Phases and states of sleep in the rat.
D000818:Animals; D001143:Arousal; D001522:Behavior, Animal; D002540:Cerebral Cortex / Q000502:physiology*; D004567:Electrodes, Implanted; D004569:Electroencephalography; D004576:Electromyography; D005133:Eye Movements; D006624:Hippocampus / Q000502:physiology; D008032:Limbic System / Q000502:physiology; D009132:Muscles / Q000502:physiology; D009333:Neck; D011187:Posture; D051381:Rats; D011919:Rats, Inbred Strains; D012890:Sleep; D012894:Sleep Stages