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Symbol-string sensitivity and adult performance in lexical decision

Lookup NU author(s): Dr Kristen Pammer, Ruth Lavis, Dr Piers Cornelissen

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Abstract

In this study of adult readers, we used a symbol-string task to assess participants' sensitivity to the position of briefly presented, non-alphabetic but letter-like symbols. We found that sensitivity in this task explained a significant proportion of sample variance in visual lexical decision. Based on a number of controls, we show that this relationship cannot be explained by other factors including: chronological age, intelligence, speed of processing and/or concentration, short term memory consolidation, or fixation stability. This approach represents a new way to elucidate how, and to what extent, individual variation in pre-orthographic visual and cognitive processes impinge on reading skills, and the results suggest that limitations set by visuo-spatial processes constrain visual word recognition. © 2005 Elsevier Inc. All rights reserved.


Publication metadata

Author(s): Pammer K, Lavis R, Cooper C, Hansen PC, Cornelissen PL

Publication type: Article

Publication status: Published

Journal: Brain and Language

Year: 2005

Volume: 94

Issue: 3

Pages: 278-296

Print publication date: 01/09/2005

ISSN (print): 0093-934X

ISSN (electronic): 1090-2155

Publisher: Academic Press

URL: http://dx.doi.org/10.1016/j.bandl.2005.01.004

DOI: 10.1016/j.bandl.2005.01.004

PubMed id: 16098378


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