title: Disruption of sinus arrhythmia and its relation to the classification of non-habituating OR measures.
mesh_terms: D000161:Acoustic Stimulation; D000293:Adolescent; D000328:Adult; D006185:Habituation, Psychophysiologic / Q000502:physiology; D006339:Heart Rate; D006801:Humans; D008297:Male; D009949:Orientation / Q000502:physiology*; D012018:Reflex / Q000502:physiology*; D012119:Respiration