9-8-08 - Class Notes 09:57:00 Selective Attention Your...

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9/8/08 Class Notes 08/09/2008 09:57:00 Selective Attention Your capacity to register sensory stimuli is limited. You choose certain aspects of the environment to pay attention to Definition: “The ability to process certain of the stimuli available to us while  filtering out other”  Filters Two kinds: o Perceptual: actual physical and physiological limits due to human  capacity Limits our senses o Psychological: ex. Expecting things to make sense, so you ignore the  fact that there are typos, etc.  Some external factors affecting attention o Salience: Stimulus stands out from others o Vividness: Stimulus provokes emotion Perception is an Active Process Selective Perception: an active, sense-making process How is perception ACTIVE? We SELECT (stimuli that are intense, repetitious or changing) We ORGANIZE (scheme based expectancies) We INTERPRET (assign meaning unique to perceiver) Interpretation Perception is evaluated o
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