“…This speaks to the nature of both development and emotion regulation. First, adolescence is marked by tremendous flexibility across several domains (Blakemore & Mills, 2014;Fuligni, 2018;Hauser, Iannaccone, Walitza, Brandeis, & Brem, 2015;Pfeifer et al, 2009), including in connectome development (Kaufmann et al, 2017;Morgan, White, Bullmore, & Vértes, 2018). That is, brain networks exhibit temporarily less stable activity profiles, likely due to developmental demands from one's environment that require increased flexibility (Doremus-Fitzwater, Varlinskaya, & Spear, 2010;Spear, 2011).…”