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

Komalapriya, C., Romano, M. C., Thiel, M., Schwarz, U., Kurths, J., Simonotto, J., Furman, M., Ditto, W. L., Carney, P. R. (2009): Analysis of high-resolution microelectrode EEG recordings in an animal model of spontaneous limbic seizures. - International Journal of Bifurcation and Chaos, 19, 2, 605-617.
https://doi.org/10.1142/S0218127409023226

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Komalapriya, Chandrasekaran1, Author              
Romano, M. C.2, Author
Thiel, M.2, Author
Schwarz, U.2, Author
Kurths, Jürgen1, Author              
Simonotto, J.2, Author
Furman, M.2, Author
Ditto, W. L.2, Author
Carney, P. R.2, Author
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1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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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.

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 Dates: 2009
 Publication Status: Finally published
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 Identifiers: DOI: 10.1142/S0218127409023226
PIKDOMAIN: Transdisciplinary Concepts & Methods - Research Domain IV
eDoc: 3945
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Title: International Journal of Bifurcation and Chaos
Source Genre: Journal, SCI, Scopus, p3
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Pages: - Volume / Issue: 19 (2) Sequence Number: - Start / End Page: 605 - 617 Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/journals216