Brain mechanisms and vision; subcortical systems.
D000818:Animals; D002415:Cats; D005829:Geniculate Bodies / Q000502:physiology; D000882:Haplorhini; D008404:Massachusetts; D008636:Mesencephalon / Q000502:physiology*; D010828:Physiology, Comparative; D012589:Sciuridae / Q000502:physiology; D013788:Thalamus / Q000502:physiology*; D014785:Vision, Ocular; D014793:Visual Cortex