Magnitude of the Zöllner illusion as a function of the perceived length of the obliques.
D000293:Adolescent; D004193:Discrimination Learning; D005260:Female; D006801:Humans; D007088:Illusions; D008297:Male; D009903:Optical Illusions; D009949:Orientation; D010364:Pattern Recognition, Visual; D012858:Size Perception