Hello FSL experts,
I'm writing to inquire about the best way to acquire a novel sequence for use at my neuroimaging center. In the coming months we will have our scanner (SIEMENS MAGNETOM TrioTim) upgraded to the SIEMENS PRISMA Magnetom FIT. This upgrade will enable us to utilize multiband acquisition, which is the primary change that excites me.
Our current sequence is pre-packaged and not amenable to major change, as we have no one in our lab with the expertise to modify the code. We currently collect one B0 image with P->A phase encoding, followed by 10 B0 images A->P, followed by 60 DWI A->P at b=1000, with 71 diffusion directions total. We previously collected fieldmaps as well but I have found that using TOPUP to generate them works significantly and dramatically better.
After reading much of the work by members of your group including Dr. Jbabdi, I am interested in a multi-shell acquisition that includes DWI at b=1000; 2000; and 3000. The only constraint we have is that I work primarily with neurosurgery patients and this limits the total acquisition time that will be realistic for us to use. We need a sequence that can be completed in 15 minutes, or 20 at most.
If anyone has any advice on how I can go about acquiring a sequence of this sort that could be used with our new scanner, or who might be a good person to get in touch with, it would be greatly appreciated. I've heard that sometimes these sequences are intellectual property and so I hope I am not sounding too naive in asking, but I was hoping someone could help. I can also be reached privately at [log in to unmask]
Thank you very much and thank you for all that FMRIB does!
-Ben Chernoff
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