Female het Gabrg2+/Q390X KI mice exhibit more seizure incidence than male het Gabrg2+/Q390X KI mice. Panels A/B show summary SWD incidence and duration data from male (M, blank) and female (F, filled) het Gabrg2+/Q390X KI mice, with male and female het KI mice (n = 13 each). * indicates t-test significance with P < 0.05.