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Effects of judgement process on motor evoked potentials in Go/No-go hand movement task
M Hoshiyama1, S Koyama, Y Kitamura
1Department of Integrative Physiology, National Institute for Physiological Sciences, Myodaiji, Okazaki, 444 Japan.
Neuroscience Research
|March 1, 1996
Abstract:
We examined the motor evoked potentials (MEP) of the forearm muscles following transcranial magnetic stimulation after the Go/No-go reaction-time hands movement in ten normal subjects. Facilitation of MEP of the agonistic muscles and suppression of MEP of the antagonistic muscles were recognized during the 'Go' session, while the MEPs of both muscles were markedly suppressed in the 'No-go' session. We considered that this MEP changes reflected the inhibition on the pyramidal tract during the 'No-go' session.