Abstract #0591
Calibrating BOLD latency with high temporal resolution precision using magnetic resonance inverse imaging
Ruo-Ning Sun 1 , Ying-Hua Chu 1 , Yi-Cheng Hsu 1 , Wen-Jui Kuo 2 , and Fa-Hsuan Lin 1
1
Institute of Biomedical Engineering,
National Taiwan University, Taipei, Taiwan,
2
Institute
of Neuroscience, National Yang Ming University, Taipei,
Taiwan
The spatial resolution of MR inverse imaging (InI) was
empirically tested at 3T and 7T. By using a coil array
of the same number of channel and a similar geometry at
a higher field, we found that the coil sensitivity
becomes more disparate and improves the condition of the
spatial encoding. Compared to results at 3T, the InI
spatial resolution quantified by the average
point-spread function at 7T improved by about 65% and
90% at SNR = 0.1 and 1, respectively.
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