The role of contextual conditioning in the effect of reinforcer devaluation on instrumental performance by rats

Jonkman, Sietse, Kosaki, Yutaka, Everitt, Barry J. and Dickinson, Anthony 2010. The role of contextual conditioning in the effect of reinforcer devaluation on instrumental performance by rats. Behavioural Processes 83 (3) , pp. 276-281. 10.1016/j.beproc.2009.12.017

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Abstract

Different groups of rats received different amounts of training to lever press for a food reinforcer before an aversion was conditioned to the food. This devaluation of the reinforcer reduced responding in both subsequent extinction and reinforced tests of responding to a degree that was independent of the amount of instrumental training. Moreover, interpolating context extinction between aversion conditioning and the extinction test reduced the magnitude of the devaluation effect, thereby indicating that Pavlovian contextual conditioning may play a role in the instrumental devaluation effect.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Psychology
Subjects:	B Philosophy. Psychology. Religion > BF Psychology
Uncontrolled Keywords:	Reinforcer devaluation; Pavlovian vs. instrumental processes; Context extinction; Goal-directed; Habitual; Lithium chloride
Publisher:	Elsevier
ISSN:	0376-6357
Last Modified:	19 Mar 2016 23:16
URI:	https://orca.cardiff.ac.uk/id/eprint/45397

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