title: Paradoxical sleep without atonia.
authors.affiliation: Department of Animal Biology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia 19104.
authors.forename: A R
authors.initials: AR
authors.lastname: Morrison
mesh_terms: D000818:Animals; D001921:Brain / Q000502:physiology*; D002415:Cats; D009046:Motor Neurons / Q000502:physiology; D009129:Muscle Tonus; D009434:Neural Pathways / Q000502:physiology; D012895:Sleep, REM / Q000502:physiology*