We report the first case in which intracranial EEG was used to confirm pilomotor seizures of mesial temporal origin. A 41-year-old man who had pilomotor seizures in the left arm in addition to complex partial seizures was admitted for presurgical evaluation. Intracranial EEG revealed ictal discharges in the left mesial temporal area during left pilomotor seizures. Moreover, electrical stimulation of the left mesial temporal area induced a habitual pilomotor seizure. After anteromesial temporal lobectomy, the patient became seizure-free. The localizing and lateralizing value of pilomotor seizures are discussed.

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