Rapid automatic electroencephalographic evaluation

Details Rapid automatic electroencephalographic evaluation Rapid automatic electroencephalographic evaluation

1980-03-26

1981-07-21

Kamm, William E.

Surgery

Truss

Pad

A61B 504

Patent

active

042792584

ABSTRACT:
The rapid automatic examination and evaluation of large numbers of subjects by electroencephalography is accomplished by removably securing electrodes to the head of each subject under test to provide a plurality of channels of brain wave information corresponding to different head regions. The brain wave signals are amplified, converted into digital form, and the relative power in each of a plurality of frequency bands for each head region is automatically compared with a set of comparative relative power data derived from a normal population by computing a Z-transform. The results of that comparison are then displayed.

REFERENCES:
patent: 3498287 (1970-03-01), Ertl
patent: 3725690 (1973-04-01), Hjorth
patent: 3809069 (1974-05-01), Bennett
patent: 3863625 (1975-02-01), Viglione et al.
patent: 4214591 (1980-07-01), Sato et al.

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