“…However, this is consistent with data from clinical samples, particularly those with externalizing problems, (Beauchaine, 2015), and aspects of emerging models in ASD (e.g., Condy et al, 2019; Patriquin et al, 2019). Moreover, interactions with other physiologic systems (e.g., sympathetic; Fenning et al, 2019) and environmental factors (e.g., parenting; Baker et al, 2020) may ultimately determine whether RSA‐R vulnerability eventuates in functional impairments such as externalizing problems. Further consideration of these multi‐system processes and additional child (e.g., temperament, executive functions) and environmental contributions will facilitate a more comprehensive characterization of emotion regulation in ASD.…”