Other Senses--Chapter 6_BB

Other Senses--Chapter 6_BB - Sensation and Perception...

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Unformatted text preview: Sensation and Perception Overview I ntroduction Basic Principles of Sensing the World The Six Senses: Vision Hearing Touch Taste Smell Body Position and M ovement Per ceptual Or ganization Per ceptual I nter pr etation Touch Pressure, warmth, cold, pain and variations such as itch and tickle Only pressure has known receptors! Pain Bottom-up and top-down processing Phantom limb (sensing without functioning senses) Gate control theory such that large fiber activity in spinal cord can close the gate psychological influences Stress of combat, sports injuries going unnoticed during competition, placebo effect in 35% of patients with pathological pain I dea that pain requires attention? Taste A chemical sense Taste Sweet, sour, salty, bitter and umami Taste receptors are not specific to certain regions of tongue Sensory I nteraction Taste preferences being suspicious of novel things makes evolutionary sense, but exposure tends to make us like them better Experience shapes taste preferences Smell A chemical sense I t takes practice to identify specific odors Smell Gender-related odors 80% accuracy rate in detecting if hand was...
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This note was uploaded on 06/25/2011 for the course PSYC 101 taught by Professor Cusaac during the Fall '08 term at South Carolina.

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Other Senses--Chapter 6_BB - Sensation and Perception...

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