Cited by 678Neural and Behavioral Psychology StudiesNeurotransmitter Receptor Influence on BehaviorDecision-Making and Behavioral Economics

Prefrontal cortex and decision making in a mixed-strategy game

Barraclough, Dominic J, Conroy, Michelle L, Lee, Daeyeol·2004·Nature Neuroscience

Abstract

In a multi-agent environment, where the outcomes of one's actions change dynamically because they are related to the behavior of other beings, it becomes difficult to make an optimal decision about how to act. Although game theory provides normative solutions for decision making in groups, how such decision-making strategies are altered by experience is poorly understood. These adaptive processes might resemble reinforcement learning algorithms, which provide a general framework for finding optimal strategies in a dynamic environment. Here we investigated the role of prefrontal cortex (PFC) in dynamic decision making in monkeys. As in reinforcement learning, the animal's choice during a competitive game was biased by its choice and reward history, as well as by the strategies of its opponent. Furthermore, neurons in the dorsolateral prefrontal cortex (DLPFC) encoded the animal's past decisions and payoffs, as well as the conjunction between the two, providing signals necessary to update the estimates of expected reward. Thus, PFC might have a key role in optimizing decision-making strategies.

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Crossref · 10.1038/nn1209

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  • Neural activity in all three cortical areas carries the information of past reward events.

    “Neural activity in all three cortical areas carries the information of past reward events19-22.”
  • In the matching pennies task, the animals made their decisions largely on the basis of their reward history.

    “Although the global optimal strategy for the matching pennies task is to choose randomly and therefore does not require memory, the animals made their decisions largely on the basis of their reward history11,19-22.”
  • Although the overall performance of monkeys was nearly optimal, their trial-by-trial decisions, locally in time, were influenced by previous rewards and actions.

    “Although the overall performance of monkeys was nearly optimal, their trial-by-trial decisions, locally in time, were influenced by previous rewards and actions11,19-22.”
  • Single neurons in a number of cortical areas have activity correlated with reinforcer frequency and magnitude.

    “Single neurons in a number of cortical areas have activity correlated with reinforcer frequency (Barraclough, Conroy, & Lee, 2004; Platt & Glimcher, 1999; Sugrue et al., 2004) and magnitude (Platt & Glimcher, 1999).”

    From DYNAMIC RESPONSE-BY-RESPONSE MODELS OF MATCHING BEHAVIOR IN RHESUS MONKEYS (2005) · cites this paper as Barraclough, Conroy, & Lee, 2004

  • These neurons send dense projections to prefrontal cortex and striatum, and current evidence suggests these areas may use a prediction error to estimate reinforcer rate.

    “These neurons send dense projections to the prefrontal cortex and the striatum, and current evidence suggests that these areas may use a prediction error to estimate reinforcer rate (Barraclough et al., 2004; Haruno et al., 2004; O'Doherty et al., 2004).”

    From DYNAMIC RESPONSE-BY-RESPONSE MODELS OF MATCHING BEHAVIOR IN RHESUS MONKEYS (2005) · cites this paper as Barraclough et al., 2004

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Authors
Barraclough, D. J., Conroy, M. L., & Lee, D.
Affiliations
University of Rochester (US)
Corresponding author
Lee, Daeyeol
Venue
Nature Neuroscience
Published
2004-03-07
Volume
7
Issue
4
Pages
404-410
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2102068574
Cited by
678
References
58
Citations by year
2026: 13 · 2025: 24 · 2024: 26 · 2023: 23 · 2022: 21 · 2021: 37 · 2020: 28 · 2019: 26 · 2018: 25 · 2017: 29 · 2016: 26 · 2015: 28 · 2014: 35 · 2013: 29 · 2012: 41
FWCI
19.00
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Eye Institute (EY01319, P30EY001319)
  • National Institute of Neurological Disorders and Stroke (R01NS044270, NS44270)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Social Sciences › Decision Sciences › General Decision Sciences › Decision-Making and Behavioral Economics
Keywords
prefrontal cortex, dorsolateral prefrontal cortex, decision-making, mixed strategy game, reinforcement learning, opponent modeling, reward history, multi-agent decision making
MeSH terms
Animals, Choice Behavior, Electrophysiology, Evoked Potentials, Game Theory, Macaca mulatta, Male, Mental Processes, Neurons, Practice, Psychological, Probability Learning, Prefrontal Cortex

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