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Sensation and Perception

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Grant Clay Period 3 9/14/08 AP Psychology Outline Chapter 4: Sensation and Perception Red ? Definition Blue - Important Points Green - Important People & Contributions Sensation ? The Stimulation of Sense Organs. Perception ? the Selection, Organization, and interpretation of Sensory Input. Psychophysics: Basic Concepts & Issues Psychophysics - Study of how physical stimuli are translated into Psychological Experience. Gustav Fechner Psychophysics Psychologists in 1860?s at University of Leipzig. Wilhelm Wundt based lots of research upon Fechner. Question: For any Given Sense, what is the weakest detectable Stimulus? Absolute Threshold ? Minimum Stimulus Intensity that an Organism can detect.

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