Instability of the central nervous system.
D000818:Animals; D001303:Auditory Cortex / Q000502:physiology; D002415:Cats; D002540:Cerebral Cortex / Q000502:physiology*; D005071:Evoked Potentials; D006185:Habituation, Psychophysiologic; D006309:Hearing; D008027:Light; D008959:Models, Neurological; D009430:Neural Analyzers / Q000502:physiology; D009622:Noise; D011817:Rabbits; D014785:Vision, Ocular; D014793:Visual Cortex / Q000502:physiology