Dear FSL community,
to avoid removal of within-subject longitudinal differences, we created a nonbiased subject-specific template, which was obtained with SIENA (fsl 6.0.0). I got A_halfwayto_B.nii.gz and B_halfwayto_A.nii.gz with SIENA command (siena dtifit_subject1_1_FA.nii.gz
dtifit_subject1_2_FA.nii.gz -B "-f 0.2" -d -t2).
Afterwards, with fslmaths I created an average of these two images and these base FA templates are the one that I used for the input in TBSS (fslmaths A_halfwayto_B.nii.gz -add B_halfwayto_A.nii.gz -div 2 halfway_template.nii.gz). Once the TBSS is done, I do
not get a full mean FA skeleton, but only the central part.
Did someone has this problem before?
Thank you in advance,
Cheers,
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