Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
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The resection of the epileptogenic area of brain is very important and useful for the treatment of uncontrolled epilepsy, especially for the patients with stereotyped partial seizures. The critical point for successful epilepsy surgery is the precise identification of epileptogenic zone. ⋯ The intracranial electrodes which are most used currently are depth electrodes, subdural strip electrodes, and subdural grid electrodes. The subject of this paper is to discuss and compare the indications, construction, insertion, interpretation, limitations, risks and accuracy of each of these methods.