Cited by 54Motor Control and AdaptationAction Observation and SynchronizationFree Will and Agency

Movement-associated cortical potentials with unilateral and bilateral simultaneous hand movement

Shibasaki, H., Kato, M.·1975·Journal of Neurology

Abstract

Cortical potentials associated with unilateral and bilateral simultaneous thumb opposition were studied in 9 healthy subjects. The P1 component, "pre-motion positivity", was recognized in 5 out of 9 subjects on unilateral thumb movement. In all subjects in whom P1 was recognized, P1 was dominant over the cerebral hemisphere ipsilateral to the contracting muscles. On bilateral simultaneous thumb movement, however, P1 was not discerned in any subject. This is compatible with the assumption that P1 is related to an inhibition of imitative movement of the opposite hand (mirror movement). The N2 component had its onset after the start of muscle contraction in most cases, suggesting that N2 might not reflect activation of the corticospinal pathways.

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Crossref · 10.1007/bf00630632

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Authors
Shibasaki, H., & Kato, M.
Affiliations
Kyushu University (JP)
Venue
Journal of Neurology
Published
1975
Volume
208
Issue
3
Pages
191-199
ISSN
  • 0012-1037 (ISSN-L)
  • 0340-5354
  • 1432-1459
OpenAlex
W2080206902
Cited by
54
References
15
Citations by year
2026: 1 · 2024: 1 · 2023: 1 · 2022: 1 · 2021: 1 · 2019: 1 · 2018: 1 · 2016: 1 · 2014: 2 · 2013: 1 · 2012: 1
FWCI
1.20
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Social Sciences › Psychology › Social Psychology › Action Observation and Synchronization
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Free Will and Agency
Keywords
P1 component, N2 component, thumb opposition, mirror movements, corticospinal tract, motor cortex
MeSH terms
Adult, Dominance, Cerebral, Electroencephalography, Electromyography, Evoked Potentials, Hand, Humans, Functional Laterality, Male, Motor Cortex, Movement, Muscle Contraction, Reaction Time, Thumb

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