According to Livingstone, why do equiluminant colors look unusual?

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According to Livingstone, why do equiluminant colors look unusual?



Answer: This is because when looking at equiluminant colors, the "what" system is activated, and we can identify a particular object. However, the "where" system is not activated, so we can not see position or motion. When we cannot distinguish the position of an object, it may the object/image look jittery or unstable. Page 66.

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