Visual perception of static and dynamic two-dimensional objects.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D002648:Child; D002657:Child Development; D005556:Form Perception; D006801:Humans; D008875:Middle Aged; D009039:Motion Perception; D011581:Psychological Tests; D013028:Space Perception; D014796:Visual Perception