PSYCH 1X03 Lecture Notes - Lecture 11: Colin Cherry, Speech Shadowing, Computer Monitor

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19 May 2017
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Selection: attending to something causes the object of attention to be selected apart from the rest of the unattended objects. However, sometimes noise overwhelms the signal and distraction occurs. It is difficult to consciously attend to many aspects of the task-environ- ment at the same time because the resources for controlled processes are limited. If a target appears in the cued location, then attention will amplify the perceptual processing of that target and it will be detected quickly. Inspired cognitive model that compares attention processes to a filter which sifts away distractions and only allows important information through o. Spotlight model: examining a flower in a field of grass. Spotlight model: attention would enhance the processing of the single flower rel- ative to the grass. Filter model: attention helps us ignore the grass and allows the flower to continue on for further processing.

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