الفهرس 
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Abstract
Many studies have shown that EEG changes can be found in children with mental disorders, those EEG changes can be used to confirm the diagnose, and recent studies have showed that it can be used to suggest a treatment protocol and predict the response to the treatment.
The current study was done to assess the correlation between electrophysiological changes using EEG and pediatric mental disorders namely autism spectrum disorder, ADHD and primary monosymptomatic nocturnal enuresis.
This cross-sectional study enrolled 100 children with pediatric mental disorders of both sex (30 autism spectrum disorder, 30 ADHD, 40 primary monosymptomatic nocturnal enuresis) they were recruited consecutively from those under regular follow up during the period from September 2019 to July 2021 at Child Psychiatry Clinic, Children’s hospital, Ain Shams University who their care giver agreed to participate in our study.
For all the enrolled children we collected full history, clinical examination, psychometric assessment (specific scales for the disorder CARS for ASD, Conner’s rating scale for ADHD, IQ assessment, DSM-V diagnostic criteria for each disorder) and EEG test.
EEG epileptogenic changes were found in 5 children out of 100 children diagnosed with pediatric mental disorders (3 children with autism spectrum disorder, 1 child with primary monosymptomatic nocturnal enuresis,1 child with ADHD).
In assessing the correlation between EEG epileptogenic changes and pediatric mental disorders, our study showed non-significant correlation between EEG epileptogenic changes and children with autism spectrum disorder, ADHD nor primary monosymptomatic nocturnal enuresis.
In assessing the correlation between NICU admission and pediatric mental disorders, our study showed significant correlation between NICU admission and subsequent development of autism spectrum disorder and ADHD, but nonsignificant correlation between NICU admission and subsequent development of primary monosymptomatic nocturnal enuresis.
The frequency of EEG changes recorded in the current study was much less than similar studies that necessitates further studies on larger samples with more advanced EEG techniques.