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NKPW Psychophysiological biofeedback system A computerized device assembly designed for analysis and real-time feedback (biofeedback) of a variety of physiological parameters [e.g., heart rate, respiration, skin conductance, skin temperature, range of motion, force output, electroencephalography (EEG), electromyography (EMG), electrocardiography (ECG) data] to assist a patient in developing a degree of conscious control over typically involuntary functions, usually for relaxation training and muscle re-education. It includes multiple pieces of patient monitoring hardware (e.g., electrodes, sensors), computer interface devices, and dedicated software; it is intended to be used with an off-the-shelf computer. HJLM Biofeedback system application software An application software program designed for use in, or together with, a biofeedback system, so that it may function according to its intended purpose. This software program can be permanently installed, or exchanged as an upgrade. It may also be produced for installation in an off-the-shelf desktop or laptop computer.