[Freesurfer] GLM analysis question

External Email - Use Caution To the kind attention of the FreeSurfer team, I have some questions concerning a GLM analysis I’m running and any help would be greatly appreciated! I’m interested in identifying cortical regions where older age is associated with greater atrophy. Ho

[Freesurfer] surface group analysis with qdec

External Email - Use Caution Hi! I've previously run a comparison between patients and HC using qdec, but now I'd like to correct the analysis for disease duration. I've therefore generated a second qdec.table.dat file inserting the disease duration column with the following str

[Freesurfer] Fw: surface group analysis with qdec

ration) in the control group, so I'm wondering how to overcome this limit and proceed correctly with the glm analysis. Many thanks in advance for any help you will provide, Pilar ____ From: Ferraro, Pilar Sent: Monday, November 11, 2019 7:07 AM

[Freesurfer] Fwd: surface group analysis with qdec

External Email - Use Caution Hi, I’ve never got a response to my last email (you can find it below). Would you be able to let me know so I can proceed with the analyses? Many thanks, Pilar Inizio messaggio inoltrato: Da: "Ferraro, Pilar" ma

[Freesurfer] Fw: Regression Analysis accounting for one variable

and independent variable and a covariate? On 11/27/2019 6:57 AM, Ferraro, Pilar wrote: > External Email - Use Caution > > Yes, I did. > But in this case I have two factors, not only one. In particular, I have an > independent variable X and a covariate I?d like to i

Re: [Freesurfer] [External] Freesurfer Digest, Vol 190, Issue 3

> > It sounds like it would be a one-group, two-variable situation, like this > https://surfer.nmr.mgh.harvard.edu/fswiki/Fsgdf1G2V > Is that not correct? > > > On 11/28/2019 5:24 AM, Ferraro, Pilar wrote: > >External Email - Use Caution > > Hi, > >

[Freesurfer] Freeview Question

charset="windows-1252" >> >> It sounds like it would be a one-group, two-variable situation, like this >> https://surfer.nmr.mgh.harvard.edu/fswiki/Fsgdf1G2V >> Is that not correct? >> >> >> On 11/28/2019 5:24 AM, Ferraro, Pilar wrote: >&g

[Freesurfer] Input PET images for PetSurfer Analysis

External Email - Use Caution Dear Freesurfer experts, I am starting a new analysis using PetSurfer to evaluate the effect of different PVC corrections on brain metabolism in a set of patients. I have already analyzed all the T1 MRI data using the normal stream, however I have ne

[Freesurfer] Fwd: Input PET images for PetSurfer Analysis

External Email - Use Caution Dear Freesurfer experts, I am starting a new analysis using PetSurfer to evaluate the effect of different PVC corrections on brain metabolism in a set of patients. I have already analyzed all the T1 MRI data using the normal stream, however I have nev

[Freesurfer] GLM DOSS question

External Email - Use Caution Dear Freesurfer experts, I’ve just completed a GLM analysis in Freesurfer and I’d like to be sure that all the steps I’ve performed are the right ones. My analysis is looking at age related changes in cortical thickness in one group of patients, aft

[Freesurfer] GLM DOSS questions

External Email - Use Caution Dear Freesurfer experts, I’ve just completed a GLM analysis in Freesurfer and I’d like to be sure that all the steps I’ve performed are the right ones. My analysis is looking at age related changes in cortical thickness in one group of patients, aft

Re: [Freesurfer] DOSS questions

[Freesurfer] GLM DOSS questions To: mailto:freesurfer@nmr.mgh.harvard.edu>> Message-ID: <62cf0ae8-3d78-aa44-7a44-17cd603a8...@mgh.harvard.edu<mailto:62cf0ae8-3d78-aa44-7a44-17cd603a8...@mgh.harvard.edu>> Content-Type: text/plain; charset="utf-8" On 2/21/2020 4:01 AM, F

Re: [Freesurfer] PETSurfer / Questions

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

[Freesurfer] New PETSurfer Questions

External Email - Use Caution Dear Freesurfer experts, As previously mentioned, we are currently trying to test the effects of different PVC corrections on metabolism estimation in a group of patients. We would like to also include MZ and MG methods in the analyses, comparing the

[Freesurfer] PETSurfer analysis question

External Email - Use Caution Hi Freesurfer experts, I’ve run a PETSurfer analysis in order to compare mean uptake values of ROIs obtained with different methods: No PVC, SGTM, MG and MZ. However, I’ve now extracted the mean values and they are extremely heterogeneous. As an exam

[Freesurfer] PETSurfer questions - Part II

igher than SGTM in other ROIs? What is your mri_gtmpvc command? On 7/16/2020 4:38 AM, Ferraro, Pilar wrote: External Email - Use Caution Hi Freesurfer experts, I?ve run a PETSurfer analysis in order to compare mean?uptake values of ROIs obtained with different methods: No PVC, SGTM, MG a

[Freesurfer] PETSurfer questions part III

/seg.ctab --sum MZ_ROI.txt > > 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). >>

Re: [Freesurfer] FS 7.1 update

External Email - Use Caution Hi Freesurfer experts, I'ld like to know whether it's possible to update a FS version (from 6.0 to 7.1) also remotely. Many thanks, Pilar > Il giorno 24 lug 2020, alle ore 4:27 PM, Ferraro, Pilar > ha scritto: > > Hi

Re: [Freesurfer] Updating Freesurfer Version

External Email - Use Caution Hi Freesurfer experts, I’m trying to update my current Freesurfer version (from 6.0 to 7.1). I’d like to know whether the installation procedure for 7.1 would overwrite the current one (6.0). Many thanks, Pilar > Il giorno 22 ago 2020, alle ore 7