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AP Psychology- Sensation and Perception

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Deck Created: September 14, 2009
Last Updated: October 03, 2009  by: DemiDec
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Created by: DemiDec Dan
Joined: 10/14/2008
Flashcards Created: 13612
Flashcard Set Questions
1. Sensation
The process of receiving sensory information from the environment.
2. Perception
The process of organizing sensory information.
3. Top-down processing
Information processing that draws on prior knowledge and experiences.
4. Bottom-up processing
Analysis of sensory information beginning with receptors and moving up to the brain’s integration of information.
5. Absolute thresholds
The minimal amount of stimulation needed to detect a stimulus at least half the time.
6. Signal detection theory
A theory guiding the ability to predict the detection of weak stimuli against a background of other stimulation.
7. Just noticeable difference
The minimum difference necessary for a person to differentiate two stimuli at least half the time.
8. Ernst Weber
Discovered the just noticeable difference.
9. Sensory adaptation
An unconscious change in the sensory system’s response to a stimulus.
10. Selective attention
Conscious processing of a limited aspect of experience.
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Sensation The process of receiving sensory information from the environment. This occurs when sensory receptors and the nervous system receive information about the environment. The process of organizing the received information is called perception.
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