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Development of white matter and reading skills

机译:发展白质和阅读技巧

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摘要

Reading requires efficient communication within a network of visual, auditory, and language brain regions that are separated by many centimeters. Cortical communication at this length scale takes place via bundles of nerve axons (fascicles) that comprise the cerebral white matter. Signals carried by two specific fascicles, the left hemisphere arcuate fasciculus and the left hemisphere inferior longitudinal fasciculus (ILF), are both important for reading words (Fig. PlA) (1, 2). When individuals are compared, MRI measurements within the arcuate and ILF differ depending on the child's reading skill. It generally is assumed that these differences are present from an early age, remain constant through development, and constrain children's reading achievement.
机译:阅读需要在相距许多厘米的视觉,听觉和语言大脑区域网络内进行有效交流。在这种长度范围内,皮质沟通是通过构成大脑白质的神经轴突束(束)进行的。左半球弓形筋膜和左半球下纵筋膜(ILF)这两个特定的纤维束所携带的信号对于阅读单词都很重要(图PIA)(1、2)。比较个体时,弓形和ILF内的MRI测量值会根据孩子的阅读技巧而有所不同。通常认为这些差异从小就存在,在发育过程中保持不变,并限制儿童的阅读成绩。

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    Department of Psychology Stanford University, Stanford, CA 94035,Stanford Center for Cognitive and Neurobiological Imaging, Stanford University, Stanford, CA 94035;

    Stanford Center for Cognitive and Neurobiological Imaging, Stanford University, Stanford, CA 94035;

    The Gonda Multidisciplinary Brain Research Center and Bar Han University, Ramat Gan 52900, Israel,Department of English, Bar llan University, Ramat Gan 52900, Israel;

    Department of Psychology Stanford University, Stanford, CA 94035,Stanford Center for Cognitive and Neurobiological Imaging, Stanford University, Stanford, CA 94035;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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