Biofeedback instrumentation: soldering closed the loop.
D001794:Blood Pressure; D003201:Computers; D003365:Costs and Cost Analysis; D004569:Electroencephalography / Q000295:instrumentation; D004576:Electromyography / Q000295:instrumentation; D005246:Feedback; D005712:Galvanic Skin Response; D006339:Heart Rate; D006801:Humans; D011603:Psychophysiology / Q000295:instrumentation*; D012881:Skin Temperature