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Related Experiment Videos

Comorbid auditory processing disorder in developmental dyslexia.

Wayne M King1, Linda J Lombardino, Carl C Crandell

  • 1Department of Speech and Hearing Sciences, The Ohio State University, Columbus, OH 43221, USA. king.812@osu.edu

Ear and Hearing
|October 10, 2003
PubMed
Summary
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Approximately half of adults with developmental dyslexia show signs of auditory processing disorder (APD). This suggests a significant overlap warrants clinical attention for both conditions.

Area of Science:

  • Neuroscience
  • Audiology
  • Developmental Psychology

Background:

  • Developmental dyslexia is a common learning disorder affecting reading.
  • Auditory Processing Disorder (APD) affects how the brain processes auditory information.
  • The comorbidity between dyslexia and APD is not fully understood.

Purpose of the Study:

  • To investigate the prevalence of comorbid APD in adults with developmental dyslexia.
  • To compare auditory task performance with reading test results.
  • To develop a clinical profile for individuals with dyslexia and APD.

Main Methods:

  • Eleven adults with dyslexia and 14 controls were tested.
  • Auditory tasks included frequency-pattern test (FPT), duration-pattern test (DPT), and gap detection.

Related Experiment Videos

  • Correlations between auditory and reading tests were analyzed using logistic regression.

    • Main Results:

    • Individuals with dyslexia performed significantly worse on FPT and DPT compared to controls.
    • Nearly 50% of participants with dyslexia met clinical criteria for APD.
    • FPT and DPT scores significantly predicted group membership, unlike gap detection.

    Conclusions:

    • A substantial portion of adults with developmental dyslexia exhibit APD.
    • These findings highlight the clinical significance of comorbid APD in dyslexia.
    • Further research and clinical screening for APD in dyslexic populations are recommended.