Hi all,
We are collecting diffusion sequences on a Siemens 3T Prisma with GRAPPA (phase acceleration) and multi-banding (slice acceleration), and we are wanting to use the FSL top-up and eddy pipelines for correcting for the field inhomogeneities and eddy currents.
Following the top-up FAQ (https://fsl.fmrib.ox.ac.uk/fsl/fslwiki/topup/Faq), we need to have a --datain file, in which the last column will have the calculation for the EPI factor and echo spacing. I am wondering how/if the use of phase and slice acceleration in our sequence protocol will influence the calculation of our EPI factor?
Thanks,
Hannah
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