title: Biofeedback training in frontalis muscle relaxation and enhancement of belief in personal control.
mesh_terms: D000328:Adult; D001676:Biofeedback, Psychology; D004576:Electromyography; D005152:Facial Muscles / Q000502:physiology*; D005260:Female; D005546:Forehead; D006801:Humans; D007389:Internal-External Control; D008297:Male; D009119:Muscle Contraction; D009126:Muscle Relaxation