Figure 1
Interictal recordings.
(A) Note the presence of focal slow waves, spikes, and sharp waves (arrows), localized over the left frontal area. (B) Focal slow activity with occasional sharp morphology, localized on the left frontal lobe.
Low filter: 0.5 Hz; high filter: 70 Hz; notch filter: 50 Hz. Vertical bar: 100 μV; horizontal bar: 1 second.