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What can visual search tasks tell us about letter position encoding ?| old_uid | 2080 |
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| title | What can visual search tasks tell us about letter position encoding ? |
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| start_date | 2007/01/19 |
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| schedule | 11h-12h |
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| online | no |
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| summary | Visual search tasks have shown that when searching for a previously cued letter target amongst a random five-letter string, participants are faster at identifying targets in the initial, medial, and final positions compared to those appearing in the second and fourth positions of the array (e.g., Hammond & Green, 1982). I shall present a series of experiments with skilled readers of English that investigated whether orthographic or task-related processes produce the characteristic M-shaped letter search function. Results suggest that exterior letter facilitation originates from orthographic processes. Conversely, medial letter facilitation appears to arise from task-related processes that are not orthographic specific. The results of these experiments are compatible with recent studies of letter position encoding that have used more direct measures of orthographic processing. |
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| responsibles | Pélissier, Grainger |
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