The dependence of threshold for perception of rectangular grating upon the stimulus size.
D000221:Adaptation, Ocular; D005556:Form Perception / Q000502:physiology*; D005583:Fourier Analysis; D006801:Humans; D009949:Orientation / Q000502:physiology; D010775:Photic Stimulation; D011336:Probability; D013028:Space Perception / Q000502:physiology*; D014793:Visual Cortex / Q000502:physiology; D014794:Visual Fields