کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
558790 1451670 2014 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Simultaneous multi-channel spikes and inverted spikes in focal epileptic ECoG are more after offset than during the seizure
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر پردازش سیگنال
پیش نمایش صفحه اول مقاله
Simultaneous multi-channel spikes and inverted spikes in focal epileptic ECoG are more after offset than during the seizure
چکیده انگلیسی


• A novel spike and inverted spike detection algorithm.
• Generalization to detect multi-channel simultaneous spikes.
• Simultaneous occurrence of spikes and inverted spikes across focal channels are more after the seizure than during it.

A simple, real time, differential operator based spike detection algorithm has been described, which can efficiently detect seizure spikes in noisy ECoG signals. Simultaneous spikes and inverted spikes have been detected across all focal ECoG channels during preictal, ictal and postictal periods. Out of 79 seizures recorded from 21 patients, about 80% showed more occurrence of simultaneous spikes and inverted spikes across focal channels after the seizure offset than during the seizure in 0–40 Hz range, where the duration studied after the offset is equal to the duration of the seizure. This is an important finding because this goes contrary to the prevailing wisdom that epileptic seizure is a hyper-synchronous phenomenon.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biomedical Signal Processing and Control - Volume 10, March 2014, Pages 58–64
نویسندگان
,