S197 Foramen ovale electrodes in epilepsy

Temporal lobe epilepsy is the most prevalent type of epileptic syndrome, and also the most frequent type of surgically treatable epilepsy. But in many cases the laterality is difficult to prove based on non-invasive investigations and scalp EEG. There is broad evidence that suggest that the seizure onset zone may be on the opposite side compared to where the seizure is seen on the scalp EEG due to rapid spread to the contralateral side.Based on these data a technique was developed first by Wieser et al., which allowed direct corticographic recordings from the medial temporal structures without performing invasive surgery.

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