Optical illusion
Optical illusion（The fence it does,) With, it regards eyesight hallucination. Commonly " eye "is called. Concerning the thing and the especially geometric optical illusion which belong to physiological hallucination many types are known. The deceiving picture it depends on the principle which differs.
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Geometric optical illusion
Mueller rear - optical illusion
Length in the central line segment in two figures above is visible, differing, but it is the same length. This kind of optical illusion, is called the optical illusion of size.
Optical illusion of herring
2 these parallel lines above are visible, receiving the influence of oblique line, being warped. Also the curve optical illusion is this kind of optical illusion.
Just low figure
In the figure above, two sectors are isomorphism, but fan type inside namely under is visible largely.
フレイザー figure
This pattern which English psychological scholar フレイザー announces in 1908 is the figure which causes the angular direction optical illusion, also the king of the optical illusion is called. When it tries tracing the figure of eddying condition with the finger, really it understands that it is concentric circle.
Top of Venn ham
When it paints with white and black it turns the top which was divided, the optical illusion that color sensation is born.
In addition
As for A and B the same color
