title: Cardiac index of the orientation reaction as a function of anticipation interval.
mesh_terms: D001288:Attention; D003213:Conditioning, Psychological; D005260:Female; D006185:Habituation, Psychophysiologic; D006339:Heart Rate; D006801:Humans; D008297:Male; D009949:Orientation; D011603:Psychophysiology; D011930:Reaction Time; D013315:Stress, Psychological; D013997:Time Factors; D014796:Visual Perception