SCN2A and attention deficit-hyperactivity disorder: Regarding SCN2A, (Ben‐Shalom et al., 2017; Reynolds et al., 2020; Sanders et al., 2018; Spratt et al., 2019; Yamagata et al., 2017) case studies report ADHD and poor attention on standardized neuropsychological measures (Dhamija et al., 2013; Mangano et al., 2022).