Apparatus for detecting electroencephalogram and evoked response

Details Apparatus for detecting electroencephalogram and evoked response Apparatus for detecting electroencephalogram and evoked response

1986-08-21

1988-01-05

Cohen, Lee S.

Surgery

Truss

Pad

A61B 504

Patent

active

047169079

ABSTRACT:
An electroencephalogram (EEG) and an electrocardiogram (EKG) signal are detected, and said EEG signal is divided into segments in synchronization with said EKG signal, whereby said segmented EEG signals are averaged. EKG-originating noises yielded as such are subtracted from the EEG signal, whereby an actual EEG signal is derived. The resultant actual EEG signal is divided into segments in synchronization with a stimulation signal, and the segmented actual EEG signals are averaged for enhancing an evoked response signal.

REFERENCES:
patent: 4308873 (1982-01-01), Maynard
patent: 4421121 (1983-12-01), Whisler et al.

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