lower selfconcept scores than eight children treated with CBZ or ethosuximide. In 39 children with newly diagnosed partial seizures, the effects of CBZ and PB were compared on the basis of psychometric and behavioral evaluations at intake and after 6 and 12 months of treatment (30), and no significant differences were found. In a triple crossover double blind study, the neuropsychological effects of CBZ, phe- nytoin (PHT), and PB were compared in 15 adult patients with complex partial seizures (3 1). For statistical analysis, AED levels and seizure frequency were included as covariates. A lower performance for Digit Symbol while patients were on PB was the only statistically significant difference in this study. A comparative open study of the cognitive effects of oxcarbazepine and PHT mono- therapy was carried out in 29 adult patients (32)