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Hi - please see previous posts on this kind of question - we generally advise against comparing DTI data from different protocols, so I would recommend ignoring those subjects.
Cheers.


On 3 May 2010, at 15:48, Sophie Lafaille wrote:

brand new FSL user here. I have DTI Data. I have 22 subjects with 128x128 and I have 3 subjects with 256x256. I'm planning on doing TBSS and/o tractography. What can I use to downsample the 3 subjects to 128x128, or do I even need to do this, or should I just exclude those 3 subjects.

thanks, sophie

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Sophie Josee Lafaille, M.Sc.
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