title: Slow negative potential shifts in a verbal concept formation task.
mesh_terms: D000328:Adult; D001921:Brain / Q000502:physiology*; D003265:Contingent Negative Variation; D004594:Electrophysiology; D007839:Functional Laterality / Q000502:physiology; D006801:Humans; D014706:Verbal Learning / Q000502:physiology*