Automated Algorithm for Generalized Tonic–Clonic Epileptic Seizure Onset Detection Based on sEMG Zero-Crossing Rate

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Patients are not able to call for help during a generalized tonic–clonic epileptic seizure. Our objective was to develop a robust generic algorithm for automatic detection of tonic–clonic seizures, based on surface electromyography (sEMG) signals suitable for a portable device. Twenty-two seizures were analyzed from 11 consecutive patients. Our method is based on a high-pass filtering with a cutoff at 150 Hz, and monitoring a count of zero crossings with a hysteresis of $\pm 50\,\mu \hbox{V}$ . Based on data from one sEMG electrode (on the deltoid muscle), we achieved a sensitivity of 100% with a mean detection latency of 13.7 s, while the rate of false detection was limited to 1 false alarm per 24 h. The overall performance of the presented generic algorithm is adequate for clinical implementation.
Original languageEnglish
JournalIEEE Transactions on Biomedical Engineering
Publication date2012
Volume59
Issue2
Pages579-585
ISSN00189294
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 10

Keywords

  • Tonic–clonic, Epilepsy, Surface electromyography (sEMG), Seizure detection
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