title: Studies on the visual evoked response. II. The effect of special cortical activity.
mesh_terms: D001244:Association; D001288:Attention; D001307:Auditory Perception; D002540:Cerebral Cortex / Q000502:physiology*; D005071:Evoked Potentials; D006801:Humans; D008029:Lighting / Q000295:instrumentation; D014785:Vision, Ocular / Q000502:physiology*; D014796:Visual Perception