Journal
SPATIAL VISION
Volume 22, Issue 6, Pages 473-491Publisher
VSP BV
DOI: 10.1163/156856809789822989
Keywords
Reading; word recognition; backward masking; lexical codes; abstract lexical code; rate-limiting processes in reading; word superiority effects (absence of); word length effects (absence of)
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Funding
- Medical Research Council Funding Source: Medline
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In three experiments, the rate of acquisition of information from a Visual display was measured, using Sperling's method of backward masking (Sperling, 1963). Experiment I (which included a control for letter redundancy) showed that the rate of acquisition from an array of letters or words is determined not by the number of visual features or letters to be processed, but by the number of names into which they are to be encoded. In a second, control experiment, no effect was found on acquisition rate of restricting the letter ensemble-size. The third experiment showed that the time needed to identify words of the same frequency of occurrence was identical for words of three or six letters and of one or two syllables. The results are contrasted with those obtained in RT and comparison tasks. They are interpreted as evidence that (1) the backward masking paradigm provides a direct measure of word identification latency; (2) visually presented words are processed as wholes: that is, prior to word identification there is no intermediate stage of representation - not subject to backward masking - in units (e.g., syllables, spelling patterns) smaller than a complete word; (3) words are initially represented in an abstract lexical code, which does not reflect either visual or motor attributes of the word name.
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