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Video-EEG with interictal SWC and ictal spikes. LFF: 1 s; HFF: 70 Hz. (A and B) These 4-Hz spike-and-wave complexes were not accompanied by any visible movements (A: Cz referential montage; B: bipolar montage). (C and D) Ictal spikes (C: Cz referential montage; D: bipolar montage).
