Kasten, Florian H. and Maess, Burkhard and Herrmann, Christoph S. (2018) Facilitated event-related power modulations during transcranial alternating current stimulation (tACS) revealed by concurrent tACS-MEG. eNeuro, 5 (3). e0069-18.2018 1. ISSN 2373-2822

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Abstract

Transcranial alternating current stimulation (tACS) is increasingly used in cognitive neuroscience to study the causal role of brain oscillations for cognition. However, online effects of tACS largely remain a “black box” because of an intense electromagnetic artifact encountered during stimulation. The current study is the first to employ a spatial filtering approach to recover, and systematically study, event-related oscillatory dynamics during tACS, which could potentially be altered in various directions. TACS facilitated pre-existing patterns of oscillatory dynamics during the employed mental rotation task, but did not counteract or overwrite them. In addition, control analyses and a measure to quantify tACS artifact suppression are provided that can enrich future studies investigating tACS online effects.

Item Type:	Article
Additional Information:	Publiziert mit Hilfe des DFG-geförderten Open Access-Publikationsfonds der Carl von Ossietzky Universität Oldenburg.
Uncontrolled Keywords:	Cognitive performance; event-related oscillations; MEG; online effects; transcranial alternating current stimulation (tACS)
Subjects:	Philosophy and psychology > Psychology
Divisions:	Faculty of Medicine and Health Sciences > Department of Psychology
Date Deposited:	12 Sep 2019 10:59
Last Modified:	13 Sep 2019 11:21
URI:	https://oops.uni-oldenburg.de/id/eprint/4160
URN:	urn:nbn:de:gbv:715-oops-42413
DOI:	doi:10.1523/ENEURO.0069-18.2018
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