We studied 58 patients with partial or generalized epilepsy who had transcranial magnetic stimulation (TMS) of the brain motor regions. Short-term monitoring disclosed that the stimulation did not provoke seizures or EEG changes in any patient. Long-term follow-up disclosed that the epileptic condition was not made worse by TMS. TMS, as currently used for monitoring conduction in central motor pathways, does not induce seizures in drug-treated epileptic patients.
A 60-year-old patient had a 3-year history of recurrent memory disturbances. The video electroencephalographic (EEG) recording of one attack showed that the amnesic state, which clinically resembled transient global amnesia, was characterized by a normal EEG tracing followed by electroclinical complex partial seizures. We suggest that "epileptic" transient global amnesia is postictal in nature.
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