title: Single unit receptive fields and the cellular layers of the pigeon optic tectum.
mesh_terms: D000818:Animals; D001931:Brain Mapping; D003118:Color Perception / Q000502:physiology*; D010856:Columbidae / Q000033:anatomy & histology*; D006185:Habituation, Psychophysiologic; D009474:Neurons / Q000502:physiology*; D013477:Superior Colliculi / Q000033:anatomy & histology / Q000502:physiology*; D014794:Visual Fields; D014795:Visual Pathways / Q000502:physiology