Patients with drug-refractory epilepsy sometimes need to be implanted with intracerebral electrodes in order to identify their seizure onset zone. During this procedure, direct electrical brain stimulations represent a standard clinical practice to assess seizure sensitivity and for functional mapping. This study aims at assessing if extending the range of stimulation frequencies of the usual clinical frequencies is of benefit for the definition of the seizure onset zone and hence for the presurgical planning.
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Comparison of the index of efficient stimulation between standard clinical stimulation condition and StiMic stimulation condition
Timeframe: 22 days after implantation of electrode