Abstract #4286

Mixed Dipole and Loop Coil for Macaque Brain Imaging at 7T: A Simulation Study

Yang Gao^1,2, Weidao Chen^1,2, Jinfeng Tian³, Yi Sun⁴, Gang Chen^1,2, Anna Wang Roe^1,2, and Xiaotong Zhang^1,2

¹Interdisciplinary Institute of Neuroscience and Technology, Zhejiang University, Hangzhou, People's Republic of China, ²College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, People's Republic of China, ³Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, United States, ⁴MR Collaboration Northeast Asia, Siemens Healthcare, Shanghai, People's Republic of China

For monkey brain functional MR imaging, sufficient SNR is essential to reveal significant functional activities. Through a series of numerical simulation, we have demonstrated that under 7T environment, to image macaque brain whose size is much smaller than the natural resonate dimension of a dipole antenna, combining dipole and loop can feasibly provide considerably high SNR in both local cortical and deep brain regions. It is believed that such design will effectively benefit functional MRI over macaque with much enhanced signal quality.

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