| Comparing cutaneous perception induced by electrical stimulation using rectangular and round shaped electrodes. | |
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MedLine Citation:
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PMID: 20980196 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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OBJECTIVE: We have investigated the cutaneous perception differences for anodal and cathodal transcranial direct current stimulation (tDCS) and transcranial random noise stimulation (tRNS) between two electrode configurations: a standard, rectangle-shaped, and a circle-shaped, round geometry with the same surface area, and thus, same nominal current distribution. We have aimed to find whether a smaller perimeter length and the absence of corners in the case of the round configuration would lead to altered skin perception characteristics when compared to the rectangular geometry. METHODS: Twelve subjects were tested for tDCS and tRNS skin perception characteristics in the intensity range of 200-2000μA using round and rectangular electrode configurations. RESULTS: We have not found any substantial differences between detection thresholds, detection rates, false positive rates or consistent alterations in the sites of perceived stimulation. CONCLUSION: We conclude that there is no difference between the round and the rectangular electrode configurations regarding their blinding potentials. SIGNIFICANCE: The results of this investigation indicate that the altering of the electrode geometry to a round configuration is unwarranted for better blinding purposes in future studies using tDCS and tRNS. |
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Authors:
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Géza Gergely Ambrus; Andrea Antal; Walter Paulus |
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Publication Detail:
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Type: Journal Article Date: 2010-10-25 |
Journal Detail:
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Title: Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology Volume: 122 ISSN: 1872-8952 ISO Abbreviation: Clin Neurophysiol Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-03-09 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100883319 Medline TA: Clin Neurophysiol Country: Netherlands |
Other Details:
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Languages: eng Pagination: 803-7 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 International Federation of Clinical Neurophysiology. Published by Elsevier Ireland Ltd. All rights reserved. |
Affiliation:
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Department of Clinical Neurophysiology, Georg-August University of Göttingen, 37075 Göttingen, Germany. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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