The spatial sum of evoked responses to a single stimulus (light or sound) recorded from the human scalp.
D001303:Auditory Cortex / Q000502:physiology; D002540:Cerebral Cortex / Q000502:physiology*; D004569:Electroencephalography; D005071:Evoked Potentials; D006309:Hearing; D006801:Humans; D008027:Light; D008722:Methods; D013016:Sound; D014785:Vision, Ocular; D014793:Visual Cortex / Q000502:physiology