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Early Diagnostics and Early Intervention in Neurodevelopmental Disorders-Age-Dependent Challenges and Opportunities

Mijna Hadders-Algra1

  • 1University of Groningen, University Medical Center Groningen, Department of Paediatrics-Section Developmental Neurology, 9713 GZ Groningen, The Netherlands.

Journal of Clinical Medicine
|March 6, 2021
PubMed

Insights

Early detection of developmental disorders like cerebral palsy (CP) and autism spectrum disorders (ASD) is possible using specific assessments and understanding brain development milestones. Family involvement is crucial for effective early intervention strategies.

Area of Science:

  • Neuroscience
  • Developmental Pediatrics
  • Child Psychology

Background:

  • Developmental disorders require timely diagnosis and intervention for optimal outcomes.
  • Brain development, including the dissolution of transient structures like the cortical subplate, influences diagnostic windows.
  • Early detection is challenging for conditions like autism spectrum disorders (ASD), with signs often appearing late in the first year.

Purpose of the Study:

  • To review current diagnostic tools and intervention strategies for early detection of developmental disorders.
  • To correlate diagnostic accuracy with specific brain development stages.
  • To emphasize the role of families in early intervention for at-risk infants.

Main Methods:

  • Review of literature on early diagnostic instruments for cerebral palsy (CP) and autism spectrum disorders (ASD).
  • Analysis of neuroimaging and neurodevelopmental assessment tools (e.g., neonatal MRI, General Movements Assessment, Hammersmith Infant Neurological Examination).
  • Examination of predictive value of screening tools (e.g., Modified Checklist for Autism in Toddlers) in relation to brain maturation and familial risk.

Main Results:

  • Neonatal MRI, General Movements Assessment, Hammersmith Infant Neurological Examination, and Standardized Infant NeuroDevelopmental Assessment are key for early CP detection.
  • Early ASD detection is difficult, but prediction improves with tools like the Modified Checklist for Autism in Toddlers during the second year, especially in high-risk children.
  • Diagnostic prediction improves as transient brain structures are replaced by permanent ones, correlating with specific developmental timelines (e.g., cortical subplate dissolution).

Conclusions:

  • Effective early diagnosis of developmental disorders relies on a combination of neuroimaging, standardized assessments, and understanding brain development.
  • Early intervention is most effective when initiated promptly, with families playing a central role.
  • Evidence supports the efficacy of early intervention for medically fragile neonates and infants at various risks for CP and ASD.

Keywords:
autism spectrum disordercerebral palsycortical subplateearly detectionearly interventionfamilygeneral movement assessmentintellectual disabilitymagnetic resonance imaging

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