KIF7 and epilepsy: Our results show developmental defects leading to permanently displaced neurons, abnormal formation of cortical layers, and defective cortical circuits that could be responsible for epilepsy and/or intellectual disability in patients carrying KIF7 mutation (Bakalinova, 1998; Putoux et al., 2012; Ali et al., 2012; Walsh et al., 2013; Barakeh et al., 2015; Ibisler et al., 2015; Tunovic et al., 2015; Asadollahi et al., 2018; Niceta et al., 2020; Putoux et al., 2019).