Regulation of primary motor cortex excitability by repetitive passive finger movement frequency

Highlights • M1 excitability decreased after repetitive passive finger movement (RPM) depending on movement frequency. • Spinal motoneuron excitability does not change after RPM. • Cortical depression following RPM is mediated by the activation of intracortical GABAergic circuits in M1. • 5.0 Hz-RPM...

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Bibliographic Details
Published in:Neuroscience 2017-08, Vol.357, p.232-240
Main Authors: Sasaki, Ryoki, Nakagawa, Masaki, Tsuiki, Shota, Miyaguchi, Shota, Kojima, Sho, Saito, Kei, Inukai, Yasuto, Masaki, Mitsuhiro, Otsuru, Naofumi, Onishi, Hideaki
Format: Article
Language:English
Subjects:
Adult
Biomechanical Phenomena
Electromyography
Evoked Potentials, Motor
Female
Fingers - physiology
Humans
Male
Motor Cortex - physiology
Motor Neurons - physiology
motor-evoked potential
Movement - physiology
Muscle, Skeletal - physiology
Neurology
Periodicity
repetitive passive movement
short-interval intracortical inhibition
Spinal Cord - physiology
Transcranial Magnetic Stimulation
Young Adult
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Summary:Highlights • M1 excitability decreased after repetitive passive finger movement (RPM) depending on movement frequency. • Spinal motoneuron excitability does not change after RPM. • Cortical depression following RPM is mediated by the activation of intracortical GABAergic circuits in M1. • 5.0 Hz-RPM induced prolonged M1 depression.
ISSN:0306-4522
1873-7544
DOI:10.1016/j.neuroscience.2017.06.009