 | About Book of Illusions
Chalked full of optical illusions for you to gaze into and be amazed at how the mind works! See if you got what it takes to fool your brain or your eyes! Book of Illusions features many optical illusions, a slick interface, and sharing capabilities.
An optical illusion sounds pejorative, as if exposing a malfunction of the visual system. Rather, view these phenomena as bringing out particular good adaptations of your visual system to standard viewing situations.
These adaptations are “hard-wired” in our brains, and thus under some artificial manipulations can cause inappropriate interpretations of the visual scene.
As Purkinje put it: “Illusions of the senses tell us the truth about perception” (cited by Teuber 1960).
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