Repetition suppression in transcranial magnetic stimulation-induced motor-evoked potentials is modulated by cortical inhibition

Highlights • We assessed repetition suppression in three TMS-induced responses; resting and active MEPs and corticospinal silent period. • Repetition suppression was confirmed in resting MEPs in accordance with earlier studies. • Active MEPs did not exhibit the phenomenon, SPs, on the other hand, le...

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Bibliographic Details
Published in:Neuroscience 2015-12, Vol.310, p.504-511
Main Authors: Kallioniemi, E, Pääkkönen, A, Julkunen, P
Format: Article
Language:English
Subjects:
Adult
Electromyography
Evoked Potentials, Motor
Female
Humans
Male
Motor Cortex - physiology
motor-evoked potential
Muscle, Skeletal - innervation
Muscle, Skeletal - physiology
Neural Inhibition
Neurology
repetition suppression
silent period
Transcranial Magnetic Stimulation
Young Adult
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Summary:Highlights • We assessed repetition suppression in three TMS-induced responses; resting and active MEPs and corticospinal silent period. • Repetition suppression was confirmed in resting MEPs in accordance with earlier studies. • Active MEPs did not exhibit the phenomenon, SPs, on the other hand, lengthened in duration. • Repetition suppression might result from increased activation of GABAergic interneurons influencing on the SP duration.
ISSN:0306-4522
1873-7544
DOI:10.1016/j.neuroscience.2015.09.056