早产儿功能性通路白质束的早期发育轨迹延迟：纵向扩散张量成像数据
Delayed early developmental trajectories of white matter tracts of functional pathways in preterm-born infants: Longitudinal diffusion tensor imaging data.
作者信息
Chang Linda, Akazawa Kentaro, Yamakawa Robyn, Hayama Sara, Buchthal Steven, Alicata Daniel, Andres Tamara, Castillo Deborrah, Oishi Kumiko, Skranes Jon, Ernst Thomas, Oishi Kenichi
机构信息
Department of Medicine, School of Medicine, University of Hawaii at Manoa, Honolulu, HI, USA.
Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
出版信息
Data Brief. 2016 Feb 5;6:1007-15. doi: 10.1016/j.dib.2016.01.064. eCollection 2016 Mar.
Probabilistic maps of white matter pathways related to motor, somatosensory, auditory, visual, and limbic functions, and major white matter tracts (the corpus callosum, the inferior fronto-occipital fasciculus, and the middle cerebellar peduncle) were applied to evaluate the developmental trajectories of these tracts, using longitudinal diffusion tensor imaging (DTI) obtained in term-born and preterm-born healthy infants. Nineteen term-born and 30 preterm-born infants completed MR scans at three time points: Time-point 1, 41.6±2.7 postmenstrual weeks; Time-point 2, 46.0±2.9 postmenstrual weeks; and Time-point 3, 50.8±3.7 postmenstrual weeks. The DTI-derived scalar values (fractional anisotropy, eigenvalues, and radial diffusivity) of the three time points are available in this Data article.
利用足月出生和早产的健康婴儿的纵向扩散张量成像（DTI），应用与运动、躯体感觉、听觉、视觉和边缘系统功能相关的白质通路以及主要白质束（胼胝体、额枕下束和小脑中脚）的概率图来评估这些束的发育轨迹。19名足月出生和30名早产婴儿在三个时间点完成了磁共振扫描：时间点1，月经后41.6±2.7周；时间点2，月经后46.0±2.9周；时间点3，月经后50.8±3.7周。本数据文章提供了三个时间点DTI衍生的标量值（分数各向异性、特征值和径向扩散率）。
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