TreismanSlides - Definitions Attention: The means by which...

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Definitions Attention : The means by which we actively process a limited amount of information from a large amount of information that is available. Visual Search: A scan of the environment for particular features – actively looking for something when your not sure where it will appear. Target: The item being searched for. Distractor : Non-target stimuli that divert attention away from the target. Display size: Number of items in a visual display (includes #target items and #distractors). Features: Simple properties of a stimulus (e.g. shape, brightness, color, orientation, closure, intersection). Conjunctions: Combinations of features (e.g. a round , yellow circle). Feature Search: A search for a target that contains a unique feature. Conjunction Search : A search for a target defined by a combination of features (e.g., a target that is both red and vertical). Search for Feature Absence : A search for a target defined by the absence of a feature (e.g., a circle without an attached line).
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Features They are simple (elemental) properties of stimuli (e.g. shape, color,
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This note was uploaded on 04/07/2008 for the course INTEGRATIV 163 taught by Professor Mobily during the Summer '07 term at University of Iowa.

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TreismanSlides - Definitions Attention: The means by which...

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