Event-related brain potentials dissociate the developmental time-course of automatic numerical magnitude analysis and cognitive control functions during the first three years of primary school

Soltész, Fruzsina, White, Sonia and Szücs, Dénes (2011) Event-related brain potentials dissociate the developmental time-course of automatic numerical magnitude analysis and cognitive control functions during the first three years of primary school. [in special issue: Toward a Developmental Cognitive Neuroscience of Numerical and Mathematical Cognition] Developmental Neuropsychology, 36 (6), 682-701. (doi:10.1080/87565641.2010.549982). (PMID:21761993)

Abstract

In this study we set out to dissociate the developmental time course of automatic symbolic number processing and cognitive control functions in grade 1–3 British primary school children. Event-related potential (ERP) and behavioral data were collected in a physical size discrimination numerical Stroop task. Task-irrelevant numerical information was processed automatically already in grade 1. Weakening interference and strengthening facilitation indicated the parallel development of general cognitive control and automatic number processing. Relationships among ERP and behavioral effects suggest that control functions play a larger role in younger children and that automaticity of number processing increases from grade 1 to 3.

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