Formation of receptive fields and synaptic inputs to horizontal cells.
D000200:Action Potentials; D000818:Animals; D009474:Neurons / Q000502:physiology*; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000502:physiology; D012160:Retina / Q000166:cytology / Q000502:physiology*; D013569:Synapses / Q000502:physiology*; D014426:Turtles / Q000502:physiology; D014714:Vertebrates / Q000502:physiology