title: Placebo effects in biofeedback and self-perception of muscle tension.
mesh_terms: D001676:Biofeedback, Psychology; D005260:Female; D006801:Humans; D007699:Kinesthesis; D007821:Laryngeal Muscles / Q000502:physiology; D008297:Male; D008406:Masseter Muscle / Q000502:physiology; D009119:Muscle Contraction; D010465:Perception; D010919:Placebos; D011932:Reading
chemical_list: D010919:Placebos