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Hi - see the email list archives - in general it is difficult to combine across resolutions with confidence.

Cheers.

On 8 Apr 2011, at 12:45, Gabriel Gonzalez Escamilla wrote:

Dear FSL experts,

I have two DTI datasets, and I would like to compare them, my problem is that they were aquired with different voxel sizes (1.25x1.25 for one dataset and 2.5x2.5 for the other), but same slice thickness(2.5mm). Are they comparable?, which can be the implications about making such comparison?, even more, what could be the problem of mix them for group comparisons?

Can anyone point me with these?

Bests

-Gabriel

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Stephen M. Smith, Professor of Biomedical Engineering
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