Cited by 427Neurotransmitter Receptor Influence on BehaviorMemory and Neural MechanismsNeurological disorders and treatments

Effect of the nigrostriatal dopamine system on acquired neural responses in the striatum of behaving monkeys

Aosaki, Toshihiko, Graybiel, Ann M., Kimura, Minoru·1994·Science

Abstract

Dysfunction of the nigrostriatal dopamine system results in marked disorders of movement such as occur in Parkinson's disease. Functions of this dopamine-containing projection system were examined in monkeys trained in a classical conditioning task, and the effects of striatal dopamine depletion were tested. Unilateral dopamine loss substantially reduced the acquired sensory responsiveness of striatal neurons monitored electrophysiologically. This effect was ipsilateral and selective, and could be reversed by apomorphine. These results suggest that the primate nigrostriatal system modulates expression of neuronal response plasticity in the striatum during sensorimotor learning.

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Crossref · 10.1126/science.8023166

Cites

31 of 31 references verified0 citation errors · 0 not checkable

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  • Dopamine depletion prevents the acquisition of sensory responses in striatal cells.

    “As this model predicts, sensory responses are acquired in striatal cells over the course of reinforcement learning, and dopamine depletion prevents the acquisition of these responses [37, 39].”
  • Sensory responses are acquired in striatal cells over the course of reinforcement learning.

    “As this model predicts, sensory responses are acquired in striatal cells over the course of reinforcement learning, and dopamine depletion prevents the acquisition of these responses [37, 39].”

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Authors
Aosaki, T., Graybiel, A. M., & Kimura, M.
Affiliations
  • Massachusetts Institute of Technology (US)
  • The University of Osaka (JP)
Venue
Science
Published
1994-07-15
Volume
265
Issue
5170
Pages
412-415
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2076464393
Cited by
427
References
31
Citations by year
2026: 12 · 2025: 16 · 2024: 10 · 2023: 4 · 2022: 18 · 2021: 9 · 2020: 10 · 2019: 12 · 2018: 10 · 2017: 13 · 2016: 15 · 2015: 13 · 2014: 9 · 2013: 9 · 2012: 12
FWCI
4.24
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (R01 NS25529, R01NS025529)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
nigrostriatal dopamine system, striatum, dopamine depletion, sensorimotor learning, classical conditioning, apomorphine, Parkinson's disease, primate behavior
MeSH terms
Action Potentials, Animals, Apomorphine, Behavior, Animal, Conditioning, Classical, Corpus Striatum, Dopamine, Haloperidol, Macaca, Male, Neuronal Plasticity, Neurons, Substantia Nigra, 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine

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