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|Title: ||Evaluation of a Modified High-Definition Electrode Montage for Transcranial Alternating Current Stimulation (tACS) of Pre-Central Areas|
|Authors: ||Heise, Kirstin-Friederike|
Bicalho Saturnino, Guilherme
|Issue Date: ||2016|
|Citation: ||Brain Stimulation, 9(5), p. 700-704|
To evaluate a modified electrode montage with respect to its effect on tACS-dependent modulation of corticospinal excitability and discomfort caused by neurosensory side effects accompanying stimulation.
In a double-blind cross-over design, the classical electrode montage for primary motor cortex (M1) stimulation (two patch electrodes over M1 and contralateral supraorbital area) was compared with an M1 centre-ring montage. Corticospinal excitability was evaluated before, during, immediately after and 15 minutes after tACS (10 min., 20 Hz vs. 30 s low-frequency transcranial random noise stimulation).
Corticospinal excitability increased significantly during and immediately after tACS with the centre-ring montage. This was not the case with the classical montage or tRNS stimulation. Level of discomfort was rated on average lower with the centre-ring montage.
In comparison to the classic montage, the M1 centre-ring montage enables a more focal stimulation of the target area and, at the same time, significantly reduces neurosensory side effects, essential for placebo-controlled study designs.|
|Notes: ||Heise, KF (reprint author), Katholieke Univ Leuven, Movement Control & Neuroplast Res Grp, Dept Kinesiol, Tervuurse Vest 101, B-3001 Leuven, Belgium
|ISI #: ||000382499100007|
|Type: ||Journal Contribution|
|Validation: ||ecoom, 2017|
|Appears in Collections: ||Research publications|
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|published version ||1.37 MB||Adobe PDF|
|Peer-reviewed author version||1.37 MB||Adobe PDF|
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