功能磁共振成像序列手指运动激活区分优秀和较差的书写者。
Functional magnetic resonance imaging sequential-finger movement activation differentiating good and poor writers.
机构信息
Department of Radiology, University of Washington, Seattle, WA 98195, USA.
出版信息
J Clin Exp Neuropsychol. 2009 Nov;31(8):967-83. doi: 10.1080/13803390902780201. Epub 2009 Apr 8.
Abstract
Good and poor fifth-grade writers differed, after controlling for multiple comparisons, in 42 brain regions on group maps and then individual brain analyses for functional magnetic resonance imaging (fMRI) contrast between tapping adjacent fingers sequentially and same finger repeatedly. Of these, 11 regions were correlated with both handwriting and spelling (transcription). Gender differences on the fMRI contrast, with girls more activated, occurred only in left superior parietal, which was correlated with handwriting and spelling. Significance of serial organization of fingers for handwriting and spelling is discussed.
摘要
在控制了多次比较后，优秀和较差的五年级学生在群组图的 42 个脑区存在差异，然后在个体脑分析中，对依次敲击相邻手指和重复敲击同一手指的功能磁共振成像（fMRI）对比进行分析。其中，11 个区域与书写和拼写（转录）都相关。在 fMRI 对比中，女孩的大脑更为活跃，这一性别差异仅出现在左顶叶上，而这一区域与书写和拼写相关。对手写和拼写中手指的序列组织的重要性进行了讨论。
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