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Evaluation of selected recurrence measures in discriminating pre-ictal and inter-ictal periods from epileptic EEG data

Urheber*innen
/persons/resource/eulalie

Ngamga,  Eulalie Joelle
Potsdam Institute for Climate Impact Research;

Bialonski,  S.
External Organizations;

/persons/resource/Marwan

Marwan,  Norbert
Potsdam Institute for Climate Impact Research;

/persons/resource/Juergen.Kurths

Kurths,  Jürgen
Potsdam Institute for Climate Impact Research;

Geier,  C.
External Organizations;

Lehnertz,  K.
External Organizations;

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Zitation

Ngamga, E. J., Bialonski, S., Marwan, N., Kurths, J., Geier, C., Lehnertz, K. (2016): Evaluation of selected recurrence measures in discriminating pre-ictal and inter-ictal periods from epileptic EEG data. - Physics Letters A, 380, 16, 1419-1425.
https://doi.org/10.1016/j.physleta.2016.02.024


Zitierlink: https://publications.pik-potsdam.de/pubman/item/item_20873
Zusammenfassung
We investigate the suitability of selected measures of complexity based on recurrence quantification analysis and recurrence networks for an identification of pre-seizure states in multi-day, multi-channel, invasive electroencephalographic recordings from five epilepsy patients. We employ several statistical techniques to avoid spurious findings due to various influencing factors and due to multiple comparisons and observe precursory structures in three patients. Our findings indicate a high congruence among measures in identifying seizure precursors and emphasize the current notion of seizure generation in large-scale epileptic networks. A final judgment of the suitability for field studies, however, requires evaluation on a larger database.