Journal article
Evaluation of a modified high-definition electrode montage for transcranial alternating current stimulation (tACS) of pre-central areas
Brain Stimulation, Vol.9(5), pp.700-704
2016
Abstract
Objective
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.
Methods
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).
Results
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.
Conclusions
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.
Details
- Title
- Evaluation of a modified high-definition electrode montage for transcranial alternating current stimulation (tACS) of pre-central areas
- Authors/Creators
- K-F. Heise (Author/Creator)N. Kortzorg (Author/Creator)G.B. Saturnino (Author/Creator)H. Fujiyama (Author/Creator)K. Cuypers (Author/Creator)A. Thielscher (Author/Creator)S.P. Swinnen (Author/Creator)
- Publication Details
- Brain Stimulation, Vol.9(5), pp.700-704
- Publisher
- Elsevier
- Identifiers
- 991005541317907891
- Copyright
- © 2016 Elsevier Inc.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
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- Citation topics
- 1 Clinical & Life Sciences
- 1.82 Gait & Posture
- 1.82.811 Transcranial Magnetic Stimulation
- Web Of Science research areas
- Clinical Neurology
- Neurosciences
- ESI research areas
- Neuroscience & Behavior