Influence of the states of awareness upon sensory evoked potentials.
D000818:Animals; D001143:Arousal; D001288:Attention; D002540:Cerebral Cortex / Q000502:physiology*; D004432:Ear, Middle / Q000502:physiology; D004594:Electrophysiology; D006168:Guinea Pigs; D006309:Hearing; D006801:Humans; D008027:Light; D009900:Optic Nerve / Q000502:physiology; D051381:Rats; D011984:Sensory Receptor Cells / Q000502:physiology*; D014785:Vision, Ocular / Q000502:physiology*