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Figure 1: (a) Inter-ictal EEG showing rhythmic right frontal and parasagittal sharp and slow wave discharges (F4-C4, FZ-CZ) with a surface maximum negativity at F4 and (b) The ictal EEG showing rhythmic 2.5-3/second sharp and slow wave activity, confined to the right frontal leads FP2 and F4 and FZ (maximum negative at F4)

Figure 1: (a) Inter-ictal EEG showing rhythmic right frontal and parasagittal sharp and slow wave discharges (F4-C4, FZ-CZ) with a surface maximum negativity at F4 and (b) The ictal EEG showing rhythmic 2.5-3/second sharp and slow wave activity, confined to the right frontal leads FP2 and F4 and FZ (maximum negative at F4)