Psychophysics. Structured representation in low-level vision.
D005584:Fovea Centralis / Q000502:physiology; D006801:Humans; D008433:Mathematics; D010364:Pattern Recognition, Visual / Q000502:physiology; D014785:Vision, Ocular / Q000502:physiology*; D014794:Visual Fields; D014796:Visual Perception / Q000502:physiology