Dissociated brain organization for two-digit addition and subtraction: An fMRI investigation
Publication in refereed journal

香港中文大學研究人員

引用次數
替代計量分析
.

其它資訊
摘要The present study compared the patterns of brain activation elicited by two-digit addition and subtraction problems. Thirty-two Chinese undergraduates of the same educational background and of similar age were asked to assess whether arithmetic operations were true or false during functional magnetic resonance imaging. Results showed that both complex addition and subtraction were supported by the broad neural system that involved regions within the inferior parietal lobule, the precuneus, and the inferior occipital gyrus, as well as some subcortical structures. Nevertheless, complex problems involving addition elicited more activation mainly in the bilateral medial frontal gyrus, whereas problems involving subtraction had more activation in the precentral gyrus and the thalamus in the right hemisphere, as well as the inferior parietal lobule in the left hemisphere. This pattern of dissociated activation suggests that partially separate neuronal networks might support these different operations. It also suggests that complex addition has a greater reliance on the fronto-parietal cortical circuit and subtraction on the parieto-subcortical circuit. (C) 2011 Elsevier Inc. All rights reserved.
著者Ni YR, Shu SY, Guo ZY, Liu SR, Bao Y, Liu SH, Chan WY
期刊名稱Brain Research Bulletin
詳細描述To ORKTS: doi:10.1016/j.brainresbull.2011.08.016
出版年份2011
月份11
日期25
卷號86
期次5-6
出版社PERGAMON-ELSEVIER SCIENCE LTD
頁次395 - 402
國際標準期刊號0361-9230
電子國際標準期刊號1873-2747
語言英式英語
關鍵詞Addition; Behavioral performance; Calculation reasoning; Cortex; Functional magnetic resonance imaging (fMRI); Subcortex; Subtraction
Web of Science 學科類別Neurosciences; NEUROSCIENCES; Neurosciences & Neurology

上次更新時間 2021-24-01 於 02:08