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复杂数学运算状态下的大脑一侧优势分析

Analysis of Cortical Lateralization During Mental Task of Complex Problem Solving
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摘要 基于脑电(EEG)信号与Kolmogorov熵(KE),对复杂数学运算状态下的大脑一侧优势进行了分析及定位。在复杂数学运算状态下,顶区左、右侧KE值的大小存在显著性差异,而中央区与枕区左右侧KE值的大小则不存在显著性差异。分析结果表明,在复杂运算状态下,不论是左利手还是右利手,大脑顶区都呈现显著的左侧优势,但大脑顶区的左侧优势并不是绝对的;基于EEG与KE的动态比较的方法来分析大脑一侧优势是可行的。 Based on electroenphalogram（EEG） and Kolmogorov entropy（KE）, cortical lateralization is analyzed and localized during mental task of complex problem solving. There are significant differences between the KE values of left and right parietal regions during complex problem solving, while no significant differences on KE values in the central zone and the occipital region. The results indicate that, during complex problem solving, there are significant left cortical lateralization in the parietal region both for right-handed and left-handed. This cortical lateralization is not unchangeable. The method based On EEG and KE is practical for analysis and localization of cortical lateralization.
作者 张连毅
机构地区 上海电机学院电子信息学院
出处 《上海电机学院学报》 2012年第3期147-151,共5页 Journal of Shanghai Dianji University
基金 国家自然科学基金项目资助(30670534)
关键词 人脑结构 大脑优势 复杂数学运算状态 Kolmogorov熵 脑电信号 brain structure cerebral dominance complex problem solving cortical lateralization Kolmogorov entropy（KE） electroeneephalogram（EEG）
分类号 R318 [医药卫生—生物医学工程]
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参考文献11

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上海电机学院学报
2012年 第3期

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