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Non-symbolic numerical distance effect in children with and without developmental dyscalculia: a parametric fMRI study


Kucian, K; Loenneker, T; Martin, E; von Aster, M (2011). Non-symbolic numerical distance effect in children with and without developmental dyscalculia: a parametric fMRI study. Developmental Neuropsychology, 36(6):741-762.

Abstract

This study investigated areas of brain activation related to non-symbolic distance effects in children with and without developmental dyscalculia (DD). We examined 15 children with DD (11.3 years) and 15 controls (10.6 years) by means of functional magnetic resonance imaging (fMRI). Both groups displayed similar behavioral performance, but differences in brain activation were observed, particularly in the supplementary motor area and the right fusiform gyrus, where children with DD demonstrated stronger activation. These results suggest that dyscalculic children engage areas attributed to higher difficulty in response selection more than control children, possibly due to a deficient development of a spatial number representation in DD.

Abstract

This study investigated areas of brain activation related to non-symbolic distance effects in children with and without developmental dyscalculia (DD). We examined 15 children with DD (11.3 years) and 15 controls (10.6 years) by means of functional magnetic resonance imaging (fMRI). Both groups displayed similar behavioral performance, but differences in brain activation were observed, particularly in the supplementary motor area and the right fusiform gyrus, where children with DD demonstrated stronger activation. These results suggest that dyscalculic children engage areas attributed to higher difficulty in response selection more than control children, possibly due to a deficient development of a spatial number representation in DD.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
Dewey Decimal Classification:610 Medicine & health
Scopus Subject Areas:Social Sciences & Humanities > Neuropsychology and Physiological Psychology
Social Sciences & Humanities > Developmental and Educational Psychology
Language:English
Date:2011
Deposited On:28 Jan 2012 10:35
Last Modified:23 Jan 2022 20:25
Publisher:Taylor & Francis
ISSN:1532-6942
OA Status:Closed
Publisher DOI:https://doi.org/10.1080/87565641.2010.549867
PubMed ID:21761996