volume:  31     ISSN:  1543-4494     ISO Abbreviation:  Learn Behav     Publication Date:  2003 Feb 
Date Detail:
Created Date:  2008-05-02     Completed Date:  2008-05-30     Revised Date:  2011-01-24    
Medline Journal Info:
Nlm Unique ID:  101155056     Medline TA:  Learn Behav     Country:  United States    
Other Details:
Languages:  eng     Pagination:  49-68     Citation Subset:  IM    
Affiliation:
University of New South Wales, Sydney, Australia.
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MeSH Terms
Descriptor/Qualifier:
Animals
Conditioning, Classical / physiology*
Extinction, Psychological*
Rabbits
Time Factors

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


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