Long-term Outcomes of Toddlers With Autism Spectrum Disorders Exposed to Short-term Intervention

No IQ or Vineland Adaptive Behavior Composite gains were observed from pre- to postintervention in the comparison group receiving public special education

Rebecca J. Landa

2012

Scholarcy highlights

  • In 2 studies, 2year-olds who received short-term intervention showed sustained social, language, and nonverbal cognitive gains through a 6-4 to 12-month followup period
  • No IQ or Vineland Adaptive Behavior Composite gains were observed from pre- to postintervention in the comparison group receiving public special education
  • For autism spectrum disorders severity, a significant decrease in symptoms was found between T1 and T2 while children were enrolled in the early intervention
  • Robust gains were observed from preto postintervention, followed by a period of stabilization, which was followed by a second developmental burst
  • ASD severity significantly decreased between T1 and T2, paralleling the initial robust gain in IQ and communication development achieved during the early intervention
  • ASD symptom severity increased on departure from our early intervention that strategically targeted communication, language, and social functioning

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