Sensation_Perception_1_Outline - PSYC1101-I 02/02/2010...

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PSYC1101-I 02/02/2010 I. Definitions a. Sensation: stimulation of sense organs b. Transduction: conversion of physical properties in to neural signals c. Perception: selection, organization, identification, and interception of a sensation II. Psychophysics a. Absolute Threshold: the lowest stimulus intensity that can barely be detected b. Difference Threshold: smallest difference between 2 stimuli that can be perceived Weber’s Law: detection on proportion of change in intensity to the initial intensity of stimulus c. Signal Detection Theory: explains individual differences in detecting the signal within the threshold A &B sensory sensitivity C perceptual sensitivity III. Sensory Adaptation: allows increase sensitivity to changes in stimulation -diminished sensitivity ton an under changing stimulus (HABITUATION) IV. Vision a. Properties of Light Waves (Sensing Light) Vary in … and affects perception of… Length color (hue) Purity saturation (rightness)
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This note was uploaded on 07/14/2010 for the course PSYC 1101 taught by Professor Leader during the Spring '07 term at Georgia Institute of Technology.

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Sensation_Perception_1_Outline - PSYC1101-I 02/02/2010...

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