Article (Scientific journals)
Patterns of brain oscillations across different electrode montages in transcranial pulsed current stimulation
Vasquez, A. C.; Thibaut, Aurore; Morales-Quezada, L. et al.
2017In Neuroreport, 28 (8), p. 421-425
Peer Reviewed verified by ORBi
 

Files


Full Text
Vasquez2017_NeuroReport_tPCS.pdf
Publisher postprint (144.39 kB)
Download

All documents in ORBi are protected by a user license.

Send to



Details



Keywords :
neuromodulation; tDCS; tPCS; transcranial electrical stimulation; brain plasticity
Abstract :
[en] Transcranial pulsed current stimulation (tPCS) is a neuromodulatory technique that has been studied in the last decade. Several parameters have been assessed independently to optimize the effects. Our aim was to explore the effects of tPCS using different montages on cortical brain oscillations indexed by power spectrum and interhemispheric coherence in different electroencephalography frequency bands. Twenty healthy individuals were randomized to receive either active tPCS or sham intervention using the following bilateral montages: ear clip (conventional), ear hook, or mastoid placement. Electroencephalography was recorded before and after the electroencephalography intervention to assess tPCS-induced after effects. Our results showed that active tPCS with bimastoid montage increased significantly alpha absolute power (P=0.0166) and low alpha (P=0.0014) in the frontal region, as well as in the low alpha power spectrum in the central (P=0.0001) and parieto-occipital regions (P=0.0068) compared with the other montages. For interhemispheric coherence analysis, the Kruskal-Wallis test showed a significant main effect of group for theta (P=0.0012) in the frontal region, mainly for ear-clip montage. Our findings evidenced that tPCS delivered through different electrode montages exert different effects on cortical brain oscillations and thus have a different neural signature. We discuss the implications of these findings as well as potential clinical explorations of this technique. Copyright © 2017 Wolters Kluwer Health, Inc. All rights reserved.
Disciplines :
Neurology
Author, co-author :
Vasquez, A. C.;  Spaulding Neuromodulation Center, Harvard Medical School, Spaulding Rehabilitation Hospital, 79/96, 13th Street, Boston, Charlestown, MA, United States
Thibaut, Aurore ;  Université de Liège - ULiège > GIGA : Coma Group
Morales-Quezada, L.;  Spaulding Neuromodulation Center, Harvard Medical School, Spaulding Rehabilitation Hospital, 79/96, 13th Street, Boston, Charlestown, MA, United States
Leite, J.;  Spaulding Neuromodulation Center, Harvard Medical School, Spaulding Rehabilitation Hospital, 79/96, 13th Street, Boston, Charlestown, MA, United States, Neuropsychophysiology Laboratory, CIPsi, School of Psychology, University of Minho, Braga, Portugal
Fregni, F.;  Spaulding Neuromodulation Center, Harvard Medical School, Spaulding Rehabilitation Hospital, 79/96, 13th Street, Boston, Charlestown, MA, United States
Language :
English
Title :
Patterns of brain oscillations across different electrode montages in transcranial pulsed current stimulation
Publication date :
2017
Journal title :
Neuroreport
ISSN :
0959-4965
eISSN :
1473-558X
Publisher :
Lippincott Williams and Wilkins
Volume :
28
Issue :
8
Pages :
421-425
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 May 2020

Statistics


Number of views
41 (1 by ULiège)
Number of downloads
163 (1 by ULiège)

Scopus citations®
 
8
Scopus citations®
without self-citations
4
OpenCitations
 
6

Bibliography


Similar publications



Contact ORBi