Working memory training enhances complex syntax in children with Developmental Language Disorder

Abstract

Abstract Linguistic deficits attested in children with Developmental Language Disorder (DLD) have been explained in terms of limitations in working memory (WM). The goal of this research is to assess whether a tailored WM program can improve the syntactic abilities of children with DLD and those with typical development (TD). We created a novel iPad application consisting of five activities specifically designed to train the components of WM that have been shown to be the most predictive of performance on tests assessing complex syntax. Thirty-two children with DLD (M = 9;0) and 18 with TD (M = 8;5) followed the WM training (lasting 12 hours). Results show significant improvement in verbal WM (direct effects) in both TD and DLD groups, and in sentence repetition (transfer effects) in the DLD group, with the most pronounced improvements observed for complex syntactic structures. This progression is not observed for 38 age-matched children of the same age who followed an alternative, global scholastic training (20 DLD, 18 TD), which proves the specific efficacy of our WM training. The logical next step will be to incorporate the training into the therapy of children with DLD in order to reinforce the potential benefit of their interventions.

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