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Feature Integration Theory

Feature Integration Theory - features involved divided...

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Feature Integration Theory (Treisman & Gelade, 1980, Treisman, 1992. 1993) theory of attention and perceptual processing a) sometimes process all parts of a scene in parallel (at the same time) b) sometimes process parts of the scene serially (one at a time) respectively, testing two types of processing: a) processing that involves divided attention (automatic registration of features in parallel) b) processing that requires focused attention (a more demanding kind of processing that is required when objects are more complex) respectively, using two types of stimulus situations to test two different types of processing: a) isolated features T I Y b) combination features T I Z Treisman and Gelade (1980) hypothesized that if isolated
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Unformatted text preview: features involved divided attention and targets could be identified in parallel with fillers, and combination features involved focused attention and targets could be identifiedserially with the fillers, then: isolated features RTs < conjunction features RTs they found with T I Y = 800 ms and T I Z = 1200 ms what does this tell us? theoretically, provides support for feature integration theory -- people must focus attention on a stimulus before they can synthesize its features into a pattern practically, this is not just visual. ..auditory too. .. you must focus your attention on complex incoming information in order synthesize it into a meaningful pattern...
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