Abstract
Until the past decade, attempts to obtain clinical data on epilepsy were hampered by the lack of a uniform classification of the epilepsies and by variability in recording and interpreting the electroencephalogram. Misconceptions and superstitions still surround the disorder, and historical data are sometimes questionable, if not actually inaccurate. Long-term, carefully controlled clinical studies of epileptic patients have been needed.The reported prevalence of childhood epilepsy has varied from two to eight cases per thousand population.1 One prospective study of 18,500 children, members of a group health plan who were followed from birth to five years of age, indicated that . . .