The cognitive and behavioural difficulties of some children with epilepsy have been attributed to genetics, damage from repeated seizures, subclinical epileptic discharges, postictal states, psychosocial problems, brain abnormalities and antiepileptic drugs. Establishing the relative contributions of these factors has proved difficult. Epilepsy and/or antiepileptic drugs are thought to affect, in particular, intelligence, memory, learning, attention, motor skills and behaviour, but such problems may be present at …