Transcranial magnetic stimulation over the cerebellum evokes late potential in the soleus muscle

Transcranial magnetic stimulation (TMS) with a double cone coil placed over the left lateral side of the basal occiput was able to elicit late electromyographic (EMG) responses at the bilateral soleus muscles (SOL) averaged over 30 stimulation events, with a mean latency of approximately 100 ms. The...

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Bibliographic Details
Published in:Neuroscience research 2003-06, Vol.46 (2), p.257-262
Main Authors: Sakihara, K., Yorifuji, S., Ihara, A., Izumi, H., Kono, K., Takahashi, Y., Imaoka, H., Ogino, S.
Format: Article
Language:English
Subjects:
Adult
Antigravity muscle
Cerebellum
Cerebellum - physiology
Double cone coil
Electric Stimulation
Electromyography
Evoked Potentials, Motor - physiology
Humans
Late response
Male
Middle Aged
Muscle, Skeletal - innervation
Muscle, Skeletal - physiology
Neural Pathways - physiology
Posture
Soleus muscle
Transcranial Magnetic Stimulation
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Summary:Transcranial magnetic stimulation (TMS) with a double cone coil placed over the left lateral side of the basal occiput was able to elicit late electromyographic (EMG) responses at the bilateral soleus muscles (SOL) averaged over 30 stimulation events, with a mean latency of approximately 100 ms. These EMG responses were detected using a low frequency bandpass filter with 0.05 Hz magnetic stimulation on ten healthy subjects in standing posture. As magnetic stimulation over the left basal occiput with a double cone coil can stimulate cerebellar structure, this late response seems to be conducted from the cerebellar structure to the SOL via an as yet unknown descending pathway. Here, we report new late EMG responses in relation to cerebellum or cerebellum related structures.
ISSN:0168-0102
1872-8111
DOI:10.1016/S0168-0102(03)00064-6