Two coupled neural oscillators as a model of the circadian pacemaker.
D000818:Animals; D002490:Central Nervous System / Q000502:physiology; D002940:Circadian Rhythm; D008124:Locomotion; D008959:Models, Neurological; D009474:Neurons / Q000502:physiology; D014417:Tupaia / Q000502:physiology*; D014418:Tupaiidae / Q000502:physiology*