External Email - Use Caution
Hello everyone,
I am using Freesurfer 6.0 on linux cluster.
We are analyzing CBF data (ASL derived) coupled with fMRI task in longitudinal design. The fMRI data was analyzed in FS-FAST (with paired-diff) and now we want to repeat the group analyses on CBF maps. So far I registered the ASL data to individual anatomy and successfully transformed into fsaverage surface space (and smoothed afterwards). The data looks good so far - I can overlay it on inflated fsaverage surface.
My question is: how to stack the data for further mri_glmfit processing? I suppose I should use mris_preproc for this purpose, but I am at loss with which flags are appropriate and hoe to use CBF maps as an input here.
So far I did as follows for all the subjects, timepoints and hemispheres:
bbregister --s Sub01_I --mov Sub01_I_CBF.nii.gz --t2 --reg Sub01_I_reg.dat ;
mri_vol2surf --src Sub01_I_CBF.nii.gz --trgsubject fsaverage --out Sub01_I_CBF_to_surf_lh.nii.gz --srcreg Sub01_I_reg.dat --hemi lh
mris_fwhm --s fsaverage --hemi lh --fwhm 5 --smooth-only --i Sub01_I_CBF_to_surf_lh.nii.gz --o Sub01_I_CBF_to_surf_lh_smooth.nii.gz;
I would really appreciate your help.
Thanks,
Beata
-- Beata Brzeska Medical University of Gdansk, Poland Radiology Department