[Freesurfer] Fractional Anisotropy Command Question

[Weisinger, Brian (NIH/OD) [E]]

Hello,

I am trying to run the dt_recon  with the fractional anisotropy to do a project 
with white matter.
I am running into a problem actually getting the command to work. I am trying 
to follow the example online dt_recon --i 6-1025.dcm --s M87102113 --o dti 
dt_recon --i f.nii --b f.bvals f.bvecs --s M87102113 --o dti But I am not sure 
where/what I am supposed to put after the -i. The other stuff I am pretty sure 
I know, --s = the subject folder   --o = the folder I want the output to go in 
Can you fill me in on what I'm missing, I looked in the subjects output files 
and could not find anything that ended with .dcm.

I was told that it is the input diffusion weighted time series.

Is that something that would be different for everyone or something that would 
always be the same?
         If it is unique for each person where would I find that file so I can 
input the name of it?

Thank you,


Brian Weisinger

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