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Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1817

Title: Cerebral plasticity after subcortical stroke as revealed by cortico-muscular coherence
Authors: Meng, Fei
Tong, Kai-yu Raymond
Chan, Suk-tak Phoebe
Wong, Wan-wa
Lui, Ka-him
Tang, Kwok-wing
Gao, Xiaorong
Gao, Shangkai
Subjects: Cerebral plasticity
Cortico-muscular coherence
Stoke
Issue Date: Jun-2009
Publisher: IEEE
Citation: IEEE transactions on neural systems and rehabilitation engineering, June 2009, v. 17, no. 3, p. 234-243.
Abstract: The latency estimation of cortico-muscular coherence (CMCoh) could provide valuable information, especially for the pathological study. However, the conduction time from the central cortical rhythm to peripheral oscillations has not been explored for stroke patients. In this study one recently proposed method, maximizing coherence, was applied into the coherence analysis to estimate the latency by which the extensor carpi radialis electromyographic signals lagged behind the electroencephalographic time series with seven subcortical stroke subjects. Significantly prolonged conduction time was found in affected sides compared with the unaffected sides. The interhemispheric spatial displacement was also calculated using electrodes projection optimization and spherical surface laplacian. The results showed that the CMCoh could help investigate the cerebral reorganization after stroke.
Description: DOI: 10.1109/TNSRE.2008.2006209
Rights: © 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
Type: Journal/Magazine Article
URI: http://hdl.handle.net/10397/1817
ISSN: 1534-4320
Appears in Collections:HTI Journal/Magazine Articles

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