Cognitive stagnation and executive function deficits in young children with SCN1A+ Dravet syndrome: Detailed characterization of onset, progression, and impact in the ENVISION natural history study.

Sullivan J, Perry MS, Scheffer IE, Wheless J, Boronat S, Brunklaus A, Laux L, Patel AD, Roberts C, Dlugos D, Holder D, Knupp K, Lallas M, Phillips S, Segal E, Lal D, Wirrell E, Zuberi S, Gioia G, Shaffer R, Berl MM, Wojnaroski M, Christensen S, King A, James ES, Vila MC, Huang N, Gofshteyn JS, Rico S