Cited by 374Motor Control and AdaptationMemory and Neural MechanismsNeurological disorders and treatments

Differential roles of monkey striatum in learning of sequential hand movement

Miyachi, S., Hikosaka, O., Miyashita, K., Kárádi, Z., Rand, M. K.·1997·Experimental Brain Research

Abstract

To study the role of the basal ganglia in learning of sequential movements, we trained two monkeys to perform a sequential button-press task (2x5 task). This task enabled us to examine the process of learning new sequences as well as the execution of well-learned sequences repeatedly. We injected muscimol (a GABA agonist) into different parts of the striatum to inactivate the local neural activity reversibly. The learning of new sequences became deficient after injections in the anterior caudate and putamen, but not the middle-posterior putamen. The execution of well-learned sequences was disrupted after injections in the middle-posterior putamen and, less severely, after injections in the anterior caudate/putamen. These results suggest that the anterior and posterior portions of the striatum participate in different aspects of learning of sequential movements.

Integrity signals

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Crossref · 10.1007/pl00005669

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27 of 27 references verified0 citation errors · 0 not checkable

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  • Temporary inactivation of the sensorimotor striatum does not interfere with learning of new motor sequences but disrupts execution of previously-acquired sequences.

    “Furthermore, temporary inactivation of the sensorimotor striatum does not interfere with the learning of new motor sequences, but it does disrupt the execution of previously-acquired sequences [18].”
  • Temporary inactivation of the associative striatum disrupts learning of new motor sequences but has less effect on execution of previously-acquired sequences.

    “Evidence supporting a role for the associative striatum in behavioral acquisition was reported by Miyachi et al. [18], who found that temporary inactivation of the associative striatum disrupted learning of new motor sequences, but had less effect on the execution of previously-acquired sequences.”
  • These patterns can roughly be associated with social reasoning, motor control, learning and memory.

    “and can roughly be associated with social reasoning, motor control, learning and memory [36–40].”

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Authors
Miyachi, S., Hikosaka, O., Miyashita, K., Kárádi, Z., & Rand, M. K.
Affiliations
National Institute for Physiological Sciences (JP)
Venue
Experimental Brain Research
Published
1997-06-16
Volume
115
Issue
1
Pages
1-5
ISSN
0014-4819 (ISSN-L)
OpenAlex
W1977208975
Cited by
374
References
27
Citations by year
2026: 4 · 2025: 11 · 2024: 11 · 2023: 13 · 2022: 9 · 2021: 13 · 2020: 13 · 2019: 13 · 2018: 10 · 2017: 12 · 2016: 9 · 2015: 23 · 2014: 19 · 2013: 23 · 2012: 18
FWCI
7.26
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Brain Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
striatum, basal ganglia, putamen, muscimol inactivation, monkeys, GABAergic inhibition
MeSH terms
Animals, Hand, Injections, Learning, Macaca, Male, Memory, Movement, Muscimol, Neostriatum, GABA Agonists

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