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Stereotypies and repetitive/restrictive behaviours in infants with autism and pervasive developmental disorder

Johnny L Matson1, Timothy Dempsey, Jill C Fodstad

  • 1Psychology Department, Louisiana State University, Baton Rouge, 70816, USA. johnmatson@aol.com

Developmental Neurorehabilitation
|May 26, 2009
PubMed

Insights

Early identification of Autism Spectrum Disorders (ASD) is possible in infants through assessing stereotyped behaviors. This research highlights key early indicators for timely intervention.

Area of Science:

  • Developmental Psychology
  • Neuroscience
  • Pediatrics

Background:

  • Autism Spectrum Disorders (ASD) present with core symptoms like stereotyped and repetitive behaviors.
  • These core features significantly hinder therapeutic interventions.
  • Limited research exists on early ASD characteristics in infants.

Purpose of the Study:

  • To investigate the nature and extent of stereotyped and ritualistic behaviors in infants.
  • To determine if these behaviors can predict diagnostic group membership in early childhood.

Main Methods:

  • Evaluated 760 infants at risk for developmental delays or disabilities.
  • Utilized the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT) to assess behaviors.
  • Employed Kruskal-Wallis and Mann-Whitney tests for statistical analysis.

Main Results:

  • Infants diagnosed with autism showed the highest levels of stereotypic behavior.
  • Infants with PDD-NOS and atypical development exhibited lower levels, respectively.
  • Specific BISCUIT items accurately predicted diagnostic group membership.

Conclusions:

  • Core features of ASD are identifiable and distinct in infancy.
  • Early identification of these behavioral challenges is feasible.
  • Facilitates earlier intervention and potential symptom alleviation for children with ASD.
Abstract

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