Multi-Phase Passband Cine SSFP: an fMRI technique with excellent spatiotemporal resolution at 7 Tesla
Zhongwei Chen 1,2 , Jing An 3 , Zhentao Zuo 1 , Rong Xue 1 , and Danny JJ Wang 4
State Key Laboratory of Brain and Cognitive
Science,Beijing MRI Center for Brain Research, Institute
of Biophysics, Chinese Academy of Sciences, Beijing,
School, University of Chinese Academy of Sciences,
Beijing, Beijing, China,
Shenzhen Magnetic Resonance Ltd, Shenzhen, China,
of Neurology, University of California Los Angeles, Los
Angeles, United States
Balanced SSFP is a promising fMRI technique due to its
reduced susceptibility artifacts and high spatial and
temporal resolution compared to GE-EPI. In this study, a
novel multi-phase passband cine SSFP technique was
introduced for event-related (ER) fMRI with a temporal
resolution of 50 ms and spatial resolution of a few mm3.
ER-fMRI experiment at 7T demonstrated that this
technique can reliably detect the initial dip and can
differentiate a time delay of 200ms in stimulus
presentation. Multiphase passband SSFP is a promising
fMRI technique at ultra high magnetic fields (7 Tesla).
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