title: Two types of cerebral activation during active sleep: relations to behavior.
mesh_terms: D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001522:Behavior, Animal / Q000187:drug effects / Q000502:physiology*; D001921:Brain / Q000502:physiology*; D002540:Cerebral Cortex / Q000187:drug effects / Q000502:physiology; D006624:Hippocampus / Q000187:drug effects / Q000502:physiology; D008297:Male; D051381:Rats; D012895:Sleep, REM / Q000187:drug effects / Q000502:physiology*; D014520:Urethane / Q000494:pharmacology
chemical_list: D014520:Urethane; D001285:Atropine