Cited by 76Neural and Behavioral Psychology StudiesMemory and Neural MechanismsNeurotransmitter Receptor Influence on Behavior

Orbitofrontal inactivation impairs reversal of Pavlovian learning by interfering with ‘disinhibition’ of responding for previously unrewarded cues

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Burke, Kathryn A., Takahashi, Yuji K., Correll, Jessica, Leon Brown, P., Schoenbaum, Geoffrey·2009·European Journal of Neuroscience

Abstract

Orbitofrontal cortex (OFC) is critical for reversal learning. Reversal deficits are typically demonstrated in complex settings that combine Pavlovian and instrumental learning. Yet recent work has implicated the OFC specifically in behaviors guided by cues and the features of the specific outcomes they predict. To test whether the OFC is important for reversing such Pavlovian associations in the absence of confounding instrumental requirements, we trained rats on a simple Pavlovian task in which two auditory cues were presented, one paired with a food pellet reward and the other presented without reward. After learning, we reversed the cue–outcome associations. For half the rats, OFC was inactivated prior to each reversal session. Inactivation of OFC impaired the ability of the rats to reverse conditioned responding. This deficit reflected the inability of inactivated rats to develop normal responding for the previously unrewarded cue; inactivation of OFC had no impact on the ability of the rats to inhibit responding to the previously rewarded cue. These data show that OFC is critical to reversal of Pavlovian responding, and that the role of OFC in this behavior cannot be explained as a simple deficit in response inhibition. Furthermore, the contrast between the normal inhibition of responding, reported here, and impaired inhibition of responding during Pavlovian over‐expectation, reported previously, suggests the novel hypothesis that OFC may be particularly critical for learning (or behavior) when it requires the subject to generate predictions about outcomes by bringing together or integrating disparate pieces of associative information.

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Crossref · 10.1111/j.1460-9568.2009.06992.x

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  1. Schoenbaum G Setlow B Gallagher M Squire L Schacter D 2002a Orbitofrontal Cortex: Modeling Prefrontal Function in Rats The Neuropsychology of Memory, 3 Edition 463 477 New York Guilford Press

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Authors
Burke, K. A., Takahashi, Y. K., Correll, J., Leon Brown, P., & Schoenbaum, G.
Affiliations
University of Maryland, Baltimore (US)
Venue
European Journal of Neuroscience
Publisher
Wiley
Published
2009-11
Volume
30
Issue
10
Pages
1941-1946
ISSN
  • 0953-816X (ISSN-L)
  • 1460-9568
OpenAlex
W2033316793
Cited by
76
References
51
Citations by year
2026: 1 · 2025: 1 · 2024: 6 · 2023: 2 · 2022: 8 · 2021: 4 · 2020: 4 · 2019: 6 · 2018: 2 · 2017: 2 · 2016: 4 · 2015: 8 · 2014: 7 · 2013: 5 · 2012: 4
FWCI
2.58
Type
journal article
Language
en
Open access
Locations
  • European Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute on Aging (R01AG027097)
  • National Institute of Mental Health (R01MH080865)
  • National Institute on Drug Abuse (R01DA015718, F31DA021989)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
orbitofrontal cortex, reversal learning, classical conditioning, response inhibition, disinhibition, cue-outcome associations, rats
MeSH terms
Animals, Baclofen, Conditioning, Classical, Drug Combinations, Inhibition, Psychological, Learning Disabilities, Muscimol, Reward, Prefrontal Cortex, GABA Agonists, Rats, Long-Evans, Rats

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