Strategy over operation: neural activation in subtraction and multiplication during fact retrieval and procedural strategy use in children
Strategy over operation: neural activation in subtraction and multiplication during fact retrieval and procedural strategy use in children
复制标题
策略胜于操作：儿童事实检索和程序策略使用中减法和乘法的神经激活
作者：
B. Polspoel;L. Peters;M. Vandermosten;B. De Smedt
算法发展的特点是在程序策略使用和事实检索之间的策略转换。这项研究是第一个明确调查儿童的神经激活与使用这些不同的策略。参与者是26名典型的四年级学生（9 - 10岁），他们在一个行为会话中被要求口头报告他们是如何解决100个减法和乘法题的。这些项目随后在功能性磁共振成像中呈现。基于儿童的口头报告，事件相关设计允许我们分析检索和程序试验期间的大脑反应。在程序性策略的使用过程中，更具体地说，在操作数策略的分解过程中，在顶叶上下叶（顶叶内沟）、额叶上下回、枕叶双侧区域和岛叶皮层中观察到激活增加。对于检索，与程序性策略的使用相比，我们观察到双侧角回和边缘上回、左侧颞中下回、右侧颞上回和内侧额上回的活动增加。研究中没有发现两种手术之间的神经差异。这些结果首次在儿童中提供了当使用不同算术策略时交替神经激活的直接证据，并进一步揭示了先前发现的操作对大脑活动的影响反映了算术策略使用的差异。中国生物医学工程学报（英文版），2017。©2017 Wiley期刊公司
Arithmetic development is characterized by strategy shifts between procedural strategy use and fact retrieval. This study is the first to explicitly investigate children's neural activation associated with the use of these different strategies. Participants were 26 typically developing 4th graders (9‐ to 10‐year‐olds), who, in a behavioral session, were asked to verbally report on a trial‐by‐trial basis how they had solved 100 subtraction and multiplication items. These items were subsequently presented during functional magnetic resonance imaging. An event‐related design allowed us to analyze the brain responses during retrieval and procedural trials, based on the children's verbal reports. During procedural strategy use, and more specifically for the decomposition of operands strategy, activation increases were observed in the inferior and superior parietal lobes (intraparietal sulci), inferior to superior frontal gyri, bilateral areas in the occipital lobe, and insular cortex. For retrieval, in comparison to procedural strategy use, we observed increased activity in the bilateral angular and supramarginal gyri, left middle to inferior temporal gyrus, right superior temporal gyrus, and superior medial frontal gyrus. No neural differences were found between the two operations under study. These results are the first in children to provide direct evidence for alternate neural activation when different arithmetic strategies are used and further unravel that previously found effects of operation on brain activity reflect differences in arithmetic strategy use. Hum Brain Mapp 38:4657–4670, 2017. © 2017 Wiley Periodicals, Inc.
DOI：
10.1037/0096-3445.127.4.377
发表时间：
1998-12
期刊：
Journal of experimental psychology. General
影响因子：
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作者：
R. Siegler;Elsbeth Stern
通讯作者：
R. Siegler;Elsbeth Stern
DOI：
--
发表时间：
2015
期刊：
--
影响因子：
--
作者：
Morsanyi, K.
通讯作者：
Morsanyi, K.