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  EEG responses to combined somatosensory and transcranial magnetic stimulation

Schürmann, M., Nikulin, V. V., Soljanlahti, S., Ollikainen, M., Başar, E., & Ilmoniemi, R. J. (2001). EEG responses to combined somatosensory and transcranial magnetic stimulation. Clinical Neurophysiology, 112(1), 19-24. doi:10.1016/S1388-2457(00)00509-5.

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Schürmann, Martin, Author
Nikulin, Vadim V.1, Author              
Soljanlahti, Sami, Author
Ollikainen, Marko, Author
Başar, Erol, Author
Ilmoniemi, Risto J., Author
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1External Organizations, ou_persistent22              

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Free keywords: EEG responses; Somatosensory evoked potentials; Transcranial magnetic stimulation
 Abstract: Objectives: To investigate a possible interaction between sensory processing and transcranial magnetic stimulation (TMS), an experimental set-up permitting multichannel EEG measurements was used. Methods: A somatosensory stimulus was delivered to the right wrist, while single-pulse TMS was applied to the contralateral somatosensory cortex, either concurrent with the somatosensory stimulus or 10 ms after it. A control condition served to mimic the sound of TMS without actually resulting in brain stimulation. Results: An enhancement of the P25 component of the somatosensory-evoked potential (SEP) was consistently observed for TMS concurrent with somatosensory stimulus. The effect was topographically specific to the EEG recording sites below the TMS coil, i.e. above the somatosensory cortex contralateral to the stimulated peripheral nerve. Conclusions: The results can be interpreted (1) as an indication of local interaction between the somatosensory-evoked cortical activity and TMS-evoked activity or (2) as support of a relationship between the background EEG and the evoked potential (EP), this relationship being ‘disrupted’ by TMS.

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Language(s): eng - English
 Dates: 2000-10-162000-12-202001-01-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/S1388-2457(00)00509-5
 Degree: -

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Title: Clinical Neurophysiology
  Other : Clin. Neurophysiol.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 112 (1) Sequence Number: - Start / End Page: 19 - 24 Identifier: ISSN: 1388-2457
CoNE: https://pure.mpg.de/cone/journals/resource/954926941726