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by hwillis
1601 days ago
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> We have experimentally estimated in our preliminary study that the apparent T1/T2 values for gray matter and white matter were approximately 330/110 ms and 260/100 ms at 0.055 T (vs. 1300/110 ms and 830/80 ms at 3 T51) while CSF maintains long T1 (>1500 ms) and T2 (>1000 ms). That's not particularly different from normal MRIs, and the achieved resolution is not that much worse than normal MRIs. The scans have lower contrast (and repeated/longer scans is one way to improve that) and using for functional imaging will make that worse, but honestly it doesn't seem to have suffered very much at all. |
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