Abstract #4302

Evaluation of High-dielectric Pads for Macaque Brain Imaging at 7T: A Pilot Study

Jie Zhao^1,2, Wei Luo³, Meizhen Qian^1,4, Yi Sun⁵, Ling Xia^2,6, and Xiaotong Zhang^1,2,6

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, ³Materials Research Institute, Pennsylvania State University, University Park, PA, 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

Non-human-primates are a valuable model for investigating the structure and function of the brain. The high-dielectric pads have been shown to increase B₁ sensitivity and enhance image SNR and contrast locally in the human brain at high and ultra-high field. In this study, our pilot experiment results suggest that high-dielectric pads can effectively enhance macaque whole brain imaging at 7T, and in the meantime, do not increase the receive array element coupling, nor have any deterioration over the B₀ homogeneity within the monkey brain.

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