Evolution of genuine cross-correlation strength of focal onset seizures

Müller, Markus F; Baier, Gerold; Jiménez, Yurytzy López; Marín García, Arlex O; Rummel, Christian; Schindler, Kaspar (2011). Evolution of genuine cross-correlation strength of focal onset seizures. Journal of clinical neurophysiology, 28(5), pp. 450-62. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/WNP.0b013e318231c894

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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.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Institute of Diagnostic and Interventional Neuroradiology
04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Neurology

UniBE Contributor:

Rummel, Christian and Schindler, Kaspar Anton

ISSN:

0736-0258

Publisher:

Lippincott Williams & Wilkins

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:19

Last Modified:

06 Dec 2013 13:26

Publisher DOI:

10.1097/WNP.0b013e318231c894

PubMed ID:

21946370

Web of Science ID:

000295409100003

URI:

https://boris.unibe.ch/id/eprint/6012 (FactScience: 210904)

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