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William G. Hayward & Michael J. Tarr

In: Handbook of Cognition

Chapter 2: Visual Perception II: High-Level Vision

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Visual Perception II: High-Level Vision
Visual perception II: High-level vision
William G.Hayward, Michael J.Tarr

While cognition is possible without perception (e.g. the proverbial ‘brain in a vat’), it is through our perceptual abilities that we can interact with the world. Although we sense our environment through two-dimensional (2-D) arrays of light (or continuous streams of sound energy), what we perceive and think about are three-dimensional (3-D) objects. Consequently, human perception and cognition requires that we explain how humans learn, remember, recognize, manipulate, act on and react to such objects. Perception is the process that allows us to interact with objects in the world, providing both a way to gather information about them and a way of acting upon them.

In humans and other primates, the most salient perceptual ...

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