Cited by 69Neural and Behavioral Psychology StudiesNeurotransmitter Receptor Influence on BehaviorMemory and Neural Mechanisms

Functional heterogeneity within the rodent lateral orbitofrontal cortex dissociates outcome devaluation and reversal learning deficits

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Panayi, Marios C, Killcross, Simon·2018·eLife

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Abstract

The orbitofrontal cortex (OFC) is critical for updating reward-directed behaviours flexibly when outcomes are devalued or when task contingencies are reversed. Failure to update behaviour in outcome devaluation and reversal learning procedures are considered canonical deficits following OFC lesions in non-human primates and rodents. We examined the generality of these findings in rodents using lesions of the rodent lateral OFC (LO) in instrumental action-outcome and Pavlovian cue-outcome devaluation procedures. LO lesions disrupted outcome devaluation in Pavlovian but not instrumental procedures. Furthermore, although both anterior and posterior LO lesions disrupted Pavlovian outcome devaluation, only posterior LO lesions were found to disrupt reversal learning. Posterior but not anterior LO lesions were also found to disrupt the attribution of motivational value to Pavlovian cues in sign-tracking. These novel dissociable task- and subregion-specific effects suggest a way to reconcile contradictory findings between rodent and non-human primate OFC research.

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  • OFC has no, or limited, contribution to behavior flexibility and defining decision strategies.

    “In addition, other prior studies have shown the OFC has no, or a limited contribution to behavior flexibility and defining decision strategies45,46.”

    From Dissociable roles of prefrontal plasticity in decision-making strategy and execution of habitual behavior (2026) · cites this paper as [46]

    The Discussion reports that OFC lesions did not impair instrumental flexibility after outcome devaluation, supporting a limited role in that task. But it also reports a role in Pavlovian flexibility and a reversal-learning deficit after posterior lateral OFC lesions. The paper does not establish the broader claim that the OFC has no or limited contribution to defining decision strategies. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Rewarded experience updates the model for stimulus-response-outcome associations when using a model-based learning strategy.

    “As conceptualized by computational studies2,41,46, rewarded experience updates the model for stimulus-response-outcome associations when using a model-based learning strategy.”

    From Dissociable roles of prefrontal plasticity in decision-making strategy and execution of habitual behavior (2026) · cites this paper as [46]

    The Discussion’s “Theoretical accounts of OFC function” section describes learned stimulus–reward associations as part of a model of task structure, and the Introduction says behavior is updated when reward contingencies change. But the paper does not specifically say that rewarded experience updates a model of stimulus–response–outcome associations; its discussion distinguishes Pavlovian cue–outcome relationships from instrumental actions. No page numbers are available in our copy. (LLM, conf=0.83)

    Experimental — accuracy not yet measured
  • This is consistent with intact acquisition of Pavlovian responses but impaired reversal learning in OFC-lesioned animals.

    “This is consistent with the reported intact acquisition of Pavlovian responses, but impaired reversal learning in OFC‐lesioned animals.”

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References 99 · Cited by 69

Research works printed but not linked: 2

  1. Paxinos G Watson C 1997 The Rat Brain in Stereotaxic Coordinates(3rd Ed) San Diego Academic Press
  2. Rolls ET 2014 Emotion and Decision-Making explained(First Edit) New York Oxford University Press

Authors
Panayi, M. C., & Killcross, S.
Affiliations
UNSW Sydney (AU)
Corresponding author
Panayi, Marios C
Venue
eLife
Published
2018-07-25
Volume
7
ISSN
2050-084X (ISSN-L)
OpenAlex
W2883883444
Cited by
69
References
99
Citations by year
2026: 3 · 2025: 3 · 2024: 6 · 2023: 6 · 2022: 12 · 2021: 20 · 2020: 4 · 2019: 14 · 2018: 1
FWCI
5.81
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Australian Research Council (DP0989027, DP120103564)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
orbitofrontal cortex, lateral orbitofrontal cortex, outcome devaluation, reversal learning, classical conditioning, operant conditioning, sign-tracking, motivational value, functional heterogeneity
MeSH terms
Animals, Conditioning, Psychological, Male, Motor Activity, Reversal Learning, Taste, Prefrontal Cortex, Rats, Long-Evans

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