Vision and Hearing--Chapter 6_BB

Vision and Hearing--Chapter 6_BB - Sensation and Perception...

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Sensation and Perception
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Overview Introduction Basic Principles of Sensing the World The Six Senses: Vision Hearing Touch Taste Smell Body Position and Movement Perceptual Organization Perceptual Interpretation
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Introduction How do we construct our representations  of the external world? Bottom-up processing Sensation —how we detect physical energy from  the environment and encode it as neural signals Top-down processing Perception— how we select, organize, and  interpret information
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Introduction Another example of top down  processing:
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Introduction “Our perceptions are determined by a  combination of automatic processes that  begin with the properties of the stimulus,  and individualistic processes that depend  on the person’s past experiences,  knowledge and expectations.”    E.  Goldstein (2007)
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