Abstract #3513

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

Pinyi Wang¹, Jialu Zhang¹, Meizhen Qian^1,2, 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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