Abstract #3919
Fast functional MRI using inverse imaging with dynamic off-resonance artifacts correction
Ruo-Ning Sun 1 , Yi-Cheng Hsu 1 , Ying-Hua Chu 1 , Shang-Yueh Tsai 2 , Wen-Jui Kuo 3 , and Fa-Hsuan Lin 1
1
Institute of Biomedical Engineering,
National Taiwan University, Taipei, Taiwan,
2
Institute
of Applied Physic, National Chengchi University, Taipei,
Taiwan,
3
Institute of Neuroscience, National
Yang Ming University, Taipei, Taiwan
We use the dynamic off-resonance in k-space (DORK)
method to correct the phase drift in magnetic resonance
inverse imaging (InI), Empirical results show that DORK
can reduce the InI fluctuation in the respiratory
frequencies, improve the stability of the fMRI time
series, and increase the peak value of hemodynamic
response estimates.
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