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Clin EEG Neurosci. 2005 Jan;36(1):15-20.

EEG and seizures in autistic children and adolescents: further findings with therapeutic implications.

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  • 1Division of Clinical Neurophysiology and Epilepsy, Department of Neurology, School of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA.


The goal of this study was to investigate the incidence of epilepsy and also the EEG findings among children with autism (A), a devastating disorder, and to compare these data to an EEG control group. EEGs were quantified as to the degree of epileptiform activity and also slow wave abnormalities. Abnormal EEGs were found in 75% of the 59 A children and 82% of their 151 EEGs; 46% had clinical seizures. Nearly all children with seizures had epileptiform activity, but almost 20% of those with spike discharges did not have clinical attacks. Slow wave abnormalities were more frequent and of a greater degree of severity in the A group, compared to controls. One new finding was that a greater variability of EEG abnormalities was found in the A group. Therapeutic implications, based on these latter findings, are discussed.

[PubMed - indexed for MEDLINE]
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