and

DEFINITE and unequivocal examples of musicogenic epilepsy (epilepsy induced by musical sounds) are clinical rarities. In the most comprehensive review, Macdonald Critchley (1937) described eleven cases personally known to him and referred to a further nine culled from the literature. Some of the latter were by no means established, since only short anecdotal accounts were given of them. The onset of symptoms was noted as occurring later than is usual in idiopathic epilepsy. Further, many of the patients displayed an unusual knowledge and a keen appreciation of classical music. The musical stimulus might be of a specific kind, but the nature of the epileptic phenomena varied considerably; in some only minor attacks were induced, and i