EEG in Epilepsy: Autism
- Roya Tompkins
- Jul 16
- 2 min read
Continuing in our EEG and Epilepsy Series - let’s take a look at Autism.
Epilepsy is a common condition found in patients with autism spectrum disorder (ASD) with approximately 1/3rd of patient’s with autism also having seizures.
There is also a higher mortality and morbidity associated with seizures in ASD.
This relationship is complex, and the exact reason for the increased risk of seizures in individuals with autism is still being evaluated.
Adding to this concern is that many symptoms of seizures look like the symptoms of autism, making it difficult to distinguish between the two.
But one thing is for sure - if we don’t look for epileptiform activity it can be difficult to know.
Why isn’t an EEG routinely ordered in screening for autism like it is for seizures?
The process of obtaining the test on this patient population is challenging; however, it is worth the effort even when an extended study is needed to best obtain sleep.
One scenario that is often most effective is going to the patient’s home. The process of being in a clinic setting is often stressful and the home setting can increase the chance of a successful test.
What might one expect in the EEG of a patient with autism?
A variety of different seizure types can be seen including:
generalized tonic-clonic seizures,
focal seizures,
and absence seizures.
Even though it may be difficult to recognize seizure activity in ASD, because of the communication barriers and the overlap of symptoms - the EEG can be very useful in distinguishing and best treating these patients.
Take a look back at some of our earlier posts on EEG in Epilepsy:
Roya Tompkins, MS, REEG/EPT, RPSGT
Resources:
Epilepsy Foundation
National Institute of Health
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