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Seizure detection in the neonatal EEG with synchronization likelihood

Authors :: Willem P. F. Fetter
Cornelis J. Stam
Rob L M Strijers
R. Jeroen Vermeulen
Josje Altenburg
Pediatric surgery
Neurology
Amsterdam Neuroscience - Brain Imaging
Amsterdam Neuroscience - Neurodegeneration
Source :: Altenburg, J, Vermeulen, R J, Strijers, R L M, Fetter, W P F & Stam, C J 2003, ' Seizure detection in the neonatal EEG with synchronization likelihood ', Clinical Neurophysiology, vol. 114, no. 1, pp. 50-5 ., Clinical Neurophysiology, 114(1), 50-5. Elsevier Ireland Ltd
Publication Year :: 2003
Publisher :: Elsevier BV, 2003.
Abstract: OBJECTIVE: To investigate whether epileptic seizure activity can be distinguished from non-epileptic background activity in the neonatal electroenceplalogram (EEG), using synchronization likelihood as a measure of synchronization between EEG channels.METHODS: Forty-two 21s EEG epochs and two complete EEGs from 21 different neonatal patients in a 12-channel bipolar recording were studied (AD-conversion 16bit; sample frequency 200Hz; filter setting 0.5-30Hz). For EEG of each patient, we selected one epoch with epileptic discharges and one without. Synchronization was calculated in all epochs. In two complete EEGs, synchronization was calculated and correlated with a visual scoring of the EEG.RESULTS: Synchronization likelihood was higher in all the epochs with epileptic seizures as compared to the epochs without epileptic activity (PCONCLUSIONS: The results of this study demonstrate that synchronization likelihood is a potential tool in the automatic monitoring of high-risk infants for epileptic activity on neonatal wards.