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. 2017 Sep 25;8:499. doi: 10.3389/fneur.2017.00499

Figure 15.

Figure 15

Pseudo bilateral synchrony in frontal lobe epilepsy. (A) This average referential montage demonstrates the same activity seen in (A) of Figure 14. The discharges appear bifrontal. Note focal discharges involving F3 and C3 (time-base of the electroencephalography = 10 s/page). (B) When the time-base is expanded to 5 s/page, it becomes clear that the epileptiform discharge emerges first on the left at Fp1 and F3 (X), followed by activity on the right (Y) confirming pseudo bilateral synchrony.