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Autism and tuberous sclerosis complex: prevalence and clinical features
1Department of Psychiatry, University of Iowa Hospitals and Clinics, Iowa City 52242, USA.
Journal of Autism and Developmental Disorders
|August 26, 1998
Summary
Autism prevalence in tuberous sclerosis complex (TSC) was assessed. A 20% prevalence of autistic disorder was found in 20 subjects, suggesting potential links to hypsarrythmia and cardiac issues.
Area of Science:
- Neurodevelopmental disorders
- Genetics and rare diseases
Background:
- Tuberous sclerosis complex (TSC) is a genetic disorder.
- Autism Spectrum Disorder (ASD) affects social interaction and communication.
Purpose of the Study:
- To determine the prevalence of autism in a clinical sample of individuals with TSC.
- To explore potential associations between TSC-related conditions and autism.
Main Methods:
- Hierarchical assessment approach.
- Screening using the Autism Behavior Checklist.
- Diagnostic evaluation with the Autism Diagnostic Interview and clinical observation.
Main Results:
- A conservative estimate of 20% prevalence for autistic disorder in the TSC sample.
- Possible association between hypsarrythmia and autism in TSC.
- Potential link between TSC-related cardiac abnormalities and autism.
Conclusions:
- Autism is prevalent in individuals with TSC.
- Hypsarrythmia and cardiac abnormalities may be associated with autism in this population.
- Findings have implications for clinical practice and future research in TSC and autism.