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What is the Relationship Between Autism Spectrum Disorders and Epilepsy?

Roberto Tuchman¹

¹From the Department of Neurology, Nicklaus Children's Hospital Miami Children's Health System, Miami, FL.

Seminars in Pediatric Neurology

|December 19, 2017

Summary

This summary is machine-generated.

Autism spectrum disorder (ASD) and epilepsy share bidirectional links, particularly with intellectual disability (ID). Addressing both seizures and social-cognitive deficits is vital for improving outcomes in co-occurring conditions.

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Area of Science:

Neuroscience
Developmental Psychology
Clinical Neurology

Background:

Autism spectrum disorder (ASD) and epilepsy frequently co-occur, suggesting shared underlying mechanisms.
The relationship is bidirectional, with intellectual disability (ID) playing a significant role.
Early-onset seizures and infantile spasms increase ASD risk, while ID elevates epilepsy risk in ASD patients.

Purpose of the Study:

To explore the intricate relationship between ASD, epilepsy, social cognition, and nonsocial cognition.
To understand the impact of ID on the comorbidity of ASD and epilepsy.
To highlight the importance of cognitive deficits in neurodevelopmental outcomes.

Main Methods:

Review of existing literature on the association between ASD and epilepsy.
Analysis of cognitive profiles (social and nonsocial) in individuals with co-occurring conditions.
Examination of seizure characteristics and developmental trajectories.

Main Results:

A strong bidirectional link exists between ASD and epilepsy, significantly influenced by ID.
Early-onset seizures and infantile spasms are associated with a higher risk of ASD.
Individuals with ASD and ID have an increased risk of developing epilepsy, with seizure prevalence rising with age.

Conclusions:

Common pathophysiological mechanisms underlie coexisting ASD and epilepsy.
Social-cognitive deficits are key determinants of neurodevelopmental outcomes in epilepsy, with or without ID.
Comprehensive management requires seizure control and targeted interventions for social-cognitive deficits to optimize outcomes.