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Analysis of high-resolution microelectrode EEG recordings in an animal model of spontaneous lmbic seizures

Lookup NU author(s): Dr Jennifer Simonotto

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Abstract

We perform a systematic data analysis on high resolution (0.5-12 kHz) multiarray microelectrode recordings from an animal model of spontaneous limbic epilepsy, to investigate the role of high frequency oscillations and the occurrence of early precursors for seizures. Results of spectral analysis confirm the importance of very high frequency oscillations (even greater than 600 Hz) in normal (healthy) and abnormal (epileptic) hippocampus. Furthermore, we show that the measures of Recurrence Quantification Analysis (RQA) and Recurrence Time Statistics (RTS) are successful in indicating, rather uniquely, the onset of ictal state and the occurrence of some warnings/precursors during the pre-ictal state, in contrast to the linear measures investigated. © 2009 World Scientific Publishing Company.

Publication metadata

Author(s): Komalapriya C, Romano M, Thiel M, Schwarz U, Kurths J, Simonotto J, Furman M, Ditto W, Carney P

Publication type: Article

Publication status: Published

Journal: International Journal of Bifurcation and Chaos

Year: 2009

Volume: 19

Issue: 2

Pages: 605-617

ISSN (print): 0218-1274

ISSN (electronic): 1793-6551

Publisher: World Scientific Publishing Co. Pte. Ltd.

URL: http://dx.doi.org/10.1142/S0218127409023226

DOI: 10.1142/S0218127409023226

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