Johnson MR, Sander JWAS. The clinical impact of epilepsy genetics. J Neurol Neurosurg Psychiatry2001;70:428-30.

In paragraph 2, left column, p 428, the word “idiopathic was misplaced during the editorial process. The paragraph should read: ”The role of inheritance in epilepsy is traditionally categorised according to the mechanism of inheritance: (1) mendelian disorders in which the epilepsy forms part of the phenotype; (2) idiopathic epilepsies with mendelian inheritance; (3) idiopathic epilepsies with complex inheritance; (4) epilepsies associated with cytogenetic abnormality.”