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Corticomuscular coherence : ウィキペディア英語版 | Corticomuscular coherence
Corticomuscular Coherence is referred to the synchrony in the neural activity of brain's cortical areas and muscle. The neural activities are picked up by electrophysiological recordings from the brain (e.g. EEG, MEG, ECoG, etc.) and muscle (EMG). It is a method to study the neural control of movement. == Physiology == Corticomuscular Coherence was initially reported between MEG and EMG 〔Conway, B. A., Halliday, D. M., Farmer, S. F., Shahani, U., Maas, P., Weir, A. I., & Rosenberg, J. R. (1995). Synchronization between motor cortex and spinal motoneuronal pool during the performance of a maintained motor task in man. J Physiol, 489 ( Pt 3), 917–924. http://doi.org/10.1113/jphysiol.1995.sp021104〕 and is widely studied between EMG and EEG, MEG, etc. The origins of corticomuscular coherence seem to be communication in corticospinal pathways between primary motor cortex and muscles. While the role of descending corticomuscular pathways in generation of coherence are more clear, the role of ascending sensory spinocortical pathways are less certain. Corticomuscular coherence has been of special interest in alpha band (about 10 Hz), in Beta band (15–30 Hz), and in Gamma band (35–60 Hz).
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