If you have not sampled the PET data onto the surface, you will need to run mri_coreg to create a registration to the anatomical. Then use can use mris_preproc with the --iv option (listing each subject with a different --iv). Run mris_preproc with --help to get examples
On 12/06/2018 12:31 PM, john Anderson wrote:
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Hi Dr Greve,
I tried to follow this web page https://surfer.nmr.mgh.harvard.edu/fswiki/PairedAnalysis This tutorial seems to be for cortical thickness data. After sampling each individual's surface onto the average surface, how can I modify this command to fit PET data mris_preproc --target fsaverage --hemi lh \ --meas thickness --out lh.paired-diff.thickness.mgh \ --fsgd pairs.fsgd --paired-diff
Thanks for any help! John
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Tuesday, November 20, 2018 6:34 PM, john Anderson John.anderso@protonmail.com wrote:
Dear Freesurfer experts, I would like to run surface based paired t test of PET data on surface. For every subject I have visit pre treatment and post treatment. I tried to follow the instructions here https://surfer.nmr.mgh.harvard.edu/fswiki/PairedAnalysis%C2%A0but the toturial seems to be for cortical thickness data. How can i modify the command mris_preproc to do paired test of PEt data on brain surface mris_preproc --target fsaverage --hemi lh \ --meas thickness --out lh.paired-diff.thickness.mgh \ --fsgd pairs.fsgd --paired-diff thanks for any suggestion John
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