Variation in the use of cues to guide visual working memory |
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Authors: | Matthew K Robison Nash Unsworth |
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Institution: | 1.Department of Psychology,1227 University of Oregon,Eugene,USA |
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Abstract: | Across two experiments we examined individual differences in the use of precues and retrocues to guide the selective encoding and maintenance of information in visual working memory (WM). In Experiment 1, we used spatial cues to indicate which item would be tested either before or after the presentation of a memory array. Regression analyses allowed us to separate variance due to visual WM capacity and attention control differences. In Experiment 2, we used categorical cues to indicate from which subset of items the tested item would be drawn, and we measured attention control with two independent tasks. Collectively, the results supported the idea that an element of individual differences in WM is the ability to flexibly allocate attention to encode only relevant information and subsequently select relevant information during maintenance stages. |
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