A novel ring electrode setup for the recording of somatosensory evoked potentials during transcranial direct current stimulation (tDCS)

被引：11

作者：

Sehm, Bernhard ^{[1
,2
]}

Hoff, Maike ^{[1
]}

Gundlach, Christopher ^{[1
]}

Taubert, Marco ^{[1
]}

Conde, Virginia ^{[1
]}

Villringer, Arno ^{[1
,2
]}

Ragert, Patrick ^{[1
]}

机构：

[1] Max Planck Inst Human Cognit & Brain Sci, Dept Neurol, D-04103 Leipzig, Germany

[2] Univ Leipzig, Clin Cognit Neurol, Leipzig, Germany

来源：

JOURNAL OF NEUROSCIENCE METHODS | 2013年 / 212卷 / 02期

关键词：

tDCS; SEP; EEG; Ring electrode; Online-effects; Neuromonitoring; BEHAVIOR; CORTEX;

D O I：

10.1016/j.jneumeth.2012.10.006

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Transcranial direct current stimulation (tDCS) modulates cortical excitability thereby influencing behavior and learning. While previous studies focused on tDCS after-effects, limited information about "online" tDCS effects is available. This in turn is an important prerequisite to better characterize and/or optimize tDCS effects. Here, we aimed to explore the feasibility of recording low-artifact somatosensory evoked potentials (SEPs) during tDCS using a novel ring electrode setup. We recorded SEP before, during and after 10 min of anodal or sham tDCS using a full-band direct current (DC) EEG system in a total number of 3 subjects. SEPs were recorded in the bore of the tDCS ring electrode. Using this approach, no tDCS-induced artifacts could be observed after the application of a standard EEG filter. This new setup might help to better characterize how tDCS alters evoked brain responses thus providing novel insight into underlying physiological effects during stimulation. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：234 / 236

页数：3

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