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Pavlovian-to-instrumental transfer: paradoxical effects of the Pavlovian relationship explained

Cohen, Sabrina Rachel, Haddon, Josephine Elizabeth, George, David Noel and Honey, Robert Colin 2013. Pavlovian-to-instrumental transfer: paradoxical effects of the Pavlovian relationship explained. Journal of Experimental Psychology: Animal Behavior Processes 39 (1) , pp. 14-23. 10.1037/a0030594

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Abstract

Four experiments with rats examined the origin of outcome-selective Pavlovian-to-instrumental transfer (PIT). Experiment 1 used a standard procedure, where outcomes were embedded within extended conditioned stimuli (CSs), to demonstrate the basic effect: Pavlovian stimuli augmented instrumental lever presses that had been paired with the same outcomes. Experiments 2 and 3 showed that after instrumental conditioning, whereas a conditioned stimulus (CS) trained using a backward conditioning procedure produced outcome-selective PIT, forward conditioning with a CS did not. These results are consistent with the idea that backward conditioning results in the outcome provoking its associated instrumental response during the CS and thereby allows a stimulus–response association to be acquired that directly generates outcome-selective PIT at test. Experiment 4 provided direct support for the assumptions that underlie this stimulus-response analysis. These results, and other paradoxical effects of the Pavlovian relationship, are incongruent with accounts of outcome-selective PIT that rely on a stimulus-outcome-response chain.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Medicine
MRC Centre for Neuropsychiatric Genetics and Genomics
Neuroscience and Mental Health Research Institute (NMHRI)
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Uncontrolled Keywords: conditioning; outcome; PIT; stimulus-response; habit
Publisher: American Psychological Association
ISSN: 1939-2184
Funders: BBSRC
Last Modified: 04 Jun 2017 04:47
URI: http://orca.cf.ac.uk/id/eprint/44647

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