Habituation of the digital vasoconstrictive orienting response.
D000161:Acoustic Stimulation; D000328:Adult; D001307:Auditory Perception; D001810:Blood Volume; D003214:Conditioning, Classical; D005385:Fingers / Q000098:blood supply*; D006185:Habituation, Psychophysiologic; D006801:Humans; D009949:Orientation; D010991:Plethysmography; D011674:Pulse; D011930:Reaction Time; D012107:Research Design