Visual illusions give us insight into the limitations of our sensory systems in contrast to "seeing is believing."
The perceptual constancies involve those of size, shape, brightness and others. However, there are still learned and environmental factors that can effect these constancies. I searched Google under the key words ""perceptual constancies'" to get these possible sources:
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In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.
I hope this helps. Thanks for asking.