Despite normal performance on tests of anterograde memory, Epileptiform abnormalities arising from the temporal lobes are most often detected on interictal sleep EEG. In the temporal lobes, but transient amnesia is the only manifestation of epilepsy in about one third of patients. Most patients experience other seizure types compatible with an origin Of the retrograde amnesia during attacks varies from days to years. Later be able to "remember not being able to remember".
The anterograde amnesiaĭuring episodes is, however, often incomplete so that patients may Questioning occurs commonly during attacks. Lasting less than one hour, and recurrent, with a mean frequency of RESULTS-TEA usually begins in later life, with a Those of 25 age and IQ matched normal controls. In addition all patients were administered aĬomprehensive neuropsychological test battery designed to assess verbalĪnd non-verbal anterograde memory and retrograde memory for famous Transient amnesia suggested a connection), or ( c) a clearĬut response to anticonvulsant therapy, or by a combination of these Roughly concurrent onset or close association with episodes of ( b) the co-occurrence of other seizure types (if their ThisĮvidence was provided by either ( a) wake or sleep EEG, or Witness (3) there was evidence for a diagnosis of epilepsy. Memory were judged to be intact during typical episodes by a reliable Theĭiagnosis of transient epileptic amnesia was made on the basis of theįollowing criteria: (1) there was a history of recurrent witnessedĮpisodes of transient amnesia (2) cognitive functions other than Neurophysiological (EEG) data were also reviewed in all cases. METHODS-All 10 patients and informants underwent a Published cases and to propose tentative diagnostic criteria for the On 10 personally studied cases as well as review of 21 previously Neuropsychological aspects of transient epileptic amnesia (TEA) based
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