Mathematical thinking in children with Developmental Language Disorder: The roles of pattern skills and verbal working memory

Publication date: Available online 15 November 2018

Source: Journal of Communication Disorders

Author(s): Emily R. Fyfe, Lauren Eisenband Matz, Kayla M. Hunt, Martha W. Alibali

Abstract

Previous research suggests that children with language disorders often have difficulties in mathematical tasks. In the current study, we investigated two relevant factors – working memory and pattern skills – that may underlie children's poor mathematics performance. Children with developmental language disorder (DLD, n = 18, ages 6 to 13) and age-matched typically-developing children (n = 18) completed three math tasks that tapped calculation skill and knowledge of concepts. Children also completed a visual pattern extension task and a verbal working memory task. There were four key findings: (1) children with DLD exhibited poorer mathematical knowledge than typically-developing children, both in calculation and on key math concepts, (2) children with DLD performed similarly to typically-developing children on the visual pattern extension task, (3) children with DLD had lower verbal working memory scores than typically-developing children, and these differences in working memory accounted in part for their poorer calculation performance, and (4) children's pattern extension scores predicted their arithmetic calculation scores, but not their concept scores.

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