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The role of constancy in the perception of illusion.
Member rating: No Rating | Words: | Submitted: Wed May 10 2006
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The role of constancy in the perception of illusion. Perceptual constancy is the sensory information we receive from the environment around us. It is constantly changing around us yet we still see objects as relatively stable and unchanging despite these changes. Our brain applies perceptual constancies to see the world around us accurately, for example, when we look at something in the world around us, our brain picks out cues from the surrounding environment to enable it to make judgment about the distance an object is away from us. The brain applies size constancy (scale it up) to be able to perceive the size accurately. Cues in the environment enable us to accurately perceive size and depth. Visual illusions are specially designed 2D images, which are designed to make us misinterpret the 3D cues so that we see a 3D image for example Figure 1. shows a 2D cube, which gives the...
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