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What do visual illusions tell us about information processing?
Member rating: No Rating | Words: | Submitted: Mon Jun 19 2006
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WHAT DO VISUAL ILLUSIONS TELL US ABOUT INFORMATION PROCESSING? Visual illusions help us to understand how the visual pathways organise images into objects. In the following analysis I have given examples of three different types of illusions and detailed how they arise. I have chosen to focus on what visual illusions tell us about perception, as this is the most relevant section, although information processing also includes the areas of memory and attention. I will outline how visual illusions provide supporting evidence as to the way cognitive processes allow us to, in general, make accurate perceptions of objects from visual stimuli. A visual illusion arises when the visual stimuli cannot be perceived in a way that accords with what we can measure. Illusions are cases where we find significant differences between perceived and measured reality. The term perception "refers to the means by which information acquired via the sense organs is transformed...
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