US PATENT SUBCLASS 600 / 545
.~.~ With feedback of signal to patient

Current as of: June, 1999
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600 /   HD   SURGERY

300  DF  DIAGNOSTIC TESTING {38}
544  DF  .~ Detecting brain electric signal {1}
545.~.~ With feedback of signal to patient

DEFINITION

Classification: 600/545

With feedback of signal to patient:

(under subclass 544) Subject matter wherein the detected signal, or an output responsive thereto, is presented to the patient.

(1) Note. Included in this subclass are means, referred to in the art as "biofeedback" apparatus, for enabling a patient to perceive, for example, his or her level or state of brain activity.