Abstract #4660

Hemispheric asymmetry of brain motor-related white matter：a diffusion kurtosis imaging study

Yuli Zhang¹, Xianjun Li¹, Mengxuan Li¹, Chao Jin¹, Miaomiao Wang¹, Qinli Sun¹, Fan Wu¹, Congcong Liu¹, Yannan Chen¹, Xiaoyu Wang¹, Huifang Zhao¹, Cong Tian¹, Peiyao Chen¹, Xiaocheng Wei², and Jian Yang¹

¹the First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China, ²2. MR Research China, GE Healthcare, Xi'an, China, China

Motor function development is a necessary condition for later life. It is closely related to cognitive psychological development¹. As an important white matter reflecting the motor function, clarify the asymmetry of corticospinal tract (CST) development, which is of great significance for revealing the developmental of behavior and exploring the mechanism of disease². This study aims to use DKI parameters investigate the asymmetry of CST development. Our results suggest that from 0-13 years old, there is hemispheric asymmetry in the development of CST, and they show left-sided dominance ;the asymmetry of CST appears at 6 months.

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