Table 2 EEG findings of patients with benign childhood epilepsy with centrotemporal spikes (BCECTS)
|  | N = 18 |
|---|---|
Lateralization of spikes at diagnosis | Â |
 left predominant | 8 (44.4%) |
 right predominant | 4 (22.2%) |
 bilateral | 6 (33.3%) |
Location of maximal negativity at diagnosis | |
 central | 11 (61.1%) |
 temporal | 6 (33.3%) |
 frontal | 1 (6.6%) |
Spike index (discharge/min) during AED treatment* | |
 untreated condition | 10.6 ± 13.2 (mean ± SD) |
 treated condition | 9.3 ± 15.1 (mean ± SD) |