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应用功能核磁共振成像法进行计算时脑区的定位 被引量:3

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摘要 研究目的是标定大脑在进行计算时其相应功能区域的解剖位置, 并比较和探讨在执行连续默算减法和重复默读乘法表过程中, 大脑中的激活模式. 14个右手习惯志愿者参与实验, 在进行两种计算时, 脑区反应模式截然不同, 表明大脑在处理这两种任务时采用了不同的处理途径. 连续默算减法的(P < 0.01, T = 5.41)功能定位在额叶上, 中回后部和顶叶后部小叶部, 提示在计算和工作记忆操作中, 这些功能区域起着重要的作用. 同时, 视觉皮层的激活表明大脑即使在进行心算处理时也需要借助于视觉及视空间联想.
出处 《科学通报》 EI CAS CSCD 北大核心 2001年第19期1622-1625,共4页 Chinese Science Bulletin
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同被引文献25

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