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ERIC Number: EJ863020
Record Type: Journal
Publication Date: 2010-Feb
Pages: 10
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0023-9690
Unpaired Shocks during Extinction Weaken the Contextual Renewal of a Conditioned Discrimination
Vervliet, Bram; Vansteenwegen, Deb; Hermans, Dirk
Learning and Motivation, v41 n1 p22-31 Feb 2010
Extinction is generally more fragile than conditioning, as illustrated by the contextual renewal effect. The traditional extinction procedure entails isolated presentations of the conditioned stimulus. Extinction may be boosted by adding isolated presentations of the unconditioned stimulus, as this should augment breaking the contingency between the two stimuli. In a human conditioning experiment with on-line expectancy ratings and electrodermal responding as dependent variables, 32 participants were differentially conditioned to two neutral figures using electric shock. After a change of context, one group received normal extinction treatment whereas another group received explicitly unpaired presentations of the figures and shock. At test, the two figures were presented in the original context again. For both measures, only the group that received normal extinction showed renewal of the conditioned discrimination. These results suggest that unpaired shocks during extinction strengthen the extinction learning. (Contains 2 figures and 1 table.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A