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Comparison of the magnetically mapped corticomotor representation of a muscle at rest and during low-level voluntary contraction
Journal article   Peer reviewed

Comparison of the magnetically mapped corticomotor representation of a muscle at rest and during low-level voluntary contraction

S.A. Wilson, G.W. Thickbroom and F.L. Mastaglia
Electroencephalography and Clinical Neurophysiology/Electromyography and Motor Control, Vol.97(5), pp.246-250
1995
DOI: https://doi.org/10.1016/0924-980X(95)80001-8
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Abstract

This study has compared the topography of the corticomotor representation of an instrinsic hand muscle in the relaxed state and during a low-level voluntary contraction using transcranial magnetic stimulation. It was found that the optimum cortical stimulus site and the surrounding area of excitable cortex were shifted ∼ 6 mm medially as a result of performing a voluntary contraction. This difference may be due to a combination of factors involving the spatial distribution of excitable intracortical fibres, the effects of muscle afferent activity on motor cortex excitability, and task-dependent modifications of corticomotor output.

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Source: InCites

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20 Record Views
49 Times Cited - Web of Science

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Collaboration types
Domestic collaboration
Citation topics
1 Clinical & Life Sciences
1.82 Gait & Posture
1.82.811 Transcranial Magnetic Stimulation
Web Of Science research areas
Engineering, Biomedical
Neurosciences
ESI research areas
Neuroscience & Behavior
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