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Probing EEG activity in the targeted cortex after focal transcranial electrical stimulation

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@article{976039fb9077426491213b3ee694c3b7,
title = "Probing EEG activity in the targeted cortex after focal transcranial electrical stimulation",
abstract = "BACKGROUND: Recording electroencephalography (EEG) from the targeted cortex immediately before and after focal transcranial electrical stimulation (TES) remains a challenge.METHODS: We introduce a hybrid stimulation-recording approach where a single EEG electrode is inserted into the inner electrode of a double-ring montage for focal TES. The new combined electrode was placed at the C3 position of the EEG 10-20 system. Neuronal activity was recorded in two volunteers before and after 20 Hz alternating-current TES at peak-to-peak intensities of 1 and 2 mA. TES-induced electric field distributions were simulated with SIMNIBS software.RESULTS: Using the hybrid stimulation-recording set-up, EEG activity was successfully recorded directly before and after TES. Simulations revealed comparable electrical fields in the stimulated cortex for the pseudomonopolar montage with and without embedded EEG electrode.CONCLUSION: The hybrid TES-EEG approach can be used to probe after-effects of focal TES on neuronal activity in the targeted cortex.",
keywords = "Electrical field simulation, Electroencephalography, Transcranial alternating current stimulation, Transcranial electrical stimulation",
author = "Syoichi Tashiro and Siebner, {Hartwig R} and Angeliki Charalampaki and Cihan G{\"o}ksu and Saturnino, {Guilherme B} and Axel Thielscher and Leo Tomasevic",
note = "Copyright {\textcopyright} 2020 The Authors. Published by Elsevier Inc. All rights reserved.",
year = "2020",
month = may,
day = "1",
doi = "10.1016/j.brs.2020.02.015",
language = "English",
volume = "13",
pages = "815--818",
journal = "Brain Stimulation",
issn = "1935-861X",
publisher = "Elsevier Inc",
number = "3",

}

RIS

TY - JOUR

T1 - Probing EEG activity in the targeted cortex after focal transcranial electrical stimulation

AU - Tashiro, Syoichi

AU - Siebner, Hartwig R

AU - Charalampaki, Angeliki

AU - Göksu, Cihan

AU - Saturnino, Guilherme B

AU - Thielscher, Axel

AU - Tomasevic, Leo

N1 - Copyright © 2020 The Authors. Published by Elsevier Inc. All rights reserved.

PY - 2020/5/1

Y1 - 2020/5/1

N2 - BACKGROUND: Recording electroencephalography (EEG) from the targeted cortex immediately before and after focal transcranial electrical stimulation (TES) remains a challenge.METHODS: We introduce a hybrid stimulation-recording approach where a single EEG electrode is inserted into the inner electrode of a double-ring montage for focal TES. The new combined electrode was placed at the C3 position of the EEG 10-20 system. Neuronal activity was recorded in two volunteers before and after 20 Hz alternating-current TES at peak-to-peak intensities of 1 and 2 mA. TES-induced electric field distributions were simulated with SIMNIBS software.RESULTS: Using the hybrid stimulation-recording set-up, EEG activity was successfully recorded directly before and after TES. Simulations revealed comparable electrical fields in the stimulated cortex for the pseudomonopolar montage with and without embedded EEG electrode.CONCLUSION: The hybrid TES-EEG approach can be used to probe after-effects of focal TES on neuronal activity in the targeted cortex.

AB - BACKGROUND: Recording electroencephalography (EEG) from the targeted cortex immediately before and after focal transcranial electrical stimulation (TES) remains a challenge.METHODS: We introduce a hybrid stimulation-recording approach where a single EEG electrode is inserted into the inner electrode of a double-ring montage for focal TES. The new combined electrode was placed at the C3 position of the EEG 10-20 system. Neuronal activity was recorded in two volunteers before and after 20 Hz alternating-current TES at peak-to-peak intensities of 1 and 2 mA. TES-induced electric field distributions were simulated with SIMNIBS software.RESULTS: Using the hybrid stimulation-recording set-up, EEG activity was successfully recorded directly before and after TES. Simulations revealed comparable electrical fields in the stimulated cortex for the pseudomonopolar montage with and without embedded EEG electrode.CONCLUSION: The hybrid TES-EEG approach can be used to probe after-effects of focal TES on neuronal activity in the targeted cortex.

KW - Electrical field simulation

KW - Electroencephalography

KW - Transcranial alternating current stimulation

KW - Transcranial electrical stimulation

UR - http://www.scopus.com/inward/record.url?scp=85081034888&partnerID=8YFLogxK

U2 - 10.1016/j.brs.2020.02.015

DO - 10.1016/j.brs.2020.02.015

M3 - Journal article

C2 - 32289712

VL - 13

SP - 815

EP - 818

JO - Brain Stimulation

JF - Brain Stimulation

SN - 1935-861X

IS - 3

ER -

ID: 59663711