title: Phasic T-wave amplitude and heart rate changes as indices of mental effort and task incentive.
mesh_terms: D000293:Adolescent; D000328:Adult; D001341:Autonomic Nervous System / Q000502:physiology*; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008606:Mental Processes / Q000502:physiology*; D009042:Motivation / Q000502:physiology*