11. Intraoperative electrocorticography (ECOG) For seizure focus localization

In this lecture, I will give an overview of different uses of Intraoperative ECoG. I will start with presenting examples of epilepsy surgery cases and clinical scenarios where ECoG recordings help delineating the epileptic focus/foci, such as in: 1 – intractable epilepsy from suspected highly epileptogenic lesion( e.g., cortical dysplasia) in patients at high risk of complications from phase II invasive recordings; 2 – use of ECoG in anterior temporal lobectomies; 3– differentiating between a temporal versus orbitofrontal focus; 4 – surgical management of status epilepticus; 5 – determining unifocal versus multifocal epilepsy in widespread pathology; 6 – use of ECoG in tuberous sclerosis epilepsy.

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