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Does Inattention and Hyperactivity Moderate the Relation Between Speed of Processing and Language Skills?

Research output: Contribution to journalArticle

Debbie Gooch, Claire Sears, Harriet Maydew, George Vamvakas, Courtenay F. Norbury

Original languageEnglish
Pages (from-to)e565-e583
JournalChild Development
Volume90
Issue number5
Early online date9 Feb 2019
DOIs
Publication statusPublished - 1 Sep 2019

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Abstract

The causal role of speed of processing (SOP) in developmental language disorder (DLD) is unclear given that SOP has been implicated in other neurodevelopmental disorders such as attention-deficit/hyperactivity disorder. This study investigated associations between SOP, language, and inattention/hyperactivity in a U.K. epidemiological cohort (N = 528). Monolingual children from a range of socioeconomic backgrounds were assessed longitudinally; at ages 5–6 (2012/2013) and 7–8 years (2014/2015). Persistent weaknesses in SOP characterized children with DLD but did not predict language longitudinally. Ratings of inattention/hyperactivity moderated the association between SOP and language, indicating that SOP deficits are particularly detrimental for language when coupled with poor attention/hyperactivity. SOP may be a shared risk factor for DLD and inattention/hyperactivity or a general marker of neurodevelopmental disorder.

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