Visual receptive fields of single cells in the pigeon's optic tectum.
D000200:Action Potentials; D000818:Animals; D010856:Columbidae; D004558:Electric Stimulation; D009039:Motion Perception; D003336:Tectum Mesencephali / Q000502:physiology*; D014794:Visual Fields; D014795:Visual Pathways / Q000502:physiology*