Introduction to Sensation and Perception

Introduction to Sensation and Perception - Introduction to...

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Introduction to Sensation and Perception Overview of Today: 1. Discuss Basic Processes of Sensation and Perception 2. Review Visual Processes in Detail, with figures and videoclips 3. Examine How Perception is “Constructed” and what features influence the construction process sensation: physical stimuli center into the body, chemical process involves an output perception: mental, cognitive process; building a world out of sensation Basic Processes of Sensation - how do you know what is going on at any given moment 1. 1) Modification via accessory structures 2. 2) Transduction 3. 3) Encoding 4. 4) Representation in Cortex Modification of Stimuli via Accessory Structures 1. e.g., lens of eye is accessory structure that changes light by focusing it 2. - image projected from the lens back into the eyeball - adjusts image so we can see it 1. outer part of ear is accessory structure that collects sound - stimulation needs to be modified to be used Detectable Energy is Transduced 1. Transduction is process of converting energy into neural activity - chemical changes - final neural activity action potential
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This note was uploaded on 02/29/2012 for the course PSYCH 202 taught by Professor Roberts during the Fall '06 term at Wisconsin.

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Introduction to Sensation and Perception - Introduction to...

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