Acoustic evoked potentials and amplitude of the EEG.
D000818:Animals; D001303:Auditory Cortex / Q000502:physiology; D002415:Cats; D002540:Cerebral Cortex / Q000502:physiology*; D004569:Electroencephalography; D005071:Evoked Potentials; D006309:Hearing; D009622:Noise; D014851:Wakefulness