Inventors:
Joan S. Lockard - Bellevue WA
Larry L. DuCharme - Seattle WA
William C. Congdon - Woodinville WA
Douglas F. Kalk - Seattle WA
Assignee:
University of Washington - Seattle WA
International Classification:
A61B 50476
A61B 50488
Abstract:
A method and apparatus for accurately determining the onset or occurrence of an epileptic seizure is disclosed. The system includes an electroencephalograph (EEG) and an electromyograph (EMG) which provide signals to a signal processor. The signal processor operates to generate a digitized envelope waveform of the EEG waveform and the EMG waveform. If the waveforms all have an amplitude within a predetermined threshold, for a predetermined time interval, a CPU provides a signal to an output display indicative of a epileptic seizure.