Video self-modeling (VSM) uses a method called "feedforward" to provide children the opportunity to view themselves as they perform in a more advanced or appropriate manner than they do presently. Typically, this is accomplished through the careful editing of videos. Studies on VSM and social skills with children on the autism spectrum…

Background: Individuals with fragile-X syndrome exhibit developmental delay, hyperexcitation and social anxiety; they also show lack of attention and hyperactivity. Few studies have investigated whether levels of functioning change with increasing age. Here, we explored developmental changes across adolescence in the cognitive and behavioural…