what version of FS are you using?
On 1/21/2022 2:21 PM, Goeckner, Bryna wrote:
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Hi,
I am trying to decide how to proceed after manually updating a
talairach since various ways I’ve tried the recon process give me
different results.
Our group used Freesurfer 7.2 for processing data with the T2 and 3T
flags as follows:
recon-all -subject $1 -i $2/rawT1.ORIG.nii.gz -T2 $2/rawT2.ORIG.nii.gz
-T2pial -parallel -openmp 12 -3T -all
After visual inspection, I made adjustments to the talairach using
tkregister2 and then used the code below to rerun the recon:
recon-all -subject $1 -T2 $2/rawT2.ORIG.nii.gz -T2pial -parallel
-openmp 12 -3T -all
When this was done, the talairach.xfm file was restored to the
talairach from the original recon, while the talairach.xfm~ was still
the fixed version. At no point in this entire process did the
talairach (fixed or original) generate an error.
To avoid the overwriting of the talairach.xfm file, I tried using
(separately) the -notalairach and -notal-check flags. For both, the
talairach.xfm file stayed as the fixed talairach, but I got different
aseg and aparc results.
I’d like to know more about how these to flags differ and if you have
a recommendation on which process is best. The plan is to eventually
use this data in TRACULA.
Thanks for your help,
*Bryna Goeckner* (she/her)
Graduate Student
Medical College of Wisconsin
Neuroscience Doctoral Program
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