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PSY-102 Week Three Notes

by: Kristine Luengas

PSY-102 Week Three Notes PSY 102

Marketplace > Grand Canyon University > PSY 102 > PSY 102 Week Three Notes
Kristine Luengas

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About this Document

These notes go over Chapter three
General Psychology
Laura Terry
Class Notes
Psychology, sensation, perception, #Psychology #Senses #Perception #WebersLaw
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This 2 page Class Notes was uploaded by Kristine Luengas on Wednesday September 21, 2016. The Class Notes belongs to PSY 102 at Grand Canyon University taught by Laura Terry in Fall 2016. Since its upload, it has received 5 views.


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Date Created: 09/21/16
PSY-102 Chapter 3: Sensation and Perception  Sensation o Physical response requiring the activation of sense organs by a source of energy  Perception o Sorting out, interpreting, analyzing, and integrating of stimuli by sense of organs and brains  Psychophysics o Study of relationship between physical aspects of stimuli and psychological experience with them  Central role in developing of field of psychology  Absolute Threshold o Smallest intensity of a stimulus that must be present for it be detected  Difference Threshold o Smallest level of added/reduced stimulation required to sense a change in stimulation has occurred  Weber’s Law o Just noticeable difference is a constant proportion to the intensity of an initial stimulus (rather than a constant amount)  Color Blindness o Red-Green: objects appear yellow o Yellow-Blue: unable to tell the difference between both o No color  Olfactory Cells (smell) o Molecules enter nasal passages and pass over olfactory cells, responses sent to brain, where they are combined into recognition of a particular smell  Gustation (taste) o Sweet, sour, salty, bitter (possible fifth sense- Umami) o Taste buds replaced every 10 days 2


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