A comparison of oral structure and oral-motor function in young males with fragile X syndrome and Down syndrome.

Full Abstract

This study compared the oral structure and oral-motor skills of 59 boys with fragile X syndrome (FXS), 34 boys with Down syndrome (DS), and 36 developmentally similar typically developing (TD) boys. An adaptation of the J. Robbins and T. Klee (1987) Oral Speech Motor Protocol was administered to participants and their scores on measures of oral structure and accuracy on speech motor and oral-motor tasks were analyzed. Boys with FXS scored lower than TD boys on oral structure, most oral function tasks, and all speech function tasks. Boys with DS scored lower than boys with FXS and TD boys on oral structure, and lower than TD boys on 1 oral function task and all speech function tasks. Boys with FXS and TD boys scored higher on speech function than oral function tasks, while boys with DS scored higher on oral function than speech function tasks. Boys with FXS and boys with DS repeated single syllable words with greater accuracy than multiple syllable words, while the TD boys produced both types of words with equal accuracy. These results suggest that boys with FXS and boys with DS exhibit atypical oral structure and motor function, yet differ in specific oral-motor patterns.

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Author information

Author/s: Barnes, Elizabeth F (EF); Roberts, Joanne (J); Mirrett, Penny (P); Sideris, John (J); Misenheimer, Jan (J);

Affiliation: Frank Porter Graham Child Development Institute, University of North Carolina at Chapel Hill, 105 Smith Level Road, CB# 8180, Chapel Hill, NC 27599-8180, USA. barnes(-atsign-)mail.fpg.unc.edu

Grants: 1 R01 HD044935 (Agency:NICHD NIH HHS) ; 1 R01 HD38819 (Agency:NICHD NIH HHS) ; 1 R03 HD40640 (Agency:NICHD NIH HHS) ; T32-HD40127 (Agency:NICHD NIH HHS)

Journal and publication information

Publication Type: Comparative Study; Journal Article; Research Support, N.I.H., Extramural

Journal: Journal of speech, language, and hearing research : JSLHR (J Speech Lang Hear Res), published in United States. (Language: eng)

Reference: 2006-Aug; vol 49 (issue 4) : pp 903-17

Dates: Created 2006/08/15; Completed 2007/07/30; Revised 2007/12/03;

PMID: 16908884, status: MEDLINE (last retrieval date: 12/26/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adolescent
Articulation Disorders - etiology; pathology; physiopathology
Case-Control Studies
Child
Child, Preschool
Down Syndrome - complications; pathology; physiopathology
Fragile X Syndrome - complications; pathology; physiopathology

Fragile X Syndrome - complications; pathology; physiopathology
Humans
Male
Phonation - physiology
Phonetics
Speech Production Measurement
Stomatognathic System - pathology

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