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PSYC 1315: Chapter 4 (Questions on Chapter 4 (32a. What is sensation?, 32b…
PSYC 1315: Chapter 4
Questions on Chapter 4
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- What is top down processing?
- What is absolute threshold?
- What is the difference threshold?
- What is signal detection theory?
- What is the difference between color and brightness?
- What are the color vision theories?
- What are the Gestalt principles?
- What are the three characteristics of sounds?
- What are the functions of the bones inside the ear?
Sensation
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Bottom-Up Processing
"Small chunk" processing; starting with "nitty-gritty" details & building upward until the main concept is understood
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Difference Threshold
The minimum difference in two stimuli that can be detected 50% of the time; increases w/ stimulus magnitude
Weber's Law
For two stimuli to be perceived as different, they must differ by a constant minimum percentage (not a constant amount!)
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Structure of the Ear
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Cochlea
Sound waves are transformed into electrical impulses which are sent on to the brain. The brain then translates the impulses into sounds that we know and understand.