KATNB1 and Intellectual disability: Both organisms also contributed to the identification of additional genes associated with abnormal brain structure or function, such as CLP1 in pontocerebellar hypoplasia (MIM# 615803) (Karaca et al. 2014; Schaffer et al. 2014), KATNB1 in lissencephaly 6 with microcephaly (MIM# 616212) (Mishra-Gorur et al. 2014), and FMN2 in nonsyndromic intellectual disability (MIM# 616193) (Law et al. 2014).