Cited by 173Neural and Behavioral Psychology StudiesNeurotransmitter Receptor Influence on BehaviorNeural dynamics and brain function

Stable representations of decision variables for flexible behavior

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Bari, Bilal A., Grossman, Cooper D., Lubin, Emily E., Rajagopalan, Adithya E., Cressy, Jianna I., Cohen, Jeremiah Y.·2019·Neuron

Abstract

Decisions occur in dynamic environments. In the framework of reinforcement learning, the probability of performing an action is influenced by decision variables. Discrepancies between predicted and obtained rewards (reward prediction errors) update these variables, but they are otherwise stable between decisions. Although reward prediction errors have been mapped to midbrain dopamine neurons, it is unclear how the brain represents decision variables themselves. We trained mice on a dynamic foraging task in which they chose between alternatives that delivered reward with changing probabilities. Neurons in the medial prefrontal cortex, including projections to the dorsomedial striatum, maintained persistent firing rate changes over long timescales. These changes stably represented relative action values (to bias choices) and total action values (to bias response times) with slow decay. In contrast, decision variables were weakly represented in the anterolateral motor cortex, a region necessary for generating choices. Thus, we define a stable neural mechanism to drive flexible behavior.

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Crossref · 10.1016/j.neuron.2019.06.001

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  • Brain regions recruited by the dynamic foraging task are not required for the dynamic Pavlovian task.

    “Also, the dynamic foraging task engages regions of the brain that are not necessary for the dynamic Pavlovian task.43”

    From Serotonin neurons modulate learning rate through uncertainty (2022) · cites this paper as [43]

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Authors
Bari, B. A., Grossman, C. D., Lubin, E. E., Rajagopalan, A. E., Cressy, J. I., & Cohen, J. Y.
Affiliations
Johns Hopkins University (US)
Corresponding author
Cohen, Jeremiah Y.
Venue
Neuron
Publisher
Elsevier BV
Published
2019-09
Volume
103
Issue
5
Pages
922-933.e7
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2953886068
Cited by
173
References
91
Citations by year
2026: 19 · 2025: 25 · 2024: 25 · 2023: 30 · 2022: 20 · 2021: 30 · 2020: 19 · 2019: 3 · 2018: 1
FWCI
10.46
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Neurological Disorders and Stroke
  • Brain and Behavior Research Foundation
  • Esther A. and Joseph Klingenstein Fund
  • National Institute on Drug Abuse
  • Whitehall Foundation
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 › Neural dynamics and brain function
Keywords
decision variables, behavioral flexibility, reward prediction error, medial prefrontal cortex, dorsomedial striatum, choice bias, reaction time (psychology), dopamine, mice
MeSH terms
Animals, Appetitive Behavior, Decision Making, Motor Cortex, Neural Pathways, Neurons, Probability, Reinforcement, Psychology, Reward, Neostriatum, Prefrontal Cortex, Mice, Electrophysiological Phenomena

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