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Auditory perceptual grouping and attention in dyslexia

Lookup NU author(s): Professor Christopher Petkov

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Abstract

Despite dyslexia affecting a large number of people, the mechanisms underlying the disorder remain undetermined. There are numerous theories about the origins of dyslexia. Many of these relate dyslexia to low-level, sensory temporal processing deficits. Another group of theories attributes dyslexia to language-specific impairments. Here, we show that dyslexics perform worse than controls on an auditory perceptual grouping task. The results show differences in performance between the groups that depend on sound frequency and not solely on parameters related to temporal processing. Performance on this task suggests that dyslexics' deficits may result from impaired attentional control mechanisms. Such deficits are neither modality nor language-specific and may help to reconcile differences between theories of dyslexia.


Publication metadata

Author(s): Petkov CI, O'Connor NK, Benmoshe G, Baynes K, Sutter ML

Publication type: Article

Publication status: Published

Journal: Cognitive Brain Research

Year: 2005

Volume: 24

Issue: 2

Pages: 343-54

Print publication date: 01/07/2005

ISSN (print): 0926-6410

ISSN (electronic): 1872-6348

Publisher: Elsevier

URL: http://dx.doi.org/10.1016/j.cogbrainres.2005.02.021

DOI: 10.1016/j.cogbrainres.2005.02.021

PubMed id: 15993772


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