Re: [Freesurfer] petsurfer questions - No PVC stats file in the similar format as gtm.stats.dat

2024-08-26 Thread Sneha Pandya
--o CerebellumGrayMatterMaskEroded_gtmseg.mgz --match 8 47 --erode 2 Thank you, Sneha From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Douglas N. Greve Sent: Friday, August 23, 2024 6:25 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [EXTERNAL] Re: [Freesurfer] petsurfer questions - No PVC stats file in the simi

Re: [Freesurfer] petsurfer questions - No PVC stats file in the similar format as gtm.stats.dat

2024-08-23 Thread Douglas N. Greve
looks like it is only different in the first or second decimal place, is that right? If so, then it is acceptable. On 8/22/2024 4:11 PM, Sneha Pandya wrote: External Email - Use Caution Dear team, A] I am running mri_gtmpvc on our data and need to extract stats data that is in the s

Re: [Freesurfer] PETSurfer questions part III

2020-07-24 Thread Douglas N. Greve
On 7/24/2020 10:27 AM, Ferraro, Pilar wrote: > External Email - Use Caution > > Hi Douglas, > > All the analyses have been run with FS version 6 indeed. > If you confirm the commands below are correct, I therefore assume I should > rerun all the analyses using FS 7.1. > > I just have fe

Re: [Freesurfer] PETSurfer questions - Part II

2020-07-21 Thread Douglas N. Greve
On 7/20/2020 2:56 AM, Ferraro, Pilar wrote: External Email - Use Caution Many thanks for the reply, Yep, unfortunately MG values are always much higher than SGTM ones (in all the ROIs). I wonder whether this might be related (for MG and MZ) to the absence of a normalization using t

Re: [Freesurfer] PETSurfer / Questions

2020-04-14 Thread Douglas N. Greve
On 4/14/2020 5:40 AM, Ferraro, Pilar wrote: External Email - Use Caution Dear Freesurfer experts, We are conducting a PETSurfer analysis, and have some questions on the best way to proceed.  Briefly, this is what we have done: After running the standard Freesurfer analysis an all

Re: [Freesurfer] PETSurfer / Questions

2020-04-14 Thread Ferraro, Pilar
External Email - Use Caution Dear Freesurfer experts, We are conducting a PETSurfer analysis, and have some questions on the best way to proceed. Briefly, this is what we have done: After running the standard Freesurfer analysis an all the T1 images, we have generated the segm

Re: [Freesurfer] PetSurfer questions

2020-02-22 Thread Soo-Jong Kim
External Email - Use Caution Thank you Dr.Greve. I applied to rbv.nii.gz volume to anatomical space. You said, bbpet2anat.lta. using mri_vol2vol but I tested. registration using bbpet2anat.lta was not correct on native T1 space. So I tested rbv2anat.lta for registration. that w

Re: [Freesurfer] PetSurfer questions

2020-02-20 Thread Soo-Jong Kim
External Email - Use Caution *Thank you Dr. Greve for your answer* I checked all about your comment. I have questions more. 1. I found that volumes or counts in gtm.stats.dat are for native PET space. If co-registered PET onto corresponding MRI(i.e. MRI space) is available usin

Re: [Freesurfer] PetSurfer questions

2020-02-14 Thread Douglas N. Greve
On 2/9/2020 10:19 PM, Soo-Jong Kim wrote: External Email - Use Caution Thank you, Dr. Greve I checked all about your comment. I have questions more. 1. I found that volumes or counts in gtm.stats.dat are for native PET space. If co-registered PET onto corresponding MRI(i.e. MRI spa

Re: [Freesurfer] PetSurfer questions

2020-02-09 Thread Soo-Jong Kim
External Email - Use Caution Thank you, Dr. Greve I checked all about your comment. I have questions more. 1. I found that volumes or counts in gtm.stats.dat are for native PET space. If co-registered PET onto corresponding MRI(i.e. MRI space) is available using rbv.nii.gz from m

Re: [Freesurfer] PetSurfer questions

2020-02-09 Thread Soo-Jong Kim
External Email - Use Caution Thank you, Dr. Greve I checked all about your comment. I have questions more. 1. I found that volumes or counts in gtm.stats.dat are for native PET space. If co-registered PET onto corresponding MRI(i.e. MRI space) is available using rbv.nii.gz from m

Re: [Freesurfer] PetSurfer questions

2020-02-04 Thread Douglas N. Greve
On 2/3/2020 11:56 PM, Soo-Jong Kim wrote: External Email - Use Caution Thank you, Dr. Greve I checked all about your comment. I have questions more. 1. I found that volumes or counts in gtm.stats.dat are for native PET space. If co-registered PET onto corresponding MRI(i.e. MRI spa

Re: [Freesurfer] PetSurfer questions

2020-02-03 Thread Soo-Jong Kim
External Email - Use Caution Thank you, Dr. Greve I checked all about your comment. I have questions more. 1. I found that volumes or counts in gtm.stats.dat are for native PET space. If co-registered PET onto corresponding MRI(i.e. MRI space) is available using rbv.nii.gz from m

Re: [Freesurfer] PetSurfer questions

2020-01-31 Thread Douglas N. Greve
On 1/30/2020 3:39 AM, Soo-Jong Kim wrote: External Email - Use Caution I ran gtmseg for my partial volume correction 1. but I have a question. What regions are for the detail?? in this option. mri_gtmpvc --default-seg-merge. I searched mri_gtmpvc --help but it is default schema for

Re: [Freesurfer] PetSurfer questions

2020-01-30 Thread Soo-Jong Kim
External Email - Use Caution I ran gtmseg for my partial volume correction 1. but I have a question. What regions are for the detail?? in this option. mri_gtmpvc --default-seg-merge. I searched mri_gtmpvc --help but it is default schema for merging ROIs. So I wanna know what reg

Re: [Freesurfer] PetSurfer questions

2019-11-26 Thread Greve, Douglas N.,Ph.D.
what ligand are you using? Do you expect it to be higher in GM and in WM? What are the values in the gtm.stats file relative to when you run it without PVC? How did you choose 5 as the --psf? On 11/26/2019 2:53 AM, Soo-Jong Kim wrote: External Email - Use Caution Dear FreeSurfer expert