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Video-EEG monitoring is essential for the pre-surgical evaluation of patients with intractable epilepsy. Many authors have described the characteristic features of seizures arising from different brain locations [1–11]. Analysis of video recordings of seizures is usually descriptive and non-standardized in contrast to interictal/ictal EEG patterns or neuroimaging which often receive much greater attention [12]. The value of seizure semiology has not been quantified relative to other modalities such as EEG, MRI or PET.