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Abstract #3306

Evaluation of Diffusion-Weighted Imaging of the Macaque Brains Using Readout-Segmented EPI at 7T

Pinyi Wang1,2, Jialu Zhang1,2,3, Meizhen Qian1,4, Yi Sun5, Dingxin Wang3, and Xiaotong Zhang1,2,6

1Interdisciplinary Institute of Neuroscience and Technology, Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou, China, 2College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China, 3Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States, 4School of Medicine, Zhejiang University, Hangzhou, China, 5MR Collaboration NE Asia, Siemens Healthcare, Shanghai, China, 6Key Laboratory for Biomedical Engineering of Ministry of Education, Zhejiang University, Hangzhou, China

Diffusion-weighted imaging (DWI) is an important tool for clinical diagnosis and neuroscience research. To evaluate DWI with higher spatial resolution and with reduced image distortion at higher field strengths, we conducted macaque brain imaging at 7T. Our results suggest that readout-segmented EPI (rsEPI) has reduced image distortion, high MR signal and image contrast. It is believed that the rsEPI can effectively benefit DWI for macaque brain researches at 7T.

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