“…A number of studies have examined attention-related functions in the DS population. Difficulties in several aspects of attention have been described, but particularly selective attention, focused attention, and higher-order forms of attention such as divided, shifting, and attentional control (Faught, Conners, & Himmelberger, 2016; Krinsky-McHale, Devenny, Kittler, & Silverman, 2008; Rowe et al, 2006). However, their measurement in clinical trials for individuals with DS has been relatively untested.…”