Document Detail


Evolution of Genuine Cross-Correlation Strength of Focal Onset Seizures.
MedLine Citation:
PMID:  21946370     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
SUMMARY: To quantify the evolution of genuine zero-lag cross-correlations of focal onset seizures, we apply a recently introduced multivariate measure to broad band and to narrow-band EEG data. For frequency components below 12.5 Hz, the strength of genuine cross-correlations decreases significantly during the seizure and the immediate postseizure period, while higher frequency bands show a tendency of elevated cross-correlations during the same period. We conclude that in terms of genuine zero-lag cross-correlations, the electrical brain activity as assessed by scalp electrodes shows a significant spatial fragmentation, which might promote seizure offset.
Authors:
Markus F Müller; Gerold Baier; Yurytzy López Jiménez; Arlex O Marín García; Christian Rummel; Kaspar Schindler
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-9-23
Journal Detail:
Title:  Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society     Volume:  -     ISSN:  1537-1603     ISO Abbreviation:  -     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-9-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8506708     Medline TA:  J Clin Neurophysiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
*Facultad de Ciencias, Universidad Autónoma del Estado de Morelos, Cuernavaca, Mexico †Centro Internacional de Ciencias, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, Mexico ‡Manchester Interdisciplinary Biocentre, University of Manchester, Manchester, United Kingdom §Department of Neurology, Inselspital Bern, University Hospital, University of Bern, Bern, Switzerland.
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