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Abstract #0634

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

Zhongwei Chen1,2, Rong Xue1, Jing An3, Kaibao Sun1,2, 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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