Peri-ictal water drinking lateralizes seizure onset to the nondominant temporal lobe.

Trinka, E; Walser, G; Unterberger, I; Luef, G; Benke, T; Bartha, L; Ortler, M; Bauer, G · Neurology · 2003

case_series · Level IV

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Abstract

The authors describe seven patients with medically refractory temporal lobe epilepsy whose seizures were associated with peri-ictal water drinking behavior. Presurgical evaluation, including video-EEG monitoring, MRI, SPECT, and neuropsychological testing, revealed a seizure onset in the nondominant temporal lobe. All patients had an excellent outcome after epilepsy surgery. Peri-ictal water drinking may represent a lateralizing sign indicating seizure onset in the nondominant temporal lobe.

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