Cited by 284Neurotransmitter Receptor Influence on BehaviorMotor Control and AdaptationNeural and Behavioral Psychology Studies

Neural mechanisms of reward-related motor learning

Wickens, Jeffery R, Reynolds, John NJ, Hyland, Brian I·2003·Current Opinion in Neurobiology

Abstract

The analysis of the neural mechanisms responsible for reward-related learning has benefited from recent studies of the effects of dopamine on synaptic plasticity. Dopamine-dependent synaptic plasticity may lead to strengthening of selected inputs on the basis of an activity-dependent conjunction of sensory afferent activity, motor output activity, and temporally related firing of dopamine cells. Such plasticity may provide a link between the reward-related firing of dopamine cells and the acquisition of changes in striatal cell activity during learning. This learning mechanism may play a special role in the translation of reward signals into context-dependent response probability or directional bias in movement responses.

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Crossref · 10.1016/j.conb.2003.10.013

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  • Cortical high-frequency stimulation has most frequently been observed to produce long-term depression at cortico-striatal synapses.

    “Cortical high-frequency stimulation has most frequently been observed to produce LTD at cortico-striatal synapses.”
  • Cortico-striatal synapses can undergo both long-term potentiation and long-term depression.

    “Cortico-striatal synapses can undergo both strengthening (long-term potentiation, or LTP), and weakening (long-term depression, or LTD; [32–33]).”
  • When dopamine is applied in brief pulses coinciding with the time of pre-synaptic stimulation and post-synaptic depolarization of the striatal cell, cortico-striatal synapses show potentiation rather than depression.

    “However, when dopamine is applied in brief pulses coinciding with the time of pre-synaptic stimulation and post-synaptic depolarization of the striatal cell, cortico-striatal synapses show potentiation rather than depression [33].”

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Authors
Wickens, J. R., Reynolds, J. N., & Hyland, B. I.
Affiliations
University of Otago (NZ)
Corresponding author
Wickens, Jeffery R
Venue
Current Opinion in Neurobiology
Publisher
Elsevier BV
Published
2003-12
Volume
13
Issue
6
Pages
685-690
ISSN
0959-4388 (ISSN-L)
OpenAlex
W2105511691
Cited by
284
References
56
Citations by year
2026: 2 · 2025: 6 · 2024: 25 · 2023: 9 · 2022: 11 · 2021: 11 · 2020: 16 · 2019: 11 · 2018: 5 · 2017: 7 · 2016: 7 · 2015: 14 · 2014: 18 · 2013: 8 · 2012: 16
FWCI
0.87
Type
journal article
Language
en
Open access
closed
Locations
  • Current Opinion in Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Royal Society
  • Health Research Council of New Zealand
  • Marsden Fund
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
dopamine, synaptic plasticity, striatum, activity-dependent plasticity, response probability, neural mechanisms of learning
MeSH terms
Animals, Brain, Cognition, Conditioning, Psychological, Humans, Movement, Reward

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