Dear Tamara,
first remark: you are not required to run tbss_reg at
any time of the TBSS protocol. You should just follow
the 4 straightforward steps tbss_1_preproc,
tbss_2_reg, tbss_3_postreg, tbss_4_prestats (cf tbss
webpage). So you don't need either to put the relevant
images to your stats directory. It is automatically
done by tbss 3rd step.
To answer more specifically to your question
"subjXX_FA_FAi.hdr" are your original FA images in the
appropriate format,
"subjXX_FA_FAi_to_target_nonlinear.nii.gz" are your
registered FA images with tbss_reg (that you do not
need to use once again),
"subjXX_FA_FAi_to_target_nonlinear_hr.nii.gz" are your
registered FA images with tbss_2_reg and then
tbss_3_postreg, "subjXX_FA_FAi_to_target_XXXX.dof" are
the transformation parameters that you apply to your
original (native) GA images to register them to the
standard space. Please do not erase your .msf files,
they are useful for the 3rd TBSS step.
Hope this helps,
Gwenaelle
--- Tamara Cristescu <[log in to unmask]>
a écrit :
> Hi everybody,
> I have a couple of questions about the TBSS output
> I did tbss_2_reg and tbss_2_postreg and I got the
> following output.
>
> subj_FA_FAi.hdr
> subj_FA_FAi.img
> These were the original files on which I ran the
> that the tbss_2_reg and I
> assume these are the files I should put in the stats
> analysis.
>
> What are these other files resulting from
> tbss_2_reg? I tried to find some
> info on the TBSS help website but there is nothing
> about these output files:
> subj_FA_FAi_to_target_nonlinear_hr.nii.gz
> and
> subj_FA_FAi_to_target_nonlinear.nii.gz
>
> subj_FA_FAi_to_target_affine.dof
> subj_FA_FAi_to_target_nonlinear.dof
>
> subj_FA_FAi_to_target_nonlinear.msf (I understood
> that this msf file can
> be deleted)
>
>
> Is the subj_FA_FAi.img the normalized image that I
> use in the group
> analysis?
>
> yours,
> tamara
>
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