Since dysfunction in SCN2A is highly associated with autism spectrum disorder and intellectual disability (ASD/ID; Sanders et al., 2012; Ben-Shalom et al., 2017; Satterstrom et al., 2020; Fu et al., 2022), substantial effort has been put toward understanding the cellular and behavioral changes linked to Scn2a haploinsufficiency. Here, SCN2A is linked to autism spectrum disorder.