What is meant by the term ‘perceptual constancy’?

After defining the above, give four examples of perceptual constancy with ‘gloss constancy’ being one of
those examples.
Is perceptual constancy important for our perception of the world and our interaction with it?
o Compare and contrast one of your example constancies with gloss constancy.
How is computing perceptual constancy a challenge for the brain and what does it need to know to achieve it?
o Illustrate this for one of your example constancies and gloss constancy.
Why does the computation of perceptual constancy sometimes fail?

Sample Solution

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