title: Ontogeny of levels of neural organization: the righting reflex as a model.
mesh_terms: D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn; D001921:Brain / Q000502:physiology*; D008526:Medulla Oblongata / Q000502:physiology; D008636:Mesencephalon / Q000502:physiology; D011149:Pons / Q000502:physiology; D011187:Posture; D051381:Rats; D012018:Reflex