Beyond heart rate in the cardiac psychophysiological assessment of mental effort: the T-wave amplitude component of the electrocardiogram.
D001341:Autonomic Nervous System / Q000502:physiology*; D003071:Cognition / Q000502:physiology*; D004562:Electrocardiography; D006801:Humans; D011601:Psychophysics / Q000379:methods*; D014937:Work