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短时练习对序列运动脑功能偏侧化的影响 被引量：2

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摘要 采用事件相关功能磁共振成像技术结合延迟序列运动任务,观察了12名被试短时练习过程中随意运动脑激活模式和脑功能偏侧化的变化.结果显示,序列运动准备和执行任务都激活双侧运动区和后顶叶皮层,脑功能轻度左侧化;短时练习后上述脑区的激活体积减小,而且右脑激活体积减小更为显著,从而加大了脑功能左侧化.
作者 祝一虹 董宗旺 翁旭初 陈宜张
机构地区 浙江大学医学院 河北师范大学教育科学学院心理系 中国科学院心理研究所脑高级功能研究实验室 第二军医大学神经科学研究所
出处 《科学通报》 EI CAS CSCD 北大核心 2005年第3期215-218,共4页 Chinese Science Bulletin
基金 国家自然科学基金(批准号:30425008,30128005,30170325) 国家重点基础研究发展规划(批准号:15 G1999054000) 浙江省卫生厅(批准号:2002B019)资助项目.
关键词 脑功能 运动 激活 左侧 活体 双侧 轻度 练习 动脑 任务
分类号 R33 [医药卫生—人体生理学]
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参考文献23

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二级参考文献2

共引文献202

同被引文献17

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科学通报
2005年 第3期

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