title: A re-examination of contrast threshold difference between spatial sine-wave and square-wave gratings.
mesh_terms: D005556:Form Perception / Q000502:physiology*; D006801:Humans; D009903:Optical Illusions / Q000502:physiology; D010364:Pattern Recognition, Visual / Q000502:physiology*; D011287:Prejudice / Q000502:physiology; D014792:Visual Acuity