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Related Experiment Videos

Analysis of aberrant behaviour associated with Rett syndrome.

H S Roane1, C C Piazza, G M Sgro

  • 1The Marcus Institute, Atlanta, GA 30324, USA. henry.roane@marcus.org

Disability and Rehabilitation
|March 15, 2001
PubMed
Summary

Environmental factors influence Rett syndrome behaviors. Interventions targeting reinforcement reduced hand wringing and mouthing, suggesting operant variables can modify aberrant behaviors in Rett syndrome.

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Area of Science:

  • Neurodevelopmental Disorders
  • Behavioral Science
  • Genetics

Background:

  • Rett syndrome is a rare neurodevelopmental disorder.
  • Aberrant behaviors are common in Rett syndrome.
  • The role of environmental factors in maintaining these behaviors is understudied.

Observation:

  • Aberrant behaviors in Rett syndrome, such as hand wringing and hand mouthing, were analyzed.
  • Functional analyses were conducted on two individuals with Rett syndrome.
  • Behaviors were found to be maintained by automatic reinforcement.

Findings:

  • Interventions aimed at disrupting the reinforcement cycle were effective.
  • Preventing automatic reinforcement led to significant reductions in aberrant behaviors.

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  • This suggests that operant conditioning plays a role in behavior maintenance.

    • Implications:

    • Environmental and operant variables can be manipulated to manage Rett syndrome behaviors.
    • Behavioral interventions may be a viable therapeutic approach.
    • Further research into behavioral interventions for Rett syndrome is warranted.