One of Gombrich's most important themes in Art and Illusion is that of perception. Technically, perception is the process through which a human being gains sensory information about the physical world. Twentieth-century scientists and philosophers have been intrigued by perception and by the way the brain takes sensory information and transforms it into a meaningful picture of the world. For example, how is it that humans have depth perception? How does the brain translate the images on the retina of the eye into a three-dimensional picture of the world? Those who study perception debate whether interpretation of sensory data is innate or learned. In other words, they explore whether people are born with the ability to understand sensory information or must learn how to interpret sensory information through trial and error.
Gombrich, with his.....
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