Increment thresholds for striped and uniform test fields as a function of background level.
D005364:Field Dependence-Independence; D005556:Form Perception; D006801:Humans; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000502:physiology; D011603:Psychophysiology; D011999:Recruitment, Neurophysiological; D014792:Visual Acuity