title: Cardiac variability and attention: the possible effects of test situational adaptation.
mesh_terms: D000223:Adaptation, Psychological / Q000502:physiology*; D001288:Attention / Q000502:physiology*; D006185:Habituation, Psychophysiologic / Q000502:physiology; D006339:Heart Rate; D006801:Humans; D001523:Mental Disorders / Q000503:physiopathology* / Q000523:psychology; D011603:Psychophysiology / Q000379:methods; D012559:Schizophrenia / Q000503:physiopathology; D012565:Schizophrenic Psychology