Method and apparatus for monitoring skin potential response

Details Method and apparatus for monitoring skin potential response Method and apparatus for monitoring skin potential response

1976-11-19

1978-05-09

Michell, Robert W.

Surgery

Truss

Perineal

35 22R, A61B 505

Patent

active

040881253

ABSTRACT:
Biofeedback training of a subject may be achieved by monitoring the skin potential response of the subject and by shaping the monitored response so that a feedback signal is generated only if the response exceeds pre-established upper and lower limits which may be selectively increased or decreased. Biofeedback apparatus for implementing this technique includes electrodes for sensing the skin potential, an amplifier for amplifying the signal and feeding the signal into a pair of variable comparators which provide output when the response exceeds preset upper and lower limits. The outputs, in turn, provide a feedback signal either audio or visual, or to serve as inputs to auxiliary instrumentation. No feedback signal is produced as long as the monitored signal is within the selected limits. The magnitude of the responses may be quantified to the extent that they exceed the preset levels. The audio feedback signals may be recorded on a common audio cassette recorder. The method and the apparatus are useful in a clinical verbal interview.

REFERENCES:
patent: 2829638 (1958-04-01), Douglas
patent: 2902030 (1959-09-01), Kennedy et al.
patent: 3727604 (1973-04-01), Sidwell et al.
patent: 3772593 (1973-11-01), Sidhu
patent: 3901214 (1975-08-01), Taaffe
patent: 3920003 (1975-11-01), Ash et al.
patent: 3958563 (1976-05-01), Fernandez et al.

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