Hi
You can use ‘fslstats’ to extract average numbers of streamlines from the seeds_to_<target> files.
Cheers,
Saad
> On 26 Aug 2019, at 13:35, Marvin Jüchtern <
[log in to unmask]> wrote:
>
> Dear community,
>
> I have probably a rather basic question concerning how to work with the outputs of Probtrackx.
>
> We conduct a DTI study with the help of probabilistic tractography on 40 healthy participants. We use a couple of frontal and parietal ROIs and want to find out, which is connected to which, so we ran bedpostx on the data and put this into probtrackx to run
tractography from several seed to several target ROIs.
> The output folders contain seeds_to_... files, text-files and the fdt-paths.
>
> Since I'm new to tractography and FSL, I wonder what happens with these output files to create some numerical data for our statistics. Do you simply run proj_thresh on every seeds_to_...-file and threshold it until you can use it for t-tests and other statistical
methods? Or is there any generally used pathway you take from the ProbtrackX-output to statistics?
>
> Thank you very much in advance for your help!
>
> Best greetings from Germany,
>
> Marvin
> Clinical Cognition Sciences, UKA, RWTH Aachen University
>
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