The literature from inception to 2020 on the prevalence of epilepsy in autistic individuals was systematically reviewed and further explored by subgroup analyses and meta-regression models. This systematic review is registered with PROSPERO (CRD42020179725). A total of 66 studies from 53 articles were included. The updated pooled prevalence of…

Research is reviewed on epilepsy and findings summarized in terms of intelligence, relationship between etiology and intelligence, seizure frequency, age of onset, duration, premorbid intelligence, and specific psychological defects, electroencephalography (EEG) and IQ, and learning. Among findings noted are that the widespread belief among…