Impaired sensitivity to dynamic stimuli in poor readers of a regular orthography

Talcott, Joel B., Gram, Aashild, Van Ingelghem, Mieke, Witton, Caroline, Stein, John F. and Toennessen, Finn E. (2003). Impaired sensitivity to dynamic stimuli in poor readers of a regular orthography. Brain and Language, 87 (2), pp. 259-266.


The mappings from grapheme to phoneme are much less consistent in English than they are for most other languages. Therefore, the differences found between English-speaking dyslexics and controls on sensory measures of temporal processing might be related more to the irregularities of English orthography than to a general deficit affecting reading ability in all languages. However, here we show that poor readers of Norwegian, a language with a relatively regular orthography, are less sensitive than controls to dynamic visual and auditory stimuli. Consistent with results from previous studies of English-readers, detection thresholds for visual motion and auditory frequency modulation (FM) were significantly higher in 19 poor readers of Norwegian compared to 22 control readers of the same age. Over two-thirds (68.4%) of the children identified as poor readers were less sensitive than controls to either or both of the visual coherent motion or auditory 2Hz FM stimuli. © 2003 Elsevier Science (USA). All rights reserved.

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Divisions: Life & Health Sciences > Psychology
Life & Health Sciences
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Uncontrolled Keywords: auditory frequency modulation,dyslexia,reading,temporal processing,visual coherent motion,Language and Linguistics,Neuroscience(all),Experimental and Cognitive Psychology,Neuropsychology and Physiological Psychology
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Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2003-11
Authors: Talcott, Joel B. ( 0000-0001-7958-8369)
Gram, Aashild
Van Ingelghem, Mieke
Witton, Caroline ( 0000-0002-5610-4234)
Stein, John F.
Toennessen, Finn E.


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