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On Sun, 23 Jun 2013, Rotem Saar wrote:
Hi there, Long time:). Well I wrote to the list several times regarding high FA values I got when performing DTI analysis. Today we know that the problem was an additional direction (we had 17 directions instead of 16 - we used a Philips scanner,1.5T). So we deleted the additional slices and the high values indeed disappeared, but then another problem came up (tried several subjects so the problem is not specific to a subject) - I noticed an artifact that I can't explain - please see the attached pictures. This artifact existed even before I deleted the additional slices, also - I see the artifact also when loading the masked volume...It is cyclic - run over all slices... any ideas ? I'm using version 5.2 and I know the command lines are correct (send it to u in the past). Thanks for your help Rotem
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