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The study of central auditory processing in stuttering children




There are evidences that indicate a relationship between auditory processing disorders and stuttering.


The aim of the study was to evaluate central auditory processing in stuttering children and to compare the findings with those of normal fluent children.

Patients and methods

Twenty stuttering school-age children of both sexes were included in the study. A control group included 20 age-matched and sex-matched nonstuttering children. Full informed consent from all participants was taken before initiating the study. All participants were subjected to the following central auditory processing tests: pitch pattern sequence test (PPST), dichotic digit test (DDT), speech in noise test (children version) (SPIN), auditory fusion test revised (AFT-R), and binaural masking level difference (MLD) test. All patients were subjected to stuttering severity instrument III to assess their stuttering and its severity.


The stuttering group scored significantly poorer in the PPST, DDT, and SPIN, whereas they scored similar to the control group in MLD and AFT-R. There was no correlation between the severity of stuttering and the performance on the central auditory processing tests.


Stuttering children have an intact brain stem integrity shown by the normal MLD and an intact right hemisphere as signified by the normal right and left ear difference in the DDT and by the improvement in the PPST on humming. Left hemisphere deficit appears in more complicated tasks such as PPST, DDT, and SPIN, but not in simple tasks such as AFT-R. We can conclude that the deficit is within the left cerebral hemisphere.


The effect of the usage of central auditory processing disorder rehabilitation programs on those children should further be assessed.


  1. Bloodstein, O. A handbook of stuttering. 5th ed. San Diego, CA: Singular Publishing Group Inc.; 1995.

    Google Scholar 

  2. Guitar B. Stuttering: an integrated approach to its nature and treatment. Philadelphia, PA: Lippincott, Williams, & Wilkins; 1998.

    Google Scholar 

  3. Smith A, Kelly E. Stuttering: a dynamic, multifactorial model. In: RF Curlee, GM Siegel, editors. Nature and treatment of stuttering: new directions. 2nd ed. Boston, MA: Allyn and Bacon; 1997. 204–217.

    Google Scholar 

  4. ASHA. (Central) auditory processing disorders. The role of the audiologist; 2005. Available at: [Last accessed on 2010 June 14].

  5. Chermak GD, Musiek FE. Comprehensive intervention. Handbook of (central) auditory processing disorder. 2. San Diego, CA: Plural Publishing; 2007.

    Google Scholar 

  6. Musiek FM, Geurkink K, Baran JA. Myelination of the corpus callosum and auditory processing problems in children: theoretical and clinical correlates. Semin Hear 1984; 5: 31–40.

    Google Scholar 

  7. Bellis TJ. Central auditory processing disorders. San Diego, CA: Singular Publishing Group Inc.; 1996.

    Google Scholar 

  8. Musiek F, Pinheiro M. Dichotic speech tests in the detection of the central auditory function. In: Musiek F, Pinheiro M, editors. Assessment of central auditory dysfunction: foundation and clinical correlates. 12th ed. Baltimore, MD: Willians & Wilkins; 1985. 201–218.

    Google Scholar 

  9. Andrade AN, Gil D, Schiefer AM, Pereira LD. Behavioral auditory processing evaluation in individuals with stuttering. Pro Fono 2008; 20: 43–48.

    Article  Google Scholar 

  10. Peñaloza-López YR, Téllez G, Pérez-Ruiz S, Silva MJ, García-Pedroza F. Results from applying the monaural compressed speech test in Spanish at 75% and 100% in cases of stuttering and controls. Rev Neurol 2008; 47: 363–368.

    PubMed  Google Scholar 

  11. Jutras B, Lagacé J, Lavigne A, Boissonneault A, Lavoie C. Auditory processing disorders, verbal disfluency, and learning difficulties: a case study. Int J Audiol 2007; 46: 31–38.

    Article  Google Scholar 

  12. Liebetrau RM, Daly DA. Auditory processing and perceptual abilities of ‘organic’ and ‘functional’ stutterers. J Fluency Disord 1981; 6: 219–231.

    Article  Google Scholar 

  13. Bitan T, et al. Bidirectional connectivity between hemispheres occurs at multiple levels in language processing, but depends on sex. J Neurosci 2010; 30: 11576–11585.

    Article  CAS  Google Scholar 

  14. Strouse A, Grantham D. Temporal processing in aging auditory system. J Acoust Soc Am 1998; 104: 2385–2399.

    Article  CAS  Google Scholar 

  15. Schow R, Seikel J. Screening for (central) auditory processing disorder. In: Chermak G, Musiek F, editors. Handbook of central auditory processing disorder: auditory neuroscience and diagnosis v.1. San Diego, CA: Plural Publishing Inc.; 2007. 137–161.

    Google Scholar 

  16. Moore WH, Haynes WO. Alpha hemispheric asymmetry and stuttering: some support for a segmentation dysfunction hypothesis. J Speech Hear Res 1980; 23: 229–247.

    Article  Google Scholar 

  17. Fox PT, Ingham RJ, Ingham JC, Hirsch TB, Downs JH, et al. A PET study of the neural systems of stuttering. Nature 1996; 382: 158–161.

    Article  CAS  Google Scholar 

  18. Braun AR, Varga M, Stager S, Schulz G, Selbie S, et al. Altered patterns of cerebral activity during speech and language production in developmental stuttering: an H 2 (15)O positron emission tomography study. Brain 1997; 120:761–784.

    Article  Google Scholar 

  19. Weiller C, Isensee C, Rijntjes M, Huber W, Muller S, et al. Recovery from Wernicke’s aphasia: a positron emission tomographic study. Ann Neurol 1995; 37: 723–732.

    Article  CAS  Google Scholar 

  20. Neumann K, Euler HA, Gudenberg AW, Giraud AL, Lanfermann H, et al. The nature and treatment of stuttering as revealed by fMRI: a within- and between-group comparison. J Fluency Disord 2003; 28: 381–410.

    Article  Google Scholar 

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Correspondence to Samir Asal MD.

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Asal, S., Abdou, R.M. The study of central auditory processing in stuttering children. Egypt J Otolaryngol 30, 357–361 (2014).

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