Are auditory and visual processing deficits related to developmental dyslexia?

George K. Georgiou*, Timothy C. Papadopoulos, Elena Zarouna, Rauno Parrila

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)


The purpose of this study was to examine if children with dyslexia learning to read a consistent orthography (Greek) experience auditory and visual processing deficits and if these deficits are associated with phonological awareness, rapid naming speed and orthographic processing. We administered measures of general cognitive ability, phonological awareness, orthographic processing, short-term memory, rapid automatized naming, auditory and visual processing, and reading fluency to 21 Grade 6 children with dyslexia, 21 chronological age-matched controls and 20 Grade 3 reading age-matched controls. The results indicated that the children with dyslexia did not experience auditory processing deficits, but about half of them showed visual processing deficits. Both orthographic processing and rapid automatized naming deficits were associated with dyslexia in our sample, but it is less clear that they were associated with visual processing deficits.

Original languageEnglish
Pages (from-to)110-129
Number of pages20
Issue number2
Publication statusPublished - May 2012
Externally publishedYes


  • auditory
  • dyslexia
  • naming
  • orthography
  • visual


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