title: Temporal summation in foveal vision.
mesh_terms: D006801:Humans; D008027:Light; D008266:Macula Lutea / Q000502:physiology*; D010786:Photoreceptor Cells / Q000502:physiology; D012160:Retina / Q000502:physiology; D013997:Time Factors; D014785:Vision, Ocular