Re: [Freesurfer] interpreting file (cache.th13.abs.y.ocn.dat) from longitudinal vertex-wise analysis

2020-09-08 Thread Rizvi, Batool
External Email - Use Caution Thanks for the info, Dr. Greve! So for the files I used for the --y argument were stacked files of this file: lh.long.thickness-spc.fwhm10.fsaverage.mgh or rh.long.thickness-spc.fwhm10.fsaverage.mgh. So would my interpretation of the ocn.dat file be

[Freesurfer] interpreting file (cache.th13.abs.y.ocn.dat) from longitudinal vertex-wise analysis

2020-09-08 Thread Rizvi, Batool
External Email - Use Caution Hi FreeSurfer team, After running longitudinal FS, and running mri_glmfit using files that measured spc, we found clusters associated with our continuous variable (WMH volume) after controlling for other covariates. I was wondering though, do the

Re: [Freesurfer] extracting beta coefficients and p-values

2020-08-24 Thread Rizvi, Batool
file should I use? Would it still be the mri_segstats command, but without the --avgwf option? Thanks again for your help and time! Batool From: Douglas N. Greve Sent: Monday, August 24, 2020 10:11 AM To: Rizvi, Batool ; Freesurfer support list Subject: Re: [Freesurfer] extracting beta

[Freesurfer] extracting beta coefficients and p-values

2020-08-20 Thread Rizvi, Batool
External Email - Use Caution Dear FreeSurfer experts, After running the longitudinal pipeline with QDEC, I needed beta-values of the associations between my main continuous variable and the significant cortical cluster, as well as of all the nuisance factors/categorical

Re: [Freesurfer] QDEC and comparing two conditions

2017-11-30 Thread Rizvi, Batool
area? Just wondering, as we only performed QDEC using thickness so far. Thanks so much, Batool From: Rizvi, Batool Sent: Tuesday, November 28, 2017 3:16 PM To: freesurfer@nmr.mgh.harvard.edu Subject: QDEC and comparing two conditions Hi FreeSurfer experts, We calculated the correlation between

[Freesurfer] QDEC and comparing two conditions

2017-11-28 Thread Rizvi, Batool
Hi FreeSurfer experts, We calculated the correlation between thickness two different behavioral conditions using QDEC. We now want to compare the spatial overlap and difference in thickness-correlation between the two behavioral conditions. We would like to do this both visually as well as

[Freesurfer] TRACULA - error

2017-10-10 Thread Rizvi, Batool
Hi, I'm running tracula using the following command: (Note: I'm replacing actual paths with made up paths) trac-all -prep -c /path/to/my/config.sh And for some reason it stops running while working on the first subject (creates the folder for the first subject), with this error: if: Expression

Re: [Freesurfer] TRACULA - subjects with different number of directions

2017-03-29 Thread Rizvi, Batool
edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>> on behalf of "Rizvi, Batool" <br2...@cumc.columbia.edu<mailto:br2...@cumc.columbia.edu>> Reply-To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>> Date: Wednesday, Mar

Re: [Freesurfer] TRACULA - subjects with different number of directions

2017-03-29 Thread Rizvi, Batool
urfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Rizvi, Batool [br2...@cumc.columbia.edu] Sent: Wednesday, March 29, 2017 9:01 AM To: Freesurfer support list Subject: Re: [Freesurfer] TRACULA - subjects with different number of directions Thank you. That m

Re: [Freesurfer] TRACULA - subjects with different number of directions

2017-03-29 Thread Rizvi, Batool
that have 49. Best, a.y From: freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Rizvi, Batool [br2...@cumc.columbia.edu] Sent: Wednesday, March 29, 2017 8:37 AM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] TRACULA

[Freesurfer] TRACULA - subjects with different number of directions

2017-03-29 Thread Rizvi, Batool
Hi, We were wondering if it would be an issue if we used a dataset in which we included 5 subjects that have a different number of directions (49 directions) than the rest of the subjects with a standard number (16 directions). Even if the preprocessing steps work, will it be an issue

Re: [Freesurfer] hippocampal subfields - T1

2017-02-23 Thread Rizvi, Batool
http://www.jeiglesias.com http://cmictig.cs.ucl.ac.uk/ On 23 Feb 2017, at 20:11, Rizvi, Batool <br2...@cumc.columbia.edu<mailto:br2...@cumc.columbia.edu>> wrote: Hi, I was wondering if the hippocampal subfields analysis can still run on a lower resolution T1 scan than 1mm? One of

[Freesurfer] hippocampal subfields - T1

2017-02-23 Thread Rizvi, Batool
Hi, I was wondering if the hippocampal subfields analysis can still run on a lower resolution T1 scan than 1mm? One of our datasets has T1 scans with these dimensions: .93 x .93 x 1.3 . Would it still run on this dataset, if it's not the standard 1mm to begin with? Thanks! Batool

Re: [Freesurfer] hippocampal subfields analysis command

2017-02-13 Thread Rizvi, Batool
) Cheers, /Eugenio Juan Eugenio Iglesias ERC Senior Research Fellow Translational Imaging Group University College London http://www.jeiglesias.com http://cmictig.cs.ucl.ac.uk/ On 13 Feb 2017, at 17:04, Rizvi, Batool <br2...@cumc.columbia.edu<mailto:br2...@cumc.columbia.edu>> wrote:

Re: [Freesurfer] hippocampal subfields analysis command

2017-02-13 Thread Rizvi, Batool
Iglesias ERC Senior Research Fellow Translational Imaging Group University College London http://www.jeiglesias.com http://cmictig.cs.ucl.ac.uk/ On 13 Feb 2017, at 16:41, Rizvi, Batool <br2...@cumc.columbia.edu<mailto:br2...@cumc.columbia.edu>> wrote: Hi, I'm having trouble gettin

[Freesurfer] hippocampal subfields analysis command

2017-02-13 Thread Rizvi, Batool
Hi, I'm having trouble getting any output from the hippocampal subfield analysis command. I entered in: quantifyHippocampalSubfields.sh T1 hippo.txt /path/to/my/subjects/freesurferfolder I tried both ways of having the environmental variable subjects directory defined to the freesurfer folder

Re: [Freesurfer] freesurfer 6.0 with some of the analyses

2017-01-27 Thread Rizvi, Batool
consensus is "how many subjects do you have?" -- if it's less than 50, you may want to just rerun v6 on your subjects as it should preserve the edits -- but it's recommended you still open them up and double check. -Adam On Thu, Jan 26, 2017 at 8:37 AM Rizvi, Batool <

Re: [Freesurfer] freesurfer 6.0 with some of the analyses

2017-01-26 Thread Rizvi, Batool
already processed all my data with 5.3, but am interested in getting hippocampal subfields through 6.0. Thanks so much! Batool From: Rizvi, Batool Sent: Wednesday, January 25, 2017 12:54 PM To: freesurfer@nmr.mgh.harvard.edu Subject: freesurfer 6.0 with some

[Freesurfer] freesurfer 6.0 with some of the analyses

2017-01-25 Thread Rizvi, Batool
Hi, I'm wondering if it's okay to run some of the analyses within one study on v.5.3 and the other hippocampal analyses on 6.0? Or do you recommend us starting over for the analyses we've already done in 5.3 for that study? Thank you! Batool ___

Re: [Freesurfer] incorrect pial surfaces after watershed adjustment

2016-12-14 Thread Rizvi, Batool
-boun...@nmr.mgh.harvard.edu] on behalf of Rizvi, Batool [br2...@cumc.columbia.edu] Sent: Wednesday, December 14, 2016 1:49 PM To: Freesurfer support list Subject: Re: [Freesurfer] incorrect pial surfaces after watershed adjustment Ohkay thanks, we'll go ahead and run autorecon2 and autorecon 3

Re: [Freesurfer] incorrect pial surfaces after watershed adjustment

2016-12-14 Thread Rizvi, Batool
Bruce On Wed, 14 Dec 2016, Rizvi, Batool wrote: > > Hi FreeSurfer experts, > > > > We have a subject on which we had to do adjust the watershed parameters for, > since there was some > brain missing from the brainmask.mgz. The watershed itself worked, but after > that

Re: [Freesurfer] white matter segmentation incorrect after intensity change

2016-12-12 Thread Rizvi, Batool
? cheers Bruce On Mon, 12 Dec 2016, Rizvi, Batool wrote: > > Hi Bruce, > We re-ran these subjects using recon-all -all -autorecon2-cp -aurorecon3 > -subjid freesurferfolder. > We got no output files from that, but I'm wondering if freesurfer didn't run > only because we incorrectl

Re: [Freesurfer] white matter segmentation incorrect after intensity change

2016-12-12 Thread Rizvi, Batool
01, 2016 5:21 PM To: Freesurfer support list Subject: Re: [Freesurfer] white matter segmentation incorrect after intensity change sure, good luck Bruce On Thu, 1 Dec 2016, Rizvi, Batool wrote: > Sounds great, thanks again for your help and will try out your > recommendations. > Have a

[Freesurfer] poor segmentation and skull-strip = due to talairach?

2016-12-09 Thread Rizvi, Batool
Hi FreeSurfer team, We have a couple of subjects that have really poor segmentation and skull-strip as well, that seem beyond fixing with just control points or WM edits. I'm wondering if this occurred because of earlier in the stream, there was a bad talairach transform? I went back to see

Re: [Freesurfer] white matter segmentation incorrect after intensity change

2016-12-01 Thread Rizvi, Batool
2016, Rizvi, Batool wrote: > > Hi Bruce, > Thanks so much for the feedback, that is very helpful. We'll try deleting the > control points then. Is there a quick way to rerun recon-all without having > it take up to 5-8 hours? > > Also, a separate question, when running a

Re: [Freesurfer] white matter segmentation incorrect after intensity change

2016-12-01 Thread Rizvi, Batool
a bit in that entire region (by the ratio of 110/103). On Thu, 1 Dec 2016, Rizvi, Batool wrote: > Hi Bruce, > Thanks for your reply. It is actually brighter on the brainmask.mgz than the > orig.mgz when I checked. I'm uploading the freesurfer subject here. > &g

Re: [Freesurfer] white matter segmentation incorrect after intensity change

2016-12-01 Thread Rizvi, Batool
possible to diagnose from a single slice from a single subject. If you tar, gzip and upload the subject one of us will take a look cheers Bruce On Thu, 1 Dec 2016, Rizvi, Batool wrote: > > Hi FreeSurfer experts, > > > > After running -autorecon2 and -autorecon3, we're seei