大学生运动员脑白质的变化: 基于磁共振扩散张量成像研究

华东师范大学学报(自然科学版) ›› 2014, Vol. 2014 ›› Issue (4): 94-101.

大学生运动员脑白质的变化: 基于磁共振扩散张量成像研究

沈国华¹, 张剑², 王慧¹, 吴殷², 曾雨雯², 杜小霞¹

1. 华东师范大学~~物理系~~上海市磁共振重点实验室, 上海 200062; 2. 上海体育学院, 上海 200438

收稿日期:2013-04-01 修回日期:2013-07-01 出版日期:2014-07-25 发布日期:2014-07-25

Altered white matter architecture among college athletes: A diffusion tensor imaging study

SHEN Guo-hua¹, ZHANG Jian², WANG Hui¹, WU Yin², ZENG Yu-wen², DU Xiao-xia¹

1. Shanghai Key Laboratory of Magnetic Resonance, Department of Physics, East China Normal University, Shanghai 200062, China; 2. Shanghai University of Sport, Shanghai 200438, China

Received:2013-04-01 Revised:2013-07-01 Online:2014-07-25 Published:2014-07-25

摘要/Abstract

摘要： 前人的研究发现运动技能的学习能够导致脑白质和灰质结构发生相应的改变.
然而长期的篮球技能的学习是否能导致脑白质可塑性的变化, 目前还不明确.
本文利用磁共振扩散张量成像研究了大学生篮球运动员和非
运动员之间脑白质的差异.
一共15名大学生篮球运动员和15名非运动员参与本次实验.
利用FSL软件和TBSS方法分析磁共振数据，从而获得两组人群脑白质的差异.
研究结果显示, 相比非运动员,
篮球运动员脑白质中的水分子扩散系数的各向异性参数FA表现为局部升高;
这些显著升高的区域主要在右侧颞中回、双侧枕中回、右侧额中回、右侧额叶部分区域、右侧中
央前回、左侧岛叶和海马旁回.
而这些有变化的脑区域均参与运动训练和运动技能的学习. 研究结果提示,
这些脑白质的改变和运动训练存在内在的\linebreak 关联.

关键词: 运动训练, 扩散张量成像, 白质, 运动员

Abstract: Previous studies have shown that motor skill learning can
induce changes involving the structural reorganization of gray and
white matter architecture. However, whether learning
basketball-related motor skills activates structural plasticity in
the cerebral white matter is presently unknown. We used diffusion
tensor imaging (DTI) to assess microstructural differences within
the white matter of college basketball athletes and non-athletes. In
all, 15 healthy college basketball athletes and 15 healthy college
non-athletes took part in the experiments. Tract-based spatial
statistics (TBSS) were used to perform a whole-brain analysis of the
DTI data and to explore brain structural differences between
athletes and non-athletes. Compared to non-athletes, athletes
demonstrated significantly greater FA in the right middle temporal
gyrus, bilateral middle occipital gyrus, right middle frontal gyrus,
right frontal lobe, right precentral gyrus, left insular cortex and
parahippocampal gyrus. These areas are all involved in learning
motor skills and sports training. The results imply that there is an
association between sports training and subsequent white matter
changes.

Key words: motor training, diffusion tensor imaging, white matter, athletes

中图分类号:

Q948

沈国华, 张剑, 王慧, 吴殷, 曾雨雯, 杜小霞. 大学生运动员脑白质的变化: 基于磁共振扩散张量成像研究[J]. 华东师范大学学报(自然科学版), 2014, 2014(4): 94-101.

SHEN Guo-hua, ZHANG Jian, WANG Hui, WU Yin, ZENG Yu-wen, DU Xiao-xia. Altered white matter architecture among college athletes: A diffusion tensor imaging study[J]. Journal of East China Normal University(Natural Sc, 2014, 2014(4): 94-101.

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