Dear FSL Experts,
I am new to FSL and DTI analysis and I am currently trying to analyze DTI data with the fdt tools.
I already ran bedpostX on my data.
Since we created our own atlas (grey matter), we want to apply it on our data now. The first problem we are running into is the registration of the atlas to the DTI data. The FLIRT nearest neighbour interpolation gives us non-natural numbers and therefore creates too many regions. Do you have any tipps on that?
The second problem I have is with probtrackX. For one atlas region I get a nice looking fdt_path and for other regions I get a NIFTI only containing zeros even though both atlas regions are very close to each other and definitely inside the brain image. For the multiple mask option I do not get any non Zero-values either even though the voxel size and the size of the picture is the same as in the single mask that works. I was wondering if there is an explanation for that.
I would be very thankful if someone could help me.
Regards
Katharina
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