Re: [Freesurfer] Petsurfer: Gtmstats < 1, voxel wise mean is fine

2020-04-03 Thread Eckbo, Ryan
ils so that I have some context as to what you are asking? On 4/1/2020 9:18 AM, Eckbo, Ryan wrote: Here's a table with the cerebellum uptake values included -- let me know if you need more information. ​ vol | psf | roi | gtmstats_uptake |

Re: [Freesurfer] Petsurfer: Gtmstats < 1, voxel wise mean is fine

2020-04-01 Thread Eckbo, Ryan
PM, Eckbo, Ryan wrote: Hello experts, I've recently run into a case the gtmstats uptake (reference region: cerebellum) for the pericarlcarine ROI's are as low as 0.40, however computing the voxel wise mean using input.rescaled.nii.gz and mgx.ctxgm.nii.gx and aux/seg.nii.gz, the values are clo

[Freesurfer] Petsurfer: Gtmstats < 1, voxel wise mean is fine

2020-03-10 Thread Eckbo, Ryan
Hello experts, I've recently run into a case the gtmstats uptake (reference region: cerebellum) for the pericarlcarine ROI's are as low as 0.40, however computing the voxel wise mean using input.rescaled.nii.gz and mgx.ctxgm.nii.gx and aux/seg.nii.gz, the values are closer to 1, as expected: |