title: Effects of intensity and the signal value of stimuli on the orienting and defensive responses.
mesh_terms: D001307:Auditory Perception; D003214:Conditioning, Classical; D005260:Female; D005385:Fingers / Q000098:blood supply* / Q000294:innervation; D006185:Habituation, Psychophysiologic; D006257:Head / Q000098:blood supply* / Q000294:innervation; D006309:Hearing; D006801:Humans; D009949:Orientation; D010991:Plethysmography; D013216:Reflex, Startle; D013016:Sound; D013997:Time Factors; D014666:Vasomotor System / Q000502:physiology*