Cited by 195Neurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology StudiesNeuroscience and Neuropharmacology Research

Ventral Striatal Dopamine Modulation of Different Forms of Behavioral Flexibility

Haluk, Desirae M, Floresco, Stan B·2009·Neuropsychopharmacology

Abstract

Different forms of behavioral flexibility are facilitated by interactions between separate regions of the prefrontal cortex and their striatal outputs. However, the contribution of ventral striatal dopamine (DA) to these functions is unclear. The present study assessed the involvement of DA receptors in the nucleus accumbens (NAc) core on either between- or within-strategy shifts using operant chamber-based tasks. Strategy set-shifting required rats initially to learn a visual-cue discrimination and, on the following day, shift to using an egocentric spatial response strategy to obtain reward. For reversal learning, rats were initially trained on a response discrimination and then required to select the opposite lever to receive food reward. Intra-NAc microinfusions of D(1) (SCH23390) but not D(2) (eticlopride) receptor antagonists impaired set-shifting, disrupting the maintenance of a new strategy. Conversely, supranormal activation of D(2) (quinpirole) but not D(1) (SKF81297) receptors also impaired set-shifting, inducing perseverative deficits. However, only infusions of the D(2) agonist impaired reversal learning, but did so without disrupting initial response learning. Thus, mesoaccumbens DA, acting on D(1) receptors, selectively facilitates complex forms of flexibility requiring shifts between different strategies, but does not appear to contribute to simpler forms of flexibility entailing shifts of specific stimulus-reward associations. In contrast, abnormal increases…

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Crossref · 10.1038/npp.2009.21

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Authors
Haluk, D. M., & Floresco, S. B.
Affiliations
University of British Columbia (CA)
Corresponding author
Floresco, Stan B
Venue
Neuropsychopharmacology
Published
2009-03-04
Volume
34
Issue
8
Pages
2041-2052
ISSN
  • 0893-133X (ISSN-L)
  • 1740-634X
OpenAlex
W1994892862
Cited by
195
References
5
Citations by year
2026: 1 · 2025: 9 · 2024: 6 · 2023: 9 · 2022: 9 · 2021: 7 · 2020: 10 · 2019: 11 · 2018: 17 · 2017: 10 · 2016: 12 · 2015: 13 · 2014: 17 · 2013: 17 · 2012: 15
FWCI
6.47
Type
journal article
Language
en
Open access
closed
Locations
  • Neuropsychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
ventral striatum, dopamine, behavioral flexibility, set-shifting, reversal learning, nucleus accumbens, dopamine D1 receptor, dopamine D2 receptor, perseveration, executive function
MeSH terms
Animals, Behavior, Animal, Cognition, Conditioning, Operant, Cues, Discrimination Learning, Dopamine, Learning, Neural Pathways, Neuropsychological Tests, Nucleus Accumbens, Photic Stimulation, Receptors, Dopamine, Reward, Thinking, Receptors, Dopamine D1, Receptors, Dopamine D2, Ventral Tegmental Area, Dopamine Agonists, Dopamine Antagonists, Rats, Long-Evans, Rats

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