title: Voluntary control of heart rate by external feedback in normal children and children with infantile cerebral palsy.
mesh_terms: D000367:Age Factors; D001676:Biofeedback, Psychology / Q000502:physiology*; D002547:Cerebral Palsy / Q000503:physiopathology*; D002648:Child; D002657:Child Development / Q000502:physiology; D004562:Electrocardiography; D006339:Heart Rate; D006801:Humans