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Unformatted text preview: 1 Lecture 7: Attention II Fall 2007 Prof. Lombrozo Overview of todays class: 1. Focusing: The span of apprehension 2. Binding: Feature integration theory 3. Action: The Stroop effect 4. Midterm questions? Reminder: Midterm on Wednesday! Bring a scantron! The Functions of Attention Focusing : Limiting the number of items being processed. Perceptual enhancement : Increasing the gain of a stimulus in the environment. Binding : Combining perceptual information about different properties into a percept of a single object. Sustaining behavior : Maintaining an action in the presence of potential distractors. Action selection : choosing an action to be performed from among a set of possibilities. 7.2 Attention: one capacity or many? Theoretical considerations: Functions satisfy distinct goals. Empirical considerations: Functions are neurologically separable. 7.3 Goal : To reduce computational complexity & internal error by reducing number of possibilities considered. Goal : To limit processing to information that will usefully guide decisions and behavior. 2 The Functions of Attention 7.4 Focusing : Limiting the number of items being...
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This note was uploaded on 10/01/2011 for the course COG SCI 10 taught by Professor Lombrozo during the Fall '09 term at University of California, Berkeley.
- Fall '09