Abstract #0529

Design of an Open-transmit / 24-channel flexible receiver head coil for MRI/fMRI of somatosensory and motor cortex at 5T

Zidong Wei^1,2,3, Zhilin Zhang⁴, Qiaoyan Chen^1,3, Cuiting Wang², Xiaoliang Zhang⁵, Xin Liu^1,3, Jinglong Wu⁴, Hairong Zheng^1,3, and Ye Li^1,3

¹Lauterbur Imaging Research Center, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China, ²Shanghai United Imaging Healthcare, Shanghai, China, ³Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen, China, ⁴Research Center for Medical AI, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China, ⁵Department of Biomedical Engineering, State University of New York at Buffalo, Buffalo, NY, United States

Synopsis

Keywords: High-Field MRI, High-Field MRI

Motivation: Functional magnetic resonance imaging (fMRI) is a non-invasive in vivo functional mapping technique, which afforded a high-quality glimpse of the cortex.

Goal(s): Sampling brain activity across cortical layers by using proposed RF coil

Approach: The Open-Face birdcage coil was designed by removing and adjusting the legs of the 16-rung high-pass birdcage coil. The 24ch flexible receive array was designed for high spatiotemporal-resolution MRI/fMRI at cortical region.

Results: In this study, we designed and constructed an open-transmit and 24 channel flexible receiver head coil assembly for human somatosensory and motor cortex in vivo cortical imaging on a whole body 5T scanner.

Impact: SNR maps, T2* weighted images and fMRI images were acquired with the proposed coil assembly, which were compared with those using a quadrature birdcage transmit/48-channel receiver coil assembly.

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