Sensitivity of the observer to transformations of the visual field.
D000328:Adult; D003201:Computers; D003867:Depth Perception; D005260:Female; D006801:Humans; D008297:Male; D008433:Mathematics; D008962:Models, Theoretical; D009039:Motion Perception; D009040:Motion Pictures; D011603:Psychophysiology; D014794:Visual Fields