Behavioural evidence for parallel outcome-sensitive and outcome-insensitive Pavlovian learning systems in humans
There is a dichotomy in instrumental conditioning between goal-directed actions and habits that are distinguishable on the basis of their relative sensitivity to changes in outcome value. It is less clear whether a similar distinction applies in Pavlovian conditioning, where responses have been found to be predominantly outcome sensitive. To test for both devaluation insensitive and devaluation sensitive Pavlovian conditioning in humans, we conducted four experiments combining Pavlovian conditioning and outcome devaluation procedures while measuring multiple conditioned responses. Our results suggest that Pavlovian conditioning involves two distinct types of learning: one that learns the current value of the outcome which is sensitive to devaluation, and one that learns about the spatial localisation of the outcome which is insensitive to devaluation. Our findings have implications for the mechanistic understanding of Pavlovian conditioning and provide a more nuanced understanding of Pavlovian mechanisms that might contribute to a number of psychiatric disorders.
| Errataetall: |
CommentIn: Nat Hum Behav. 2019 Mar;3(3):212-213. - PMID 30953021 |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:3 |
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| Enthalten in: |
Nature human behaviour - 3(2019), 3 vom: 08. März, Seite 284-296 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Pool, Eva R [VerfasserIn] |
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Date Revised 06.10.2023 published: Print-Electronic CommentIn: Nat Hum Behav. 2019 Mar;3(3):212-213. - PMID 30953021 Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1038/s41562-018-0527-9 |
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| funding: |
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NLM295050640 |
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| 520 | |a There is a dichotomy in instrumental conditioning between goal-directed actions and habits that are distinguishable on the basis of their relative sensitivity to changes in outcome value. It is less clear whether a similar distinction applies in Pavlovian conditioning, where responses have been found to be predominantly outcome sensitive. To test for both devaluation insensitive and devaluation sensitive Pavlovian conditioning in humans, we conducted four experiments combining Pavlovian conditioning and outcome devaluation procedures while measuring multiple conditioned responses. Our results suggest that Pavlovian conditioning involves two distinct types of learning: one that learns the current value of the outcome which is sensitive to devaluation, and one that learns about the spatial localisation of the outcome which is insensitive to devaluation. Our findings have implications for the mechanistic understanding of Pavlovian conditioning and provide a more nuanced understanding of Pavlovian mechanisms that might contribute to a number of psychiatric disorders | ||
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