Epilepsy is a common neurologic disorder which affects about 1% of the U.S. population [1]. Most new cases of epilepsy occur in the elderly, with an annual incidence rate of 240 per 100,000 in people aged 65 and older in the United States [1]. Among patients with new-onset epilepsy, almost 50% of the causes can be explained by an underlying etiology, such as vascular diseases, tumors or metabolic disorders [2]. Around 30-40% of new epilepsy cases among the elderly are accounted for by previous cerebrovascular hemorrhages or ischemic accidents.
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