EEG—Single-Channel Envelope Synchronisation and Classification for Seizure Detection and Prediction
Brain sciences(2021)
摘要
This paper tackles the complex issue of detecting and classifying epileptic seizures whilst maintaining the total calculations at a minimum. Where many systems depend on the coupling between multiple sources, leading to hundreds of combinations of electrodes, our method calculates the instantaneous phase between non-identical upper and lower envelopes of a single-electroencephalography channel reducing the workload to the total number of electrode points. From over 600 h of simulations, our method shows a sensitivity and specificity of 100% for high false-positive rates and 83% and 75%, respectively, for moderate to low false positive rates, which compares well to both single- and multi-channel-based methods. Furthermore, pre-ictal variations in synchronisation were detected in over 90% of patients implying a possible prediction system.
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关键词
epilepsy,synchronisation,envelope,DSP,hilbert transform,detection,Alzheimer disease,Parkinsons disease,prediction
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