Spectral analysis of sinus arrhythmia during mental loading.
D001146:Arrhythmia, Sinus; D003657:Decision Making / Q000502:physiology*; D004192:Discrimination, Psychological / Q000502:physiology; D004562:Electrocardiography; D005556:Form Perception / Q000502:physiology; D006339:Heart Rate; D006801:Humans