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Entrainment of brain oscillations by transcranial alternating current stimulation

Standard

Entrainment of brain oscillations by transcranial alternating current stimulation. / Helfrich, Randolph F; Schneider, Till R; Rach, Stefan; Trautmann-Lengsfeld, Sina A; Engel, Andreas K; Herrmann, Christoph S.

In: CURR BIOL, Vol. 24, No. 3, 03.02.2014, p. 333-9.

Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

Harvard

Helfrich, RF, Schneider, TR, Rach, S, Trautmann-Lengsfeld, SA, Engel, AK & Herrmann, CS 2014, 'Entrainment of brain oscillations by transcranial alternating current stimulation', CURR BIOL, vol. 24, no. 3, pp. 333-9. https://doi.org/10.1016/j.cub.2013.12.041

APA

Helfrich, R. F., Schneider, T. R., Rach, S., Trautmann-Lengsfeld, S. A., Engel, A. K., & Herrmann, C. S. (2014). Entrainment of brain oscillations by transcranial alternating current stimulation. CURR BIOL, 24(3), 333-9. https://doi.org/10.1016/j.cub.2013.12.041

Vancouver

Helfrich RF, Schneider TR, Rach S, Trautmann-Lengsfeld SA, Engel AK, Herrmann CS. Entrainment of brain oscillations by transcranial alternating current stimulation. CURR BIOL. 2014 Feb 3;24(3):333-9. https://doi.org/10.1016/j.cub.2013.12.041

Bibtex

@article{809b566125494f33b5ee6f4c31eba172,
title = "Entrainment of brain oscillations by transcranial alternating current stimulation",
abstract = "Novel methods for neuronal entrainment [1-4] provide the unique opportunity to modulate perceptually relevant brain oscillations [5, 6] in a frequency-specific manner and to study their functional impact on distinct cognitive functions. Recently, evidence has emerged that tACS (transcranial alternating current stimulation) can modulate cortical oscillations [7-9]. However, the study of electrophysiological effects has been hampered so far by the absence of concurrent electroencephalogram (EEG) recordings. Here, we applied 10 Hz tACS to the parieto-occipital cortex and utilized simultaneous EEG recordings to study neuronal entrainment during stimulation. We pioneer a novel approach for simultaneous tACS-EEG recordings and successfully separate stimulation artifacts from ongoing and event-related cortical activity. Our results reveal that 10 Hz tACS increases parieto-occipital alpha activity and synchronizes cortical oscillators with similar intrinsic frequencies to the entrainment frequency. Additionally, we demonstrate that tACS modulates target detection performance in a phase-dependent fashion highlighting the causal role of alpha oscillations for visual perception.",
author = "Helfrich, {Randolph F} and Schneider, {Till R} and Stefan Rach and Trautmann-Lengsfeld, {Sina A} and Engel, {Andreas K} and Herrmann, {Christoph S}",
note = "Copyright {\textcopyright} 2014 Elsevier Ltd. All rights reserved.",
year = "2014",
month = feb,
day = "3",
doi = "10.1016/j.cub.2013.12.041",
language = "English",
volume = "24",
pages = "333--9",
journal = "CURR BIOL",
issn = "0960-9822",
publisher = "Cell Press",
number = "3",

}

RIS

TY - JOUR

T1 - Entrainment of brain oscillations by transcranial alternating current stimulation

AU - Helfrich, Randolph F

AU - Schneider, Till R

AU - Rach, Stefan

AU - Trautmann-Lengsfeld, Sina A

AU - Engel, Andreas K

AU - Herrmann, Christoph S

N1 - Copyright © 2014 Elsevier Ltd. All rights reserved.

PY - 2014/2/3

Y1 - 2014/2/3

N2 - Novel methods for neuronal entrainment [1-4] provide the unique opportunity to modulate perceptually relevant brain oscillations [5, 6] in a frequency-specific manner and to study their functional impact on distinct cognitive functions. Recently, evidence has emerged that tACS (transcranial alternating current stimulation) can modulate cortical oscillations [7-9]. However, the study of electrophysiological effects has been hampered so far by the absence of concurrent electroencephalogram (EEG) recordings. Here, we applied 10 Hz tACS to the parieto-occipital cortex and utilized simultaneous EEG recordings to study neuronal entrainment during stimulation. We pioneer a novel approach for simultaneous tACS-EEG recordings and successfully separate stimulation artifacts from ongoing and event-related cortical activity. Our results reveal that 10 Hz tACS increases parieto-occipital alpha activity and synchronizes cortical oscillators with similar intrinsic frequencies to the entrainment frequency. Additionally, we demonstrate that tACS modulates target detection performance in a phase-dependent fashion highlighting the causal role of alpha oscillations for visual perception.

AB - Novel methods for neuronal entrainment [1-4] provide the unique opportunity to modulate perceptually relevant brain oscillations [5, 6] in a frequency-specific manner and to study their functional impact on distinct cognitive functions. Recently, evidence has emerged that tACS (transcranial alternating current stimulation) can modulate cortical oscillations [7-9]. However, the study of electrophysiological effects has been hampered so far by the absence of concurrent electroencephalogram (EEG) recordings. Here, we applied 10 Hz tACS to the parieto-occipital cortex and utilized simultaneous EEG recordings to study neuronal entrainment during stimulation. We pioneer a novel approach for simultaneous tACS-EEG recordings and successfully separate stimulation artifacts from ongoing and event-related cortical activity. Our results reveal that 10 Hz tACS increases parieto-occipital alpha activity and synchronizes cortical oscillators with similar intrinsic frequencies to the entrainment frequency. Additionally, we demonstrate that tACS modulates target detection performance in a phase-dependent fashion highlighting the causal role of alpha oscillations for visual perception.

U2 - 10.1016/j.cub.2013.12.041

DO - 10.1016/j.cub.2013.12.041

M3 - SCORING: Journal article

C2 - 24461998

VL - 24

SP - 333

EP - 339

JO - CURR BIOL

JF - CURR BIOL

SN - 0960-9822

IS - 3

ER -