Sounds like there are a lot of places where something could have gone
wrong. Have you checked the output each step of the way or just the
final result?
doug
Natalia Sanchez wrote:
Dear Experts:
I am trying to create a cortical mask of M1 (Precentral cortex) for
each hemisphere to use it for tractography in FSL. First I register
the subject to the space I am using (Talairach or MNI), then I save
the label from tksurfer and then use mri_vol2roi to create the ROI
which is all the precentral motor area. Finally I am downsampling the
output from vol2roi in order to use it as an FSL target mask in
ProbtrackX.
When checking the output in FSL, the mask seems to be missaligned with
the original T1 image, is it beacuse an error in the header or is it
because I am doing something wrong in the process?
Thenk you for your help, let me know if you need anything else.
--
Natalia Sanchez
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Douglas N. Greve, Ph.D.
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