title: Spatial-frequency channels in human vision.
mesh_terms: D004594:Electrophysiology; D006801:Humans; D008027:Light; D008433:Mathematics; D009900:Optic Nerve / Q000502:physiology; D011601:Psychophysics; D012160:Retina / Q000502:physiology; D013997:Time Factors; D014785:Vision, Ocular; D014794:Visual Fields; D014796:Visual Perception