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Non-specific markers of neurodevelopmental disorder/delay in selective mutism--a case-control study.

H Kristensen1

  • 1Nic. Waal's Institute and Regional Centre for Child and Adolescent Psychiatry, Oslo, Norway. hanne.kristensen@r-bup.no

European Child & Adolescent Psychiatry
|May 30, 2002
PubMed
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Children with selective mutism (SM) show neurodevelopmental differences, including motor coordination issues and physical anomalies. These findings suggest biological factors contribute to SM development.

Area of Science:

  • Child Psychology
  • Neurodevelopmental Disorders
  • Speech and Language Pathology

Background:

  • Selective mutism (SM) in children is often linked to language disorders, suggesting underlying neurobiological influences.
  • Motor coordination problems, perinatal issues, and minor physical anomalies are potential markers of neurodevelopmental delay.

Purpose of the Study:

  • To investigate neurodevelopmental markers in children with selective mutism.
  • To compare children with SM, with and without communication disorders, to matched controls.

Main Methods:

  • Parent-reported motor developmental delay.
  • Pre- and perinatal "reduced optimality score" assessment.
  • Motor performance testing and evaluation of minor physical anomalies.

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Main Results:

  • Children with SM reported more motor developmental delays and had higher "reduced optimality scores" than controls.
  • SM group exhibited lower motor performance and a higher frequency of minor physical anomalies.
  • No significant differences were found between SM subgroups with and without communication disorders regarding these markers.

Conclusions:

  • Neurobiological factors likely play a role in the development of selective mutism.
  • Clinical assessment for SM should include detailed motor development history and current motor skills evaluation.
  • Addressing the interplay between social anxiety and motor difficulties is crucial for effective intervention.