Numerical processing profiles in children with varying degrees of arithmetical achievement.

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ID: 89191
2019
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Abstract
Recent studies show basic cognitive abilities such as the rapid and precise apprehension of small numerosities in object sets ("subitizing"), verbal counting and numerical magnitude comparison significantly influence the acquisition of arithmetic and continues to modulate more advanced stages of mathematical cognition. Additionally, children with low arithmetic achievement (LAA) and Developmental Dyscalculia (DD) exhibit significant deficits in these cognitive processes. Nevertheless, the different cognitive profiles of children with varying degrees of numerical and arithmetic processing deficits have not been sufficiently characterized, despite its potential relevance to the stimulation of numerical cognition and the design of appropriate intervention strategies. Here, the cognitive profiles of groups of typically developing children, children with low arithmetical achievement and DD, exhibiting typical and atypical subitizing ability were contrasted. The results suggest that relatively independent neurocognitive mechanisms may produce distinct profiles at the behavioral level and suggest children with low arithmetic performance exhibiting atypical subitizing abilities are not only significantly slower, but rely on compensatory mechanisms and strategies compared to typical subitizers. The role of subitizing as a correlate of arithmetic fluency is revised in the light of the present findings.
Reference Key
estvezprez2019numericalacta Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Estévez-Pérez, Nancy;Castro-Cañizares, Danilka;Martínez-Montes, Eduardo;Reigosa-Crespo, Vivian;
Journal Acta psychologica
Year 2019
DOI
S0001-6918(18)30399-8
URL
Keywords
numerical cognition developmental dyscalculia subitizing low arithmetic achievement

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