Psychogenic Seizures in Old Age: A Case Report

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Abstract
Psychogenic seizures are unusual after age 60 years. A 73-year-old woman had onset of psychogenic seizures at age 69 years. Five to six attacks occurred each month, usually at night, characterized by an initial subjective sensation and headache followed by generalized stiffening and shaking. Continuous EEG-closed circuit television (EEG-CCTV) monitoring clearly showed these episodes to be nonepileptic. Discontinuation of antiepileptic drugs (AEDs) did not increase the frequency or severity of attacks. Epileptiform discharges were not recorded during the awake, drowsy, or sleeping states. Psychiatric evaluation identified significant turmoil in the patient's life and a history of childhood sexual and physical abuse. Psychogenic seizures may begin in old age and should be considered in the differential diagnosis of intractable seizures in the elderly. Predominantly nocturnal occurrence should not exclude the diagnosis.