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Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
Published on: April 22, 2015
Regression, developmental trajectory and associated problems in disorders in the autism spectrum: the SNAP study
Gillian Baird1, Tony Charman, Andrew Pickles
1Newcomen Centre, Guy's & St. Thomas' NHS Foundation Trust, London, SE1 9RT, UK. gillian.baird@gstt.nhs.uk
Journal of Autism and Developmental Disorders
|May 2, 2008
Summary
Language regression occurred in 30% of children with autism spectrum disorder (ASD), but not in those without ASD. Regression correlated with increased autistic symptoms and altered developmental paths.
Area of Science:
- Developmental Psychology
- Neurodevelopmental Disorders
- Pediatric Neurology
Background:
- Autism Spectrum Disorder (ASD) is a complex neurodevelopmental condition.
- Understanding developmental trajectories and regression in children with ASD is crucial for early intervention.
- Previous research on regression in ASD has yielded varied findings.
Purpose of the Study:
- To determine the rates of language regression in children with autism spectrum disorder (ASD) and related neurodevelopmental conditions.
- To explore factors associated with regression in this population.
- To investigate the relationship between regression and other clinical features.
Main Methods:
- A population-derived cohort of 255 children aged 9-14 years with special educational needs was studied.
- Participants were categorized into narrowly defined autism, broader ASD, and non-ASD neurodevelopmental problems.
- Rates of language regression and associated clinical findings were analyzed.
Main Results:
- Language regression was reported in 30% of children with narrowly defined autism, 8% with broader ASD, and less than 3% in controls.
- Regression was linked to higher autistic symptom severity and deviations in developmental trajectory.
- No association was found between regression and epilepsy or gastrointestinal issues.
Conclusions:
- Language regression is a significant concern in a notable proportion of children with autism spectrum disorder.
- Regression appears to be associated with core autistic features and broader developmental changes.
- Further research is needed to understand the underlying mechanisms and implications of regression in ASD.
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