Re: [HCP-Users] Question about UMinn 3T PRISMA dMRI_98_AP & PA Sequence

2016-11-10 Thread dgw
If you copy parameters on the scanner and the Phase encoding direction is different, the scanner will pop up a warning that it is reverting the phase encoding direction (you then need to change the phase encoding direction back). What I have done in the past to deal with this is do it carefully

Re: [HCP-Users] Test-retest reliability / Intra vs inter subject variability of HCP data

2016-01-28 Thread dgw
Since most of HCP has each diffusion scan run twice (once each) with different phase encode directions, you could analyze each of those separately (only using the B0s from the opposite phase encode direction). Then perform whatever test-retest tests you are interested in. Note, that you will end

[HCP-Users] Washington-University/gradunwarp Questions

2015-10-22 Thread dgw
Hi, I have a few questions about gradunwarp. * Is this tool going to be maintained and are you interested in opening issues and pull requests (the github page does not have these as options). * This function does not work with mgz files. This is due to the calls to fslval etc. (the data already