On the problem of the evolution of the vertebrate afferent systems.
D000663:Amphibians; D000818:Animals; D005075:Biological Evolution; D001921:Brain / Q000502:physiology*; D001933:Brain Stem / Q000502:physiology; D002531:Cerebellum / Q000502:physiology; D002540:Cerebral Cortex / Q000502:physiology; D004558:Electric Stimulation; D005071:Evoked Potentials; D005399:Fishes; D008027:Light; D008636:Mesencephalon / Q000502:physiology; D009430:Neural Analyzers / Q000502:physiology*; D009899:Optic Lobe, Nonmammalian / Q000502:physiology; D009900:Optic Nerve / Q000502:physiology; D010828:Physiology, Comparative; D012104:Reptiles; D012154:Reticular Formation / Q000502:physiology; D003336:Tectum Mesencephali / Q000502:physiology