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On Sat, 12 Jul 2008 01:04:18 +0100, Matthew Hoptman <[log in to unmask]> wrote: >OK, I just verified it is a left-right flip. > >I created an ROI in fslview, saved it and then did: >fslmaths test -x y z testflip > >When I loaded in testflip.nii.gz, it was positioned where test.nii.gz was. >But when I remove test.nii and reload it, it is now on the other hemisphere >(and mirrors the original file). There is no y or z shift. > >What implications does using the testflip.nii.gz ROI have for the resulting >tractography? >======================================================================== Hi all, Any further thoughts on this issue? Thanks, Matt