Article ID Journal Published Year Pages File Type
3047240 Clinical Neurophysiology 2007 7 Pages PDF
Abstract

ObjectiveWe study burst-like patterns of epileptiform discharges in non-convulsive status epilepticus (SE).MethodsEpileptiform burst-like transients were identified by estimating the amplitude envelope of the EEG signal, and recurrence and similarities were identified by pairwise matching in the time-domain.ResultsWe identified similarities in the onset of a significant fraction of the epileptiform bursts, and a bimodal distribution of the burst durations.ConclusionsBursts of epileptiform discharges during a non-convulsive SE are manifestations of multiple patterns of recurring brain states.SignificanceQuantitative description of ictal phenomena in epilepsy and status epilepticus adds to the knowledge of abnormal brain behavior and may assist in improved patient care.

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