title: S2 probability and CNV [proceedings].
mesh_terms: D000161:Acoustic Stimulation; D001921:Brain / Q000502:physiology*; D003213:Conditioning, Psychological / Q000502:physiology*; D003265:Contingent Negative Variation; D004569:Electroencephalography; D004585:Electrooculography; D006801:Humans; D010775:Photic Stimulation; D011930:Reaction Time