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Related Experiment Videos

Chewing indicators between adults with Down syndrome and controls.

M Hennequin1, P J Allison, D Faulks

  • 1EA 3847, Faculty of Dentistry, University of Auvergne, 11 boulevard Charles de Gaulle, 63000 Clermont-Ferrand, France. martine.hennequin@u-clermont1.fr

Journal of Dental Research
|October 26, 2005
PubMed
Summary

Adults with Down syndrome exhibit altered chewing patterns, including reduced chewing frequency and difficulty eating various foods, impacting their orofacial function and feeding abilities.

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Area of Science:

  • Neurology
  • Genetics
  • Speech and Hearing Sciences

Background:

  • Down syndrome (DS) is associated with neuromotor deficits affecting orofacial muscles.
  • These deficits may contribute to the feeding difficulties experienced by individuals with DS.

Purpose of the Study:

  • To compare chewing indicators in adults with Down syndrome versus healthy controls.
  • To identify specific differences in masticatory function.

Main Methods:

  • Video analysis of a standardized meal with 10 natural foods.
  • Quantification of masticatory time, cycle count, frequency, open cycles, and food refusals.
  • Comparison between 11 adults with DS and 12 healthy adults.

Main Results:

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  • Significant differences observed in masticatory time and cycle counts between groups.
  • Adults with DS demonstrated significantly lower chewing frequency for most foods.
  • Individuals with DS were unable to consume all presented food textures.

Conclusions:

  • Chewing performance is measurably different in adults with Down syndrome.
  • Neuromotor deficits in DS impact orofacial musculature, leading to impaired mastication and potential feeding challenges.