Stimulus omission and the orienting response.
D000328:Adult; D005260:Female; D005712:Galvanic Skin Response / Q000502:physiology*; D006185:Habituation, Psychophysiologic / Q000502:physiology*; D006801:Humans; D008297:Male; D009949:Orientation / Q000502:physiology*; D012018:Reflex / Q000502:physiology*; D012737:Sex Factors