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

Komalapriya, Chandrasekaran; Romano, M. C.; Thiel, M.; Schwarz, U.; Kurths, Jürgen; Simonotto, J.; Furman, M.; Ditto, W. L.; Carney, P. R.

doi:10.1142/S0218127409023226

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

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Komalapriya, Chandrasekaran
Potsdam Institute for Climate Impact Research;

Romano, M. C.
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Thiel, M.
External Organizations;

Schwarz, U.
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/persons/resource/Juergen.Kurths

Kurths, Jürgen
Potsdam Institute for Climate Impact Research;

Simonotto, J.
External Organizations;

Furman, M.
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Ditto, W. L.
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Carney, P. R.
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Zitation

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

Zitierlink: https://publications.pik-potsdam.de/pubman/item/item_15308

Zusammenfassung

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.