title: Narrow-band spatial mechanisms in apparent contrast matching.
mesh_terms: D000221:Adaptation, Ocular; D005556:Form Perception / Q000502:physiology*; D006801:Humans; D008297:Male; D010364:Pattern Recognition, Visual / Q000502:physiology*; D010507:Periodicity; D012684:Sensory Thresholds / Q000502:physiology; D014792:Visual Acuity