title: Differentiation of two reticulo-hypothalamic systems regulating hippocampal activity.
mesh_terms: D000818:Animals; D001143:Arousal; D002415:Cats; D003452:Cryosurgery; D004558:Electric Stimulation; D004569:Electroencephalography; D006624:Hippocampus / Q000502:physiology*; D007031:Hypothalamus / Q000502:physiology*; D009434:Neural Pathways; D012154:Reticular Formation / Q000502:physiology*