title: Responses evoked by intermittent illumination and darkening of a non-uniform field.
mesh_terms: D001921:Brain / Q000502:physiology; D003624:Darkness; D004569:Electroencephalography; D005071:Evoked Potentials; D005556:Form Perception; D006801:Humans; D008027:Light; D012160:Retina / Q000502:physiology*