Cited by 310Neurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology StudiesMemory and Neural Mechanisms

The temporal precision of reward prediction in dopamine neurons

Fiorillo, Christopher D, Newsome, William T, Schultz, Wolfram·2008·Nature Neuroscience

Abstract

Midbrain dopamine neurons are activated when reward is greater than predicted, and this error signal could teach target neurons both the value of reward and when it will occur. We used the dopamine error signal to measure how the expectation of reward was distributed over time. Animals were trained with fixed-duration intervals of 1-16 s between conditioned stimulus onset and reward. In contrast to the weak responses that have been observed after short intervals (1-2 s), activations to reward increased steeply and linearly with the logarithm of the interval. Results with varied stimulus-reward intervals suggest that the neural expectation was substantial after just half an interval had elapsed. Thus, the neural expectation of reward in these experiments was not highly precise and the precision declined sharply with interval duration. The neural precision of expectation appeared to be at least qualitatively similar to the precision of anticipatory licking behavior.

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Crossref · 10.1038/nn.2159

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  • Precision is thought to be signaled by neuromodulators such as dopamine and acetylcholine, depending on the particular inferential hierarchy.

    “Precision is thought to be signaled by neuromodulators such as dopamine and acetylcholine, depending on the particular inferential hierarchy (21–23).”

    From The Predictive Coding Account of Psychosis (2018) · cites this paper as [21]

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Authors
Fiorillo, C. D., Newsome, W. T., & Schultz, W.
Affiliations
  • Stanford University (US)
  • University of Cambridge (GB)
Corresponding author
Fiorillo, Christopher D
Venue
Nature Neuroscience
Published
2008-07-27
Volume
11
Issue
8
Pages
966-973
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2099119340
Cited by
310
References
39
Citations by year
2026: 4 · 2025: 9 · 2024: 18 · 2023: 10 · 2022: 16 · 2021: 14 · 2020: 22 · 2019: 23 · 2018: 19 · 2017: 17 · 2016: 15 · 2015: 18 · 2014: 18 · 2013: 22 · 2012: 17
FWCI
9.66
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • Wellcome Trust (095495)
  • National Eye Institute (EY 05603)
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 › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
dopaminergic neurons, reward prediction error, temporal precision, reward anticipation, midbrain dopamine, fixed-interval schedules
MeSH terms
Animals, Conditioning, Psychological, Female, Forecasting, Macaca fascicularis, Macaca mulatta, Mesencephalon, Photic Stimulation, Random Allocation, Reward, Anticipation, Psychological, Dopaminergic Neurons

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