White matter microstructures underlying mathematical abilities in children

被引：73

作者：

van Eimeren, Lucia ^{[1
]}

Niogi, Sumit N. ^{[2
]}

McCandliss, Bruce D. ^{[2
]}

Holloway, Ian D. ^{[1
]}

Ansari, Daniel ^{[1
]}

机构：

[1] Univ Western Ontario, Dept Psychol, Numer Cognit Lab, London, ON N6G 2K3, Canada

[2] Weill Cornell Med Coll, Sackler Inst Dev Psychobiol, New York, NY USA

来源：

NEUROREPORT | 2008年 / 19卷 / 11期

关键词：

diffusion tensor imaging; fractional anisotropy; inferior longitudinal fasciculus; mathematical ability; numerical cognition; superior corona radiata; white matter;

D O I：

10.1097/WNR.0b013e328307f5c1

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

The role of gray matter function and structure in mathematical cognition has been well researched. Comparatively little is known about white matter microstructures associated with mathematical abilities. Diffusion tensor imaging data from 13 children (7-9 years) and two measures of their mathematical competence were collected. Relationships between children's mathematical competence and fractional anisotropy were found in two left hemisphere white matter regions. Although the superior corona radiata was found to be associated with both numerical operations and mathematical reasoning, the inferior longitudinal fasciculus was correlated with numerical operations specifically. These findings suggest a role for microstructure in left white matter tracts for the development of mathematical skills. Moreover, the findings point to the involvement of different white matter tracts for numerical operations and mathematical reasoning. NeuroReport 19:1117-1121 (C) 2008 Wolters Kluwer Health vertical bar Lippincott Williams & Wilkins.

引用

页码：1117 / 1121

页数：5

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