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What do letter migration errors reveal about letter position coding in visual word recognition?

What do letter migration errors reveal about letter position coding in visual word recognition?

Journal of Experimental Psychology. Human Perception and Performance 30(5): 923-941

Dividing attention across multiple words occasionally results in misidentifications whereby letters apparently migrate between words. Previous studies have found that letter migrations preserve within-word letter position, which has been interpreted as support for position-specific letter coding. To investigate this issue, the authors used word pairs like STEP and SOAP, in which a letter in 1 word could migrate to an adjacent letter in another word to form an illusory word (STOP). Three experiments show that both same-position and adjacent-position letter migrations can occur, as well as migrations that cross 2 letter positions. These results argue against position-specific letter coding schemes used in many computational models of reading, and they provide support for coding schemes based on relative rather than absolute letter position.

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Accession: 012748092

Download citation: RISBibTeXText

PMID: 15462631

DOI: 10.1037/0096-1523.30.5.923

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