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Related Experiment Videos

Articulation in children with Down's syndrome. A pilot study

A Hohoff1, E Seifert, U Ehmer

  • 1Department of Orthodontics, Westphalian Wilhelms-University, Münster, Germany. hohoffa@uni-muenster.de

Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopadie : Organ/Official Journal Deutsche Gesellschaft Fur Kieferorthopadie
|August 26, 1998
PubMed
Summary

Children with Down syndrome (trisomy 21) exhibit distinct speech articulation patterns compared to typically developing children. Central factors, rather than peripheral ones, appear to significantly influence their articulation abilities.

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Area of Science:

  • Speech-language pathology
  • Genetics
  • Developmental pediatrics

Background:

  • Down syndrome (trisomy 21) is associated with various developmental differences, including potential speech articulation challenges.
  • Understanding these challenges is crucial for effective early intervention and support.

Purpose of the Study:

  • To investigate and compare the articulation patterns of children with Down syndrome (T21) to age-matched controls.
  • To explore the influence of peripheral factors on articulation in T21.

Main Methods:

  • A clinical study utilizing digital sonagraphics to record speech signal parameters (frequency, amplitude, time).
  • Comparison of articulation of the test word "Tasse" between a T21 group (n=10) and a control group (n=10).
  • Evaluation of peripheral factors including Angle Class, overbite, oral motor ability, hearing, logopedics, and treatment.

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Main Results:

  • Children with Down syndrome showed higher variability and longer articulation duration for the test word compared to controls.
  • No clear dependence was found between articulation speed/quality and the evaluated peripheral factors in the T21 group.
  • Reproducible methods revealed differing articulation patterns in T21 children.

Conclusions:

  • Children with Down syndrome demonstrate unique speech articulation patterns.
  • Peripheral factors commonly cited in literature did not show a clear influence on articulation in this T21 cohort.
  • Central factors likely play a significant role in the articulation of children with Down syndrome.