Anatomical properties of the arcuate fasciculus predict phonological and reading skills in children.
Anatomical properties of the arcuate fasciculus predict phonological and reading skills in children.
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DOI：
10.1162/jocn_a_00061
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发表时间：
2011-11
影响因子：
3.2
通讯作者：
Ben-Shachar M
中科院分区：
文献类型：
--
作者：
Yeatman JD;Dougherty RF;Rykhlevskaia E;Sherbondy AJ;Deutsch GK;Wandell BA;Ben-Shachar M
一个多世纪以来，神经学家一直假设，弓状神经束携带的信号对语言功能至关重要；然而，特定行为途径的相关性是非常有争议的。本研究的主要目的是使用弥散张量成像来检查弓形纤维微观结构特性的个体差异与语言和阅读技能的行为测量之间的关系。第二个目的是使用新的纤维跟踪方法来重新评估弓形侧化的估计。在55名儿童的样本中，我们发现左弓状动脉的扩散度与语音意识技能相关，而弓状动脉体积侧化与语音记忆和阅读技能相关。与先前的研究报告相反，在一些受试者中缺乏右弓，我们证明了新技术可以识别每个个体的通路。我们的研究结果为弓形神经束在阅读技能发展中的作用提供了实证支持。
For more than a century, neurologists have hypothesized that the arcuate fasciculus carries signals that are essential for language function; however, the relevance of the pathway for particular behaviors is highly controversial. The primary objective of this study was to use diffusion tensor imaging to examine the relationship between individual variation in the microstructural properties of arcuate fibers and behavioral measures of language and reading skills. A second objective was to use novel fiber-tracking methods to reassess estimates of arcuate lateralization. In a sample of 55 children, we found that measurements of diffusivity in the left arcuate correlate with phonological awareness skills and arcuate volume lateralization correlates with phonological memory and reading skills. Contrary to previous investigations that report the absence of the right arcuate in some subjects, we demonstrate that new techniques can identify the pathway in every individual. Our results provide empirical support for the role of the arcuate fasciculus in the development of reading skills.
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影响因子：
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