Abstract #0634

Cognitive Application of Multi-Phase Passband Balanced SSFP fMRI with 50ms Sampling rate at 7 Tesla

Zhongwei Chen^1,2, Rong Xue¹, Jing An³, Kaibao Sun^1,2, Zhentao Zuo¹, Peng Zhang¹, and Danny JJ Wang⁴

¹State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China, People's Republic of, ²Graduate School, University of Chinese Academy of Sciences, Beijing, China, People's Republic of, ³Siemens Shenzhen Magnetic Resonance Ltd, Shenzhen, China, People's Republic of, ⁴Laboratory of FMRI Technology (LOFT), Department of Neurology, University of California Los Angeles, Los Angeles, CA, United States

Multi-phase passband steady state free precession (SSFP) cine fMRI can achieve a spatial resolution of a few mm3 and a temporal sampling rate of 50ms at 7 Tesla , while maintaining low geometric distortion and signal dropout. In this study, the feasibility and accuracy of the technique are demonstrated by two visual event-related functional MRI experiments.

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