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Subgrouping children with familial phonologic disorders

B A Lewis1, L Freebairn

  • 1Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA. bxl@po.cwru.edu

Journal of Communication Disorders
|October 6, 1997
PubMed
Summary

Children with familial phonologic disorders showed a tendency toward poorer oral motor skills and articulation. This suggests potential differences in speech and language deficits within familial phonologic disorder subgroups.

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Area of Science:

  • Speech and Language Pathology
  • Genetics
  • Developmental Pediatrics

Background:

  • Speech and language disorders exhibit familial aggregation, suggesting a genetic component.
  • Subgrouping children with phonologic disorders may reveal distinct etiological pathways and clinical profiles.
  • Understanding familial patterns can inform early identification and intervention strategies for speech and language impairments.

Purpose of the Study:

  • To investigate familial aggregation as a basis for subgrouping children with phonologic disorders.
  • To determine if children with a positive family history of speech/language disorders present a unique profile of deficits.
  • To explore potential differences in oral motor skills, articulation, phonology, and language between familial and non-familial phonologic disorder groups.

Main Methods:

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  • Fifty-nine children diagnosed with phonologic disorders were recruited.
  • Participants were categorized into two groups: those with at least one affected nuclear family member and those without.
  • Both groups were assessed on measures of articulation, phonology, language, and oral motor skills. Parental articulation was also evaluated.

Main Results:

  • No significant group differences were observed in speech and language measures between children with and without familial histories.
  • Children with positive family histories tended to perform slightly poorer on all assessed tasks, though not significantly.
  • Parents of children with positive family histories also showed a trend toward poorer articulation compared to parents of children without such histories.

Conclusions:

  • Familial phonologic disorders may be associated with poorer oral motor coordination and productive phonology.
  • While not statistically significant in this study, trends suggest potential subtle differences in affected individuals and their parents.
  • Further research with larger cohorts is warranted to confirm these findings and elucidate the specific characteristics of familial phonologic disorders.