title: Voluntary heart rate control and perceived affect.
mesh_terms: D000328:Adult; D001007:Anxiety / Q000628:therapy*; D001676:Biofeedback, Psychology; D003729:Dental Care / Q000523:psychology*; D005260:Female; D006339:Heart Rate; D006801:Humans; D008991:Monitoring, Physiologic / Q000379:methods; D012064:Relaxation Therapy; D013997:Time Factors