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Hi Dr Greve, I appreciate your guidance very much.
I followed your suggestion. I put lh.cerebellum in fsaverage and I ran mri_vol2surf. as follows: mri_vol2surf --mov grf.th1.3.pos.sig.cluster.mgh --hemi lh --surf cerebellum --mni152reg --o grf_onto_cerebellum.nii.gz
Now I am getting this error
ERROR: number of vertices in /FSV6.0/fsaverage/surf/lh.thickness does not match surface (163842,34247)
Any suggestions are appreciated ;-) John
You will have to put the cerebellar surface in fsaverage/surf/lh.cerebellum Note use "lh" even if it is the entire cerebellum as FS commands generally require a hemisphere.
The run mri_vol2surf specifying --hemi lh --surf cerebellum
On 1/23/19 10:04 AM, john Anderson wrote:
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Dear FS experts,
I ran surface based PET analysis on subcortical regions. Then
corrected the results for multiple comparisons using the method --grf
in the command mri_glmfit-sim.
I can visualize the output of multiple comparisons (i.e. the file
grf.th1.3.pos.sig.cluster.mgh) on volume using tkmedit, this
statistical map shows difference between the groups in the
cerebellum.... Instead of visualizing the results on volume, I want to
move this file to the cerebellum surface. I already created the
cerebellum surfaces from aseg.mgz file in fsaverage using the command
mris_tesselate.
How can I move the the file grf.th1.3.pos.sig.cluster.mgh from volume
space and map it on the cerebellum surface?
I tried mri_vol2surf but this command requires the flag --hemi as a
result it will map the file "grf.th1.3.pos.sig.cluster.mgh" on
cerebral hemispheres (lh or rh) but not the cerebellum..
How can I map the file "grf.th1.3.pos.sig.cluster.mgh" on the
cerebellum surface?
Thanks for any suggestions,
John
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