Abstract
SYNOPSISBiofeedback training is assumed to attenuate the psychophysiological effects of cognitive stressors. This study compared the effects of four varieties of biofeedback, namely, frontalis EMG, finger temperature, skin conductance, and false EMG feedback, in the treatment of severe migraine headache. Before and after treatment there was a psychophysiological assessment during attempted relaxation and during exposure to a variety of cognitive stressors. There was a statistically and clinically significant reduction in headache activity after treatment, with the four procedures being equally effective. Frontalis EMG biofeedback was superior to finger temperature, skin conductance, and false EMG biofeedback as a means of reducing scalp muscle tension, and showed some generalization to other physiological measures. There was no evidence that the physiological effects of the cognitive stressors were modified by any of the biofeedback procedures.
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