Re: [Freesurfer] Confusion about mean CT measures after registration

2021-10-08 Thread Tim Schäfer
External Email - Use Caution You should have a look at the 'aparcstats2table' command that comes with FreeSurfer, it does exactly what you want. There is no need to compute this manually. https://secure-web.cisco.com/1y8MoV_lySYxRtn11tB5a6H64yS1J9YFCgCSFtxDPRbXFecgkVvEyZqopn8AN3

Re: [Freesurfer] Confusion about mean CT measures after registration

2021-10-08 Thread Tim Schäfer
External Email - Use Caution Oh sorry, ignore my last mail, I misread your question. aparcstats2table will compute the values for native space, and if I interpret your email correctly, you want them in standard space. Sorry for the confusion, Tim > On 10/08/2021 8:28 AM Dongyu

[Freesurfer] Thalamus-proper gone?

2021-10-08 Thread Cubillo, Ana
External Email - Use Caution Dear Freesurfer community, I am using the freesurfer version through a singularity container (https://secure-web.cisco.com/1j_Zv2QItcuWtdQRfU3BocTH20Tz0V5FYnvMZKQNUHVHrSJnEYT6SaYNXa25BmI-JbPTJCJ1GCrzzhmfuUc3ZZ6iK4JDuJS0kjv_hdt8Wl2-pAx2OFoyTnLpSWLjFHa

Re: [Freesurfer] Confusion about mean CT measures after registration

2021-10-08 Thread Dongyue Zhou
External Email - Use Caution Yes,I want to compute them in standard space.But I don't know which atlas I should use? > -原始邮件- > 发件人: "Tim Schäfer" > 发送时间: 2021-10-08 15:27:32 (星期五) > 收件人: "Freesurfer support list" > 抄送: > 主题: Re: [Freesurfer] Confusion about mean CT m

Re: [Freesurfer] non-brain tissue segmentation from T1-w images

2021-10-08 Thread Koen Van Leemput
External Email - Use Caution Hi Rana, The samseg tool in FreeSurfer will segment some non-brain tissues. If that's not sufficient for your needs, you can also check out a more specialized version of samseg distributed with the new/upcoming version of SimNIBS -- cf. https://secure-

Re: [Freesurfer] SAMSEG output orientation not the same as input images

2021-10-08 Thread Koen Van Leemput
External Email - Use Caution Hi Randolph, When you visualize the segmentation produced by samseg on top of its input image, does the segmentation look correct? If so, the problem is very likely not the affine registration code. (If the segmentation looks bad, please try samseg in

Re: [Freesurfer] Confusion about mean CT measures after registration

2021-10-08 Thread Dongyue Zhou
External Email - Use Caution Yes,I want to compute them in standard space.But I don't know which atlas I should use? > -原始邮件- > 发件人: "Tim Schäfer" > 发送时间: 2021-10-08 15:27:32 (星期五) > 收件人: "Freesurfer support list" > 抄送: > 主题: Re: [Freesurfer] Confusion about mean CT m

Re: [Freesurfer] glmfit sig file all zeros

2021-10-08 Thread Douglas N. Greve
what happens if you run it without the mask? On 9/29/2021 2:33 PM, Pedersen, Walker Scott wrote: I just wanted to follow up on this - based on the output I sent previously, they seem to have the same resolution (unless I've missed something).  They do have different orientations. Could this be

Re: [Freesurfer] Repeated measures analysis

2021-10-08 Thread Douglas N. Greve
Have you seen this page? https://surfer.nmr.mgh.harvard.edu/fswiki/FsgdExamples On 9/30/2021 1:08 AM, Abbie Taing wrote: External Email - Use Caution Hi all, I have a between subjects factor (3 groups) and within subjects factor (3 stimuli type). I am interested in comparing cortica

Re: [Freesurfer] Brodmann areas volumetric parcellation freesurfer 6.0

2021-10-08 Thread Douglas N. Greve
Look in the recon-all.log file for the command that creates the aparc+aseg.mgz. Change the annotation to be the annotation that you want to use, and change the name of the output file. On 9/30/2021 10:07 AM, Ahmed Radwan wrote: > External Email - Use Caution > > Dear FreeSurfer experts,

Re: [Freesurfer] Problem with intensity normalization control points

2021-10-08 Thread Douglas N. Greve
The wm.mgz is expected since we added denoising to it; but it does not matter because wm.mgz is essentially a binary mask of WM. The brainmask.mgz is created from T1.mgz. The T1.mgz will be affected by control points, but only if you run it from the beginning. The surfaces are placed on brain.f

Re: [Freesurfer] matlab: command not found - How can I solve this?

2021-10-08 Thread Douglas N. Greve
You need to add matlab to your path. If you type which matlab it will indicate whether it is in your path or not On 10/1/2021 3:51 PM, Camila Fernandes da Silva wrote: External Email - Use Caution Hey, I'm totally new into Freesurfer and I need some help with my Matlab. I tried to do "

Re: [Freesurfer] Comparing volumes before and after editing

2021-10-08 Thread Douglas N. Greve
If you subtract them, eg, fscalc vol1.mgz sub vol2.mgz abs gte 0.5 -o diff.mgz This command will subtract the two, take the absolute values, then threshold (binarize) the differences. I'm not sure what you are looking for in terms of aparc+aseg, but you can do something like mri_segstats --ctab-

Re: [Freesurfer] A question regarding a Freeview command

2021-10-08 Thread Douglas N. Greve
The volume is the volume of cortex only, not the volume of subcortical structures. We don't have a VBM-style analysis that would be needed for subcortical GM. You can always do an ROI analysis, asegstats2table and mri_glmfit with --table option; this will allow you to analyze the volume of each

Re: [Freesurfer] R: Freesurfer version

2021-10-08 Thread Douglas N. Greve
Sorry, I'm not sure what you are asking when you ask what you should do. Do about what? On 10/4/2021 5:30 AM, Annalisa Lella wrote: External Email - Use Caution External Email - Use Caution Dear Mr. Greve, thanks so much for your reply! I have been running t-tests on cortica

Re: [Freesurfer] number of seeds in fcseedcor

2021-10-08 Thread Douglas N. Greve
The frequency of the low pass filter (lpf) must be greater than the high pass filter. Why did you set it to 0? On 9/30/2021 8:27 PM, Nasiriavanaki, Zahra,M.D. wrote: Hi Freesurfer experts, I was wondering how many seeds we can use in fcseedcor command? I have more than 100 seeds and when I us

Re: [Freesurfer] Confusion Working with Longitudinal and Group Analysis Tutorials

2021-10-08 Thread Douglas N. Greve
On 10/4/2021 7:09 PM, Giuseppe Miranda wrote: External Email - Use Caution Hello, I have been looking through tutorials on the website and referencing the freesurfer mail archives, but I am a bit unsure if I am following the correct procedures for my analysis. The main source of co

Re: [Freesurfer] glmfit sig file all zeros

2021-10-08 Thread Pedersen, Walker Scott
If I run without the mask, the output sig file looks normal. If I overlay the surface ROI and the output sig file on the fsaverage, I can see that the maximum absolute pvalue in my ROI is around -2.2. Output below. Since the mask is based on a volumetric sphere, it is not contiguous after conve

Re: [Freesurfer] R: Freesurfer version

2021-10-08 Thread Annalisa Lella
External Email - Use CautionI have elaborated all my data with recon all version 7.0. I am doubting whether I should elaborate them again with 7.2 or I can  simply run the normalisation with 7.2 on the data preprocessed with 7.0, since you told me that the problem with version 7.0 i

Re: [Freesurfer] Fmriprep transform matrix

2021-10-08 Thread Douglas N. Greve
Sorry, I don't know what h5 format is. On 10/5/2021 4:30 AM, I. Kelleher-Unger wrote: > External Email - Use Caution > > External Email - Use Caution > > Hi there, > > I have used fmriprep to preprocess my BOLD data. One of the outputs of this > pipeline is a T1w-to-MNI transfor

Re: [Freesurfer] error using mri_convert

2021-10-08 Thread Douglas N. Greve
It might be that the format is too new for our code. Have you tried dcm2niix? We are currently incorporating dcm2niix backend into mri_convert, but we're not there yet. On 10/6/2021 2:36 PM, Rizzo, Nolan W wrote: External Email - Use Caution Hello FreeSurfer developers, I am attempt

Re: [Freesurfer] Not seeing effects of manual edits and re-running recon-all

2021-10-08 Thread Douglas N. Greve
what were your recon-all commands? On 10/2/2021 4:55 PM, Kevin Miller wrote: External Email - Use Caution The mri_diff command did show differences after re-running the wm and skullstrip commands under different names, but the differences were not related to the areas that I was trou

Re: [Freesurfer] Thalamus-proper gone?

2021-10-08 Thread Douglas N. Greve
It has been replaced by thalamus now On 10/8/2021 6:56 AM, Cubillo, Ana wrote: External Email - Use Caution Dear Freesurfer community, I am using the freesurfer version through a singularity container (*MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" c

Re: [Freesurfer] Confusion about mean CT measures after registration

2021-10-08 Thread Douglas N. Greve
You want to measure cortical thickness in standard space? It is not something we typically do, but I guess you could apply the taliarach registration to the surfaces and recompute the thickenss, eg, mris_apply_reg --lta lh.white ../mri/transforms/talairach.lta lh.white.tal mris_apply_reg --lta l

Re: [Freesurfer] glmfit sig file all zeros

2021-10-08 Thread Douglas N. Greve
What do you mean it is based  on  a volumentric sphere? How did you create it? On 10/8/2021 1:24 PM, Pedersen, Walker Scott wrote: If I run without the mask, the output sig file looks normal.  If I overlay the surface ROI and the output sig file on the fsaverage, I can see that the maximum abs

Re: [Freesurfer] R: Freesurfer version

2021-10-08 Thread Douglas N. Greve
What do you mean by "elaborated"? On 10/8/2021 1:29 PM, Annalisa Lella wrote: External Email - Use Caution External Email - Use Caution I have elaborated all my data with recon all version 7.0. I am doubting whether I should elaborate them again with 7.2 or I can  simply run

Re: [Freesurfer] R: Freesurfer version

2021-10-08 Thread Annalisa Lella
External Email - Use CautionPre-processed with recon allIl 8 ott 2021 19:50, "Douglas N. Greve" ha scritto: What do you mean by "elaborated"? On 10/8/2021 1:29 PM, Annalisa Lella wrote: External Email - Use Cauti

Re: [Freesurfer] glmfit sig file all zeros

2021-10-08 Thread Pedersen, Walker Scott
I used afni's 3dundump to create a 10mm sphere from MNI coordinates. I then ran the MNI template through freesurfer, and used the regheader from this to run mri_vol2surf to put the spherical ROI into fsaverage space. I am able to overlay the ROI created this way onto the fsaverage in freeview, a

Re: [Freesurfer] R: Freesurfer version

2021-10-08 Thread Douglas N. Greve
If you have not done manual editing, then just rerun in 7.2 from scratch On 10/8/2021 1:52 PM, Annalisa Lella wrote: External Email - Use Caution External Email - Use Caution Pre-processed with recon all Il 8 ott 2021 19:50, "Douglas N. Greve" ha scritto: What do you

Re: [Freesurfer] glmfit sig file all zeros

2021-10-08 Thread Douglas N. Greve
I'm not sure what is going on. Try these two things 1. Binarize the mask (if not already) with mri_binarize --i yourmask.mgz --min 0.1 --o binmask.mgz 2. Try adding --no-cortex (since you already have a mask, you don't need to spec cortex) On 10/8/2021 2:01 PM, Pedersen, Walker Scott wrot

Re: [Freesurfer] Fmriprep transform matrix

2021-10-08 Thread Fischl, Bruce
Can you just read it in with python or something and write it out in one of our supported formats (like .lta)? -Original Message- From: freesurfer-boun...@nmr.mgh.harvard.edu On Behalf Of Douglas N. Greve Sent: Friday, October 8, 2021 1:36 PM To: freesurfer@nmr.mgh.harvard.edu Subject:

Re: [Freesurfer] R: Freesurfer version

2021-10-08 Thread Annalisa Lella
External Email - Use CautionThat's what I wanted to avoid: reprocess all the data. Am I forced to? Il 8 ott 2021 19:52, Annalisa Lella ha scritto:External Email - Use CautionPre-processed with recon allIl 8 ott 2021 19:50, "Douglas N. Greve" ha scritto: What d

Re: [Freesurfer] Not seeing effects of manual edits and re-running recon-all

2021-10-08 Thread Kevin Miller
External Email - Use Caution For skullstrip: recon-all -skullstrip -wsthresh 15 -clean-bm -subjid For wm: recon-all -autorecon2-wm -autorecon3 -subjid > On Oct 8, 2021, at 12:40 PM, Douglas N. Greve wrote: > > what were your recon-all commands? > > On 10/2/2021 4:55 PM, Kev

Re: [Freesurfer] R: Freesurfer version

2021-10-08 Thread Douglas N. Greve
It will be the easiest. If you have not edited them, then it is just computer time, right? On 10/8/2021 2:38 PM, Annalisa Lella wrote: External Email - Use Caution External Email - Use Caution That's what I wanted to avoid: reprocess all the data. Am I forced to? Il 8 ott 20

Re: [Freesurfer] Problem with intensity normalization control points

2021-10-08 Thread Staci A Board
External Email - Use Caution Hello, Thank you for your reply. I went back and checked the brain.finalsurfs.mgz and it is changing the values to 110 and looks much better. The aseg.mgz is also looking better after the edits as well. When we typically do successive passes through

[Freesurfer] individual analysis and visualization

2021-10-08 Thread Zeng, Qi
External Email - Use Caution Hi Experts, If I want to analyze and visualize baseline and follow-up for an individual subject's change (before-after & after-before). Should I treat it as a cross-sectional analysis for a group analysis? Best, Zeno _

[Freesurfer] Question about fsaverage

2021-10-08 Thread Dongyue Zhou
External Email - Use Caution Dear FreeSurfer experts: I want to know cortical thickness in this file 'subjectname/surf/?h.thickness.fwhm10.fsaverage.mgh' is in standard space or in native space. Is not the common coordinate system the same as standard space? And if mean ROI CT

Re: [Freesurfer] Question about fsaverage

2021-10-08 Thread Douglas N. Greve
On 10/8/2021 8:51 PM, Dongyue Zhou wrote: External Email - Use Caution Dear FreeSurfer experts: I want to know cortical thickness in this file 'subjectname/surf/?h.thickness.fwhm10.fsaverage.mgh' is in standard space or in native space. standard Is not the common coordinate sy

Re: [Freesurfer] individual analysis and visualization

2021-10-08 Thread Douglas N. Greve
I don't  know what you mean. Can you elaborate? On 10/8/2021 5:27 PM, Zeng, Qi wrote: External Email - Use Caution Hi Experts, If I want to analyze and visualize baseline and follow-up for an individual subject's change (before-after & after-before).  Should I treat it as a cross-se

[Freesurfer] Question about 'thickness.fwhm10.fsaverage'

2021-10-08 Thread Dongyue Zhou
External Email - Use Caution Dear FreeSurfer experts: I use the 'qcache' command to get the file '$SUBJECTS_DIR/subjectname/surf/?h.thickness.fwhm10.fsaverage.mgh'. Now,I have known that cortical thickness in this file is in standard space.But I don't understand why it is an

Re: [Freesurfer] Question about fsaverage

2021-10-08 Thread Dongyue Zhou
External Email - Use Caution Dear FreeSurfer experts: I use the 'qcache' command to get the file '$SUBJECTS_DIR/subjectname/surf/?h.thickness.fwhm10.fsaverage.mgh'. Now,I have known that cortical thickness in this file is in standard space.But I don't understand why it is an