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January 1967

Antecedents of Temporal Lobe Epilepsy

Author Affiliations

From the Department of Neurology, University of California Medical Center, San Francisco.

Arch Neurol. 1967;16(1):67-73. doi:10.1001/archneur.1967.00470190071009

TEMPORAL lobe epilepsy formerly was regarded as a late and rare form of convulsive disorder. Gibbs et al in 1943,1 for example, studied the frequency of epilepsy in patients of various ages with only one type of seizure. They found only seven among 134 children with epilepsy who had psychomotor spells before age 10 (Table 1). This 4% incidence nearly doubled (9.3%) in the next age decade and increased to 13.5% in the following decade. The same relationship was found in those patients who had psychomotor spells in combination with other forms of epilepsy.

More recent advances in both clinical2,3 and electroencephalographic methods4 of study have made it apparent that many patients with temporal lobe epilepsy were misdiagnosed previously. The sources of diagnostic error were analyzed in a retrospective study of 204 patients with known temporal lobe epilepsy.5 There were 55% whose condition had been

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