Related Experiment Video
Updated: Sep 14, 2026

A Familiarization Protocol Facilitates the Participation of Children with ASD in Electrophysiological Research
Published on: July 31, 2017
Epilepsy in children with autistic spectrum disorder
1Department of Paediatrics, University of Hong Kong, Queen Mary Hospital.
Insights
Epilepsy affects a significant portion of children with autistic spectrum disorder (ASD), with most seizures starting before age one. Autistic children face a higher risk of epilepsy compared to other developmental conditions.
Area of Science:
- Neurodevelopmental disorders
- Pediatric neurology
- Epileptology
Background:
- Autism spectrum disorder (ASD) is a complex neurodevelopmental condition.
- Epilepsy is a neurological disorder characterized by recurrent seizures.
- The co-occurrence of ASD and epilepsy is frequently observed in clinical practice.
Purpose of the Study:
- To determine the prevalence of epilepsy in children diagnosed with autistic spectrum disorder.
- To investigate the characteristics of epilepsy in this population, including age of onset and seizure types.
- To compare the risk of epilepsy in children with ASD to those with other developmental conditions.
Main Methods:
- A prospective study design was employed.
- The study included 246 children diagnosed with autistic spectrum disorder.
- Prevalence rates were calculated for epilepsy within different ASD diagnostic categories.
Main Results:
- Epilepsy was identified in 7.6% of children with infantile autism and 5% with other autistic conditions.
- The majority of seizures began before the age of one year, with a predominance in boys.
- No correlation was found between seizure onset, type, sex, mentality, and epilepsy outcome.
- Children with ASD showed an increased risk of epilepsy compared to those with developmental dysphasia or Down syndrome.
Conclusions:
- Epilepsy is a significant comorbidity in children with autistic spectrum disorder.
- An underlying brain defect may contribute to both autistic manifestations and epilepsy in some children.
- Further research is warranted to understand the complex relationship between ASD and epilepsy.
Abstract:
A prospective study looking at the prevalence of epilepsy in 246 children with autistic spectrum disorder revealed that 7.6% of children satisfying the criteria of infantile autism and 5% of those with an autistic condition had epilepsy. The majority had onset of seizures before the age of 1 year. Boys predominated in both groups. There was no correlation between the age of onset of seizures, type of seizure, sex, mentality, and the outcome of epilepsy. There is an increased risk of epilepsy in autistic children compared to those with developmental dysphasia or Down syndrome. There might be some underlying defect of the brain in autistic children that causes different degrees of autistic manifestation with which epilepsy is associated, as part of the spectrum complex.
More Related Videos
08:17A Semantic Priming Event-related Potential (ERP) Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
Published on: April 12, 2018
09:57Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
Published on: September 20, 2024
Related Concept Videos
Epilepsy and Seizures: Overview
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
Seizures: Classification
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
Autism Spectrum Disorder
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
Seizures l: Introduction
Epilepsy ll: Types