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, F
Tong, KYR
Chan, STP
Wong, WW
Lui, KH
Tang, KW
Gao, X
Gao, S
Keywords: Cerebral plasticity
Cortico-muscular coherence
Stoke
Issue Date: Jun-2009
Publisher: IEEE
Source: IEEE transactions on neural systems and rehabilitation engineering, June 2009, v. 17, no. 3, p. 234-243 How to cite?
Journal: IEEE transactions on neural systems and rehabilitation engineering 
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.
URI: http://hdl.handle.net/10397/1817
ISSN: 1534-4320
DOI: 10.1109/TNSRE.2008.2006209
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