A quantitative analysis of the spatial summation of excitation within the receptive field centers of retinal neurons.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001463:Barbiturates / Q000494:pharmacology; D002415:Cats; D003201:Computers; D003623:Dark Adaptation; D003655:Decerebrate State; D004566:Electrodes; D008027:Light; D009474:Neurons / Q000502:physiology*; D009900:Optic Nerve / Q000502:physiology; D012160:Retina / Q000502:physiology*; D013997:Time Factors; D014794:Visual Fields
D001463:Barbiturates