Cited by 263Neurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology StudiesDecision-Making and Behavioral Economics

Dopamine modulates novelty seeking behavior during decision making.

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Costa, Vincent D., Tran, Valery L., Turchi, Janita, Averbeck, Bruno B.·2014·Behavioral Neuroscience

Abstract

Novelty seeking refers to the tendency of humans and animals to explore novel and unfamiliar stimuli and environments. The idea that dopamine modulates novelty seeking is supported by evidence that novel stimuli excite dopamine neurons and activate brain regions receiving dopaminergic input. In addition, dopamine is shown to drive exploratory behavior in novel environments. It is not clear whether dopamine promotes novelty seeking when it is framed as the decision to explore novel options versus the exploitation of familiar options. To test this hypothesis, we administered systemic injections of saline or GBR-12909, a selective dopamine transporter (DAT) inhibitor, to monkeys and assessed their novelty seeking behavior during a probabilistic decision making task. The task involved pseudorandom introductions of novel choice options. This allowed monkeys the opportunity to explore novel options or to exploit familiar options that they had already sampled. We found that DAT blockade increased the monkeys' preference for novel options. A reinforcement learning (RL) model fit to the monkeys' choice data showed that increased novelty seeking after DAT blockade was driven by an increase in the initial value the monkeys assigned to novel options. However, blocking DAT did not modulate the rate at which the monkeys learned which cues were most predictive of reward or their tendency to exploit that knowledge. These data demonstrate that dopamine enhances novelty-driven value and imply that excessive novelty seeking-characteristic of impulsivity and behavioral addictions-might be caused by increases in dopamine, stemming from less reuptake.

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  • These triggers and states include novelty and other violations of expectations, active video game play, stress, and risk.

    “These triggers and states include novelty and other violations of expectations (Costa, Tran, Turchi, & Averbeck, 2014;Duzel, Bunzeck, Guitart-Masip, & Duzel, 2010;Murty & Adcock, 2014), active video game play (Koepp et al., 1998), stress (Lighthall, Gorlik, Schoeke, Frank, & Mather, 2013), and risk (Schultz, 2010).”

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  1. Stephens David W Krebs JR 1986 Foraging theory Princeton, N.J Princeton University Press

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Authors
Costa, V. D., Tran, V. L., Turchi, J., & Averbeck, B. B.
Affiliations
National Institutes of Health (US)
Venue
Behavioral Neuroscience
Published
2014
Volume
128
Issue
5
Pages
556-566
ISSN
  • 0735-7044 (ISSN-L)
  • 1939-0084
OpenAlex
W2133403871
Cited by
263
References
54
Citations by year
2026: 13 · 2025: 20 · 2024: 22 · 2023: 16 · 2022: 41 · 2021: 16 · 2020: 60 · 2019: 14 · 2018: 18 · 2017: 14 · 2016: 19 · 2015: 10
FWCI
6.56
Type
journal article
Language
en
Open access
Locations
  • Behavioral Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Social Sciences › Decision Sciences › General Decision Sciences › Decision-Making and Behavioral Economics
Keywords
dopamine, novelty seeking, decision-making, dopamine transporter, GBR 12909, exploration-exploitation, reinforcement learning models, impulsivity, behavioral addiction, dopamine reuptake
MeSH terms
Animals, Choice Behavior, Dopamine, Exploratory Behavior, Macaca mulatta, Male, Models, Psychological, Neuropsychological Tests, Piperazines, Probability, Reinforcement, Psychology, Dopamine Uptake Inhibitors, Dopamine Plasma Membrane Transport Proteins

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