Daniel Alarc�n
The effect of conditioned inhibition on the specific Pavlovian-instrumental transfer effect
Alarc�n, Daniel; Bonardi, Charlotte
Abstract
Four experiments examined the effect of Pavlovian conditioned inhibition on specific Pavlovian-instrumental transfer (PIT) in human participants. The task comprised an instrumental phase in which two responses (R1, R2) were each paired with one of two outcomes (O1, O2: R1-->O1, R2-->O2), and a Pavlovian phase, in which two CSs, CS1 and CS2 each signalled one of the two outcomes (CS1-->O1, CS2-->O2). In Experiments 1-2 a conditioned inhibitor, X, predicted the omission of one of the outcomes (e.g. CS1-->O1, CS1X-->nothing). In a subsequent test, performance of R1 and R2 was examined in the presence of CS1 and CS2. A specific PIT effect was observed: R1 was performed more than R2 during CS1, and R2 more than R1 during CS2. This PIT effect was significantly reduced by the presence of the inhibitor X in Experiment 1, in which the Pavlovian phase followed the instrumental phase, and in Experiment 2 in which it preceded it. No such effect was observed when X was presented in the absence of any expectation of the outcomes during the PIT test (Experiment 3a), or when X was trained as a signal for an alternative outcome (Experiment 3b). These results are consistent with the suggestion that the specific PIT effect occurs through a stimulus-outcome-response (S-O-R) mechanism, according to which the CS evokes a representation of the outcome which in turn elicits the response (e.g. CS1-->O1-->R1). The conditioned inhibitor suppresses performance of the response by suppressing activation of the outcome representation.
Citation
Alarcón, D., & Bonardi, C. (2016). The effect of conditioned inhibition on the specific Pavlovian-instrumental transfer effect. Journal of Experimental Psychology: Animal Learning and Cognition, 42(1), 82-94. https://doi.org/10.1037/xan0000087
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 2, 2015 |
Publication Date | Jan 1, 2016 |
Deposit Date | Oct 9, 2015 |
Publicly Available Date | Jan 1, 2016 |
Journal | Journal of Experimental Psychology: Animal Learning and Cognition |
Print ISSN | 2329-8456 |
Electronic ISSN | 2329-8464 |
Publisher | American Psychological Association |
Peer Reviewed | Peer Reviewed |
Volume | 42 |
Issue | 1 |
Pages | 82-94 |
DOI | https://doi.org/10.1037/xan0000087 |
Public URL | https://nottingham-repository.worktribe.com/output/767645 |
Publisher URL | http://psycnet.apa.org/psycarticles/2015-51339-001 |
Related Public URLs | http://www.apa.org/pubs/journals/xan/index.aspx |
Additional Information | This article may not exactly replicate the final version published in the APA journal. It is not the copy of record. |
Contract Date | Oct 9, 2015 |
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