基于DTI复杂网络的两性大脑差异性研究

发布时间：2018-04-15 19:16

本文选题：磁共振弥散张量成像 + 脑结构网络　；参考：《生物医学工程研究》2014年03期

【摘要】：为解释男女大脑差异是如何影响人们的思维和行为的,我们利用DTI复杂网络技术对男女两性大脑的差异性进行了定量分析。将44例健康志愿者分成男女两组,利用磁共振弥散张量成像对志愿者进行扫描和数据采集,通过构建脑白质纤维结构网络,并结合图论知识和复杂网络特征度量参数,对男女大脑结构差异及其在功能上的体现进行分析。对两组志愿者的脑结构网络分析发现,男女两组志愿者均具有小世界属性。结构网络局部参数分析显示,男女在涉及语言、情感、运动、方向感等的脑区具有显著差异。男女两性大脑生理结构的差别确实会导致大脑在功能上出现差别,两性大脑在功能上的差别可认为是两性在负责相关功能的脑区所具有的差异所导致。
[Abstract]:In order to explain how the brain difference between men and women affects people's thinking and behavior, we use DTI complex network technology to quantitatively analyze the difference between male and female brains.Forty-four healthy volunteers were divided into two groups: male and female. The volunteers were scanned and collected by magnetic resonance diffusion- imaging. The white matter fiber structure network was constructed, and the graph theory knowledge and the parameters of complex network characteristics were measured.The difference between male and female brain structure and its function were analyzed.Brain network analysis of two groups of volunteers showed that both groups had small world properties.The analysis of local parameters of structural network showed that there were significant differences between men and women in brain regions involving language, emotion, movement, orientation and so on.The difference of brain physiological structure between male and female does lead to the difference of brain function, and the difference in function between the two sexes can be attributed to the difference between the two sexes in the brain region responsible for the related function.
【作者单位】：南京航空航天大学自动化学院;
【基金】：国家自然科学基金资助项目(61075107)
【分类号】：R312

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