title: Electrophysiological studies of the echidna, Tachyglossus aculeatus. I. Waking and sleep.
mesh_terms: D000818:Animals; D001143:Arousal; D005075:Biological Evolution; D001831:Body Temperature; D001933:Brain Stem / Q000502:physiology*; D002940:Circadian Rhythm; D004567:Electrodes, Implanted; D004569:Electroencephalography; D004594:Electrophysiology; D005260:Female; D006339:Heart Rate; D006624:Hippocampus / Q000502:physiology*; D008297:Male; D008322:Mammals / Q000502:physiology*; D009132:Muscles / Q000502:physiology; D012119:Respiration; D012621:Seasons; D012895:Sleep, REM