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Related Experiment Video

Updated: Jul 17, 2026

Portable Intermodal Preferential Looking (IPL): Investigating Language Comprehension in Typically Developing Toddlers and Young Children with Autism
10:11

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Published on: December 14, 2012

Comorbidity in children with severe developmental language disability.

M Westerlund1, L Bergkvist, D Lagerberg

  • 1Department of Women's and Children's Health, Uppsala University Children's Hospital, Sweden. Monica.Westerlund@kbh.uu.se

Acta Paediatrica (Oslo, Norway : 1992)
|July 13, 2002
PubMed
Summary

Severe developmental language disability (DLD) often co-occurs with other neurodevelopmental conditions. This comorbidity may not be apparent at age 3, highlighting the need for ongoing assessment and multidisciplinary support.

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Area of Science:

  • Pediatrics
  • Developmental Psychology
  • Speech-Language Pathology

Background:

  • Developmental Language Disability (DLD) is a common childhood disorder.
  • Early identification of severe DLD is crucial for intervention.
  • Comorbidity with other neurodevelopmental conditions is frequently observed in children with DLD.

Purpose of the Study:

  • To investigate the prevalence and nature of comorbidity in children with severe DLD identified at age 3.
  • To determine if comorbidity is evident at the time of initial DLD screening.
  • To emphasize the importance of comprehensive, long-term follow-up for children with severe DLD.

Main Methods:

  • A cohort of 2359 children was screened for severe DLD at age 3.
  • 45 children were identified as true positives for severe DLD.
  • The development and comorbidity of 41 children were followed until school start, using criteria for neuropsychiatric/neurodevelopmental disability or low IQ/behavioral issues.

Main Results:

  • By school start, 61% of children with severe DLD were identified with comorbidity.
  • Comorbidity included diagnosed or suspected neuropsychiatric/neurodevelopmental disabilities.
  • Low performance IQ and signs of activity/distractibility problems were also indicators of comorbidity.

Conclusions:

  • Severe DLD frequently co-occurs with other disabilities in the neuropsychiatric/neurodevelopmental spectrum.
  • Comorbidity may not be apparent at age 3, the age of DLD screening.
  • Multidisciplinary teamwork is essential for effective identification and management of DLD and its comorbidities.