Visuo-spatial working memory is an important source of domain-general vulnerability in the development of arithmetic cognition

被引:109
作者
Ashkenazi, Sarit [1 ,2 ]
Rosenberg-Lee, Miriam [1 ]
Metcalfe, Arron W. S. [1 ]
Swigart, Anna G. [1 ]
Menon, Vinod [1 ,3 ,4 ,5 ]
机构
[1] Stanford Univ, Sch Med, Dept Psychiat & Behav Sci, Stanford, CA 94305 USA
[2] Hebrew Univ Jerusalem, Sch Educ, IL-91905 Jerusalem, Israel
[3] Stanford Univ, Sch Med, Dept Neurol & Neurol Sci, Stanford, CA 94305 USA
[4] Stanford Univ, Sch Med, Program Neurosci, Stanford, CA 94305 USA
[5] Stanford Univ, Sch Med, Symbol Syst Program, Stanford, CA 94305 USA
关键词
Mathematical disabilities; Visuo-spatial working memory; Intra-parietal sulcus; Arithmetic problem solving; SHORT-TERM-MEMORY; INTRAPARIETAL SULCUS; CHILDREN; DYSCALCULIA; MAGNITUDE; BRAIN; ACHIEVEMENT; DEFICITS; FMRI; REPRESENTATION;
D O I
10.1016/j.neuropsychologia.2013.06.031
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
010107 [宗教学]; 030301 [社会学]; 070906 [古生物学及地层学(含古人类学)];
摘要
The study of developmental disorders can provide a unique window into the role of domain-general cognitive abilities and neural systems in typical and atypical development. Mathematical disabilities (MD) are characterized by marked difficulty in mathematical cognition in the presence of preserved intelligence and verbal ability. Although studies of MD have most often focused on the role of core deficits in numerical processing, domain-general cognitive abilities, in particular working memory (WM), have also been implicated. Here we identify specific WM components that are impaired in children with MD and then examine their role in arithmetic problem solving. Compared to typically developing (TD) children, the MD group demonstrated lower arithmetic performance and lower visuo-spatial working memory (VSWM) scores with preserved abilities on the phonological and central executive components of WM. Whole brain analysis revealed that, during arithmetic problem solving, left posterior parietal cortex, bilateral dorsolateral and ventrolateral prefrontal cortex, cingulate gyrus and precuneus, and fusiform gyrus responses were positively correlated with VSWM ability in TD children, but not in the MD group. Additional analyses using a priori posterior parietal cortex regions previously implicated in WM tasks, demonstrated a convergent pattern of results during arithmetic problem solving. These results suggest that MD is characterized by a common locus of arithmetic and VSWM deficits at both the cognitive and functional neuroanatomical levels. Unlike TD children, children with MD do not use VSWM resources appropriately during arithmetic problem solving. This work advances our understanding of VSWM as an important domain-general cognitive process in both typical and atypical mathematical skill development. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2305 / 2317
页数:13
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