Fig. 1.

Continuous right posterior quadrant seizures.

This is an A-P longitudinal bipolar montage. The top Fig. 1a shows semi-rhythmic right posterior quadrant slowing depicted by the blue arrow. Fig. 1b shows a buildup of activity with fast spikes having a maximum negativity at O2 depicted by the green arrow. Fig. 1c shows spread to the posterior temporal region and continued evolution depicted by the red arrow.