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Abstract #3513

Evaluation of Diffusion-Weighted Readout-Segmented EPI in Macaque Brain Imaging at 7T

Pinyi Wang1, Jialu Zhang1, Meizhen Qian1,2, Yi Sun3, Robin M. Heidemann4, Ruiliang Bai1, Dingxin Wang5, and Xiaotong Zhang1

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

Diffusion-weighted imaging (DWI) has been widely used in brain structure and connectivity investigations and other neuroscience applications. To implement an optimized protocol for high spatial resolution DW imaging at ultra-high field, we have conducted macaque brain imaging by using readout segmented echo planar imaging at 7T. Our results indicate that, the rsEPI has potential to achieve DWI with improved signal-to-noise ratio and with the intent of minimizing geometric distortion.

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