Abstract #4202
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
1
State Key Laboratory of Brain and Cognitive
Science,Beijing MRI Center for Brain Research, Institute
of Biophysics, Chinese Academy of Sciences, Beijing,
Beijing, China,
2
Graduate
School, University of Chinese Academy of Sciences,
Beijing, Beijing, China,
3
Siemens
Shenzhen Magnetic Resonance Ltd, Shenzhen, China,
4
Department
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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