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Cognitive Risk Factors for Specific Learning Disorder: Processing Speed, Temporal Processing, and Working Memory

Moll, K, Gobel, SM, Gooch, Deborah, Landerl, K and Snowling, MJ (2014) Cognitive Risk Factors for Specific Learning Disorder: Processing Speed, Temporal Processing, and Working Memory Journal of Learning Disabilities, 49 (3). pp. 272-281.

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High comorbidity rates between reading disorder (RD) and mathematics disorder (MD) indicate that, although the cognitive core deficits underlying these disorders are distinct, additional domain-general risk factors might be shared between the disorders. Three domain-general cognitive abilities were investigated in children with RD and MD: processing speed, temporal processing, and working memory. Since attention problems frequently co-occur with learning disorders, the study examined whether these three factors, which are known to be associated with attention problems, account for the comorbidity between these disorders. The sample comprised 99 primary school children in four groups: children with RD, children with MD, children with both disorders (RD+MD), and typically developing children (TD controls). Measures of processing speed, temporal processing, and memory were analyzed in a series of ANCOVAs including attention ratings as covariate. All three risk factors were associated with poor attention. After controlling for attention, associations with RD and MD differed: Although deficits in verbal memory were associated with both RD and MD, reduced processing speed was related to RD, but not MD; and the association with RD was restricted to processing speed for familiar nameable symbols. In contrast, impairments in temporal processing and visuospatial memory were associated with MD, but not RD.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Psychology
Authors :
Moll, K
Gobel, SM
Landerl, K
Snowling, MJ
Date : 14 August 2014
DOI : 10.1177/0022219414547221
Copyright Disclaimer : Copyright 2014 Sage Publications
Uncontrolled Keywords : Comorbidity, learning disorders, dyslexia, dyscalculia, risk factors, attention
Depositing User : Melanie Hughes
Date Deposited : 15 Sep 2017 17:41
Last Modified : 16 Jan 2019 18:56

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