Re: [Freesurfer] white matter volume

2021-02-03 Thread Douglas N. Greve
Not from a group analysis, but you can get it from running asegstats2table. See our tutorial on ROIs https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/AnatomicalROI On 2/2/2021 11:44 AM, Sara Lyn wrote: External Email - Use Caution If that's the correct way to do it then yes

Re: [Freesurfer] white matter volume

2021-02-02 Thread Sara Lyn
External Email - Use Caution If that's the correct way to do it then yes since I don't know about this. If not, is the volume of white matter obtained from freesurfers glmfit group analyses? On Tue, Feb 2, 2021 at 11:39 AM Douglas N. Greve wrote: > sorry, still don't

Re: [Freesurfer] white matter volume

2021-02-02 Thread Douglas N. Greve
sorry, still don't understand. do you want to get the volume of WM from DTI? On 2/2/2021 11:19 AM, Sara Lyn wrote: External Email - Use Caution Hi Dr Greve, Instead of using DTI to get at the FA/MD etc measures is there a way to get at the volume of the white matter? Best, Sara

Re: [Freesurfer] white matter volume

2021-02-02 Thread Sara Lyn
External Email - Use Caution Hi Dr Greve, Instead of using DTI to get at the FA/MD etc measures is there a way to get at the volume of the white matter? Best, Sara On Tue, Feb 2, 2021 at 10:54 AM Douglas N. Greve wrote: > Not sure what you mean > > On 2/1/2021 12:32 PM, Sara

Re: [Freesurfer] white matter volume

2021-02-02 Thread Douglas N. Greve
Not sure what you mean On 2/1/2021 12:32 PM, Sara Lyn wrote: External Email - Use Caution Hi, Is there a way to get at the white matter volume from a group analysis? Sara ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu

[Freesurfer] white matter volume

2021-02-01 Thread Sara Lyn
External Email - Use Caution Hi, Is there a way to get at the white matter volume from a group analysis? Sara ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

Re: [Freesurfer] White matter volume from aseg

2019-02-21 Thread Greve, Douglas N.,Ph.D.
It is cerebral white matter, so it excludes brainstem and cerebellar white On 2/21/19 11:14 AM, Mehndiratta, Ambica wrote: > Hello, > > I am trying to extract the white matter volume based off the > aseg.stats. I noticed the text includes "total cortical white matter > volume" and I was

[Freesurfer] White matter volume from aseg

2019-02-21 Thread Mehndiratta, Ambica
Hello, I am trying to extract the white matter volume based off the aseg.stats. I noticed the text includes "total cortical white matter volume" and I was wondering if that is the same as overall white matter volume in the brain? Thank you, Ambica Mehndiratta Clinical Research Coordinator

Re: [Freesurfer] White matter volume of a costumized Gyrus

2017-05-09 Thread Douglas Greve
You will need to create an annotation with your label in it. This might be tricky to do depending on what you want. The easy way is to run mris_label2annot with only your label, then run mri_aparc2aseg to generate something like the wmparc.mgz (look in the recon-all.log file for the command

Re: [Freesurfer] White matter volume of a costumized Gyrus

2017-05-09 Thread Bruce Fischl
Hi Josue how would you define the borders of the white matter of the gyrus? I guess you could use the wmparc stuff and just count voxels based on a distance constraint cheers Bruce On Tue, 9 May 2017, Josue Luiz Dalboni Da Rocha wrote: Dear Freesurfer team, I am working with

[Freesurfer] White matter volume of a costumized Gyrus

2017-05-09 Thread Josue Luiz Dalboni Da Rocha
Dear Freesurfer team, I am working with calculated volumes of a gyrus (a costumized label). I currently use mris_anatomical_stats to calculate the volumes of my gyrus (in label format). According to the freesurfer tutorial (as I understood), one of the stats outputted from

Re: [Freesurfer] White matter volume in each lobe

2017-03-22 Thread Douglas Greve
not that I know of. I think you'll have to do it by hand (sorry) On 3/21/17 11:02 AM, Ahearn, T wrote: Hello I need separate grey and white volumes for the frontal and temporal lobes. I have values for grey volume from mri_annotation2label --subject 01 --hemi lh --lobesStrict

[Freesurfer] White matter volume in each lobe

2017-03-21 Thread Ahearn, T
Hello I need separate grey and white volumes for the frontal and temporal lobes. I have values for grey volume from mri_annotation2label --subject 01 --hemi lh --lobesStrict lobar_annotation mris_anatomical_statson the lh.lobar_annotation.annot file to generate a text file. I've also

Re: [Freesurfer] White matter volume

2015-09-14 Thread Douglas Greve
The values in wmparc.stats will have partial volume correction. The onesfrom fslstats will not. On 9/12/15 3:44 PM, John Anderson wrote: Hi Bruce, Kindly I want to inquire about the _difference between_ white matter volume generated by freesurfer ( specifically the white matter

Re: [Freesurfer] White matter volume

2015-09-13 Thread Bruce Fischl
Hi John I'm actually not sure how fslstats works. I'll cc MJ so he can answer that part of it. When we measure volume (e.g. in the stats files) we do partial volume correction as opposed to counting voxels, which we have found to be more accurate and repeatable. cheers Bruce On Sat, 12 Sep

[Freesurfer] White matter volume

2015-09-12 Thread John Anderson
Hi Bruce, Kindly I want to inquire about the difference between white matter volume generated by freesurfer ( specifically the white matter parcellations volume mentioned in wmparc.stats) and the vwhite matter volume generated by other tools like fslstats. For example: If I use a binarized

Re: [Freesurfer] White matter volume

2014-11-06 Thread Douglas N Greve
On 11/06/2014 12:53 AM, Alshikho, Mohamad J. wrote: Dear Bruce, My questions is just to learn and to improve my understanding. The commands recon-all and dt-recon are routinely generating the statistics at the end of there running and we can check the results in aseg.stats (the

Re: [Freesurfer] White matter volume

2014-11-06 Thread Alshikho, Mohamad J.
@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] White matter volume On 11/06/2014 12:53 AM, Alshikho, Mohamad J. wrote: Dear Bruce, My questions is just to learn and to improve my understanding. The commands recon-all and dt-recon are routinely generating the statistics at the end

[Freesurfer] White matter volume

2014-11-05 Thread Alshikho, Mohamad J.
Dear Bruce, My questions is just to learn and to improve my understanding. The commands recon-all and dt-recon are routinely generating the statistics at the end of there running and we can check the results in aseg.stats (the output of recon-all) and fa.stats (the output of dt-recon for FA).

[Freesurfer] White matter volume

2014-10-31 Thread Alshikho, Mohamad J.
Hi Bruce, I wanted to calculate the right and left hemispheric white matter volume using a mask. Is there any difference between lh.dwhite.mgz , rh.dwhite.mgz (the outputs of mris_volmmask after binarize them) and the right and left hemispheric white matter masks from aseg.mgz atlas (the output

Re: [Freesurfer] White matter volume

2014-10-31 Thread Douglas N Greve
The aseg is not surface-based and will not be as accurate doug On 10/31/2014 09:14 AM, Alshikho, Mohamad J. wrote: Hi Bruce, I wanted to calculate the right and left hemispheric white matter volume using a mask. Is there any difference between lh.dwhite.mgz , rh.dwhite.mgz (the outputs of

Re: [Freesurfer] White matter volume

2014-10-31 Thread Alshikho, Mohamad J.
, October 31, 2014 10:02 AM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] White matter volume The aseg is not surface-based and will not be as accurate doug On 10/31/2014 09:14 AM, Alshikho, Mohamad J. wrote: Hi Bruce, I wanted to calculate the right and left hemispheric white

Re: [Freesurfer] White matter volume

2014-10-31 Thread Douglas N Greve
...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Douglas N Greve [gr...@nmr.mgh.harvard.edu] Sent: Friday, October 31, 2014 10:02 AM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] White matter volume The aseg is not surface-based and will not be as accurate

Re: [Freesurfer] White matter volume

2014-10-31 Thread Bruce Fischl
...@nmr.mgh.harvard.edu] Sent: Friday, October 31, 2014 11:04 AM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] White matter volume I would suggest using the value in aseg.stats. Is that not possible? On 10/31/2014 10:06 AM, Alshikho, Mohamad J. wrote: Thanks Doug! So do you suggest

Re: [Freesurfer] White matter volume

2014-10-31 Thread Alshikho, Mohamad J.
: freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Bruce Fischl [fis...@nmr.mgh.harvard.edu] Sent: Friday, October 31, 2014 11:35 AM To: Freesurfer support list Subject: Re: [Freesurfer] White matter volume Hi Mohamad this is probably due to the partial

Re: [Freesurfer] White matter volume

2014-10-31 Thread Bruce Fischl
...@nmr.mgh.harvard.edu] on behalf of Bruce Fischl [fis...@nmr.mgh.harvard.edu] Sent: Friday, October 31, 2014 11:35 AM To: Freesurfer support list Subject: Re: [Freesurfer] White matter volume Hi Mohamad this is probably due to the partial-volume correction that we typically compute when

Re: [Freesurfer] White matter volume

2014-10-31 Thread Alshikho, Mohamad J.
[freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Bruce Fischl [fis...@nmr.mgh.harvard.edu] Sent: Friday, October 31, 2014 11:35 AM To: Freesurfer support list Subject: Re: [Freesurfer] White matter volume Hi Mohamad this is probably due to the partial-volume correction that we typically

Re: [Freesurfer] white matter volume per lobe...

2013-06-10 Thread Douglas N Greve
Hi Gonzalo, the segmentation that you are seeing is paired with the insula parcellation. doug On 05/30/2013 04:36 PM, Gonzalo Rojas Costa wrote: Hi Doug: The command is: mri_aparc2aseg --s OAS1_0001_MR1 --labelwm --hypo-as-wm --rip-unknown --volmask --o mri/lobulitos.mgz --annot

Re: [Freesurfer] white matter volume per lobe...

2013-05-31 Thread Douglas N Greve
don't know what's going on. Can you upload the subject to our file drop? doug On 05/30/2013 04:36 PM, Gonzalo Rojas Costa wrote: Hi Doug: The command is: mri_aparc2aseg --s OAS1_0001_MR1 --labelwm --hypo-as-wm --rip-unknown --volmask --o mri/lobulitos.mgz --annot lobulos --wmparc-dmax

Re: [Freesurfer] white matter volume per lobe...

2013-05-31 Thread Gonzalo Rojas Costa
Hi Douglas: The file is the OAS1_0001_MR1 case of OASIS-BRAINS database that I re-processed using freesurfer 5.2.0... Sincerely, Gonzalo Rojas Costa On Fri, May 31, 2013 at 12:12 PM, Douglas N Greve gr...@nmr.mgh.harvard.edu wrote: don't know what's going on. Can you upload the subject

Re: [Freesurfer] white matter volume per lobe...

2013-05-30 Thread Douglas N Greve
colored region (red arrow)... Which neuroanatomical area is ?... Sincerely, Gonzalo Rojas Costa Message: 15 Date: Mon, 27 May 2013 22:41:41 -0400 From: Douglas Greve gr...@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] white matter volume per lobe... To: freesurfer@nmr.mgh.harvard.edu

Re: [Freesurfer] white matter volume per lobe...

2013-05-30 Thread Gonzalo Rojas Costa
region (red arrow)... Which neuroanatomical area is ?... Sincerely, Gonzalo Rojas Costa Message: 15 Date: Mon, 27 May 2013 22:41:41 -0400 From: Douglas Greve gr...@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] white matter volume per lobe... To: freesurfer@nmr.mgh.harvard.edu Message

Re: [Freesurfer] white matter volume per lobe...

2013-05-30 Thread Douglas N Greve
gr...@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] white matter volume per lobe... To: freesurfer@nmr.mgh.harvard.edu Message-ID: 51a41965.6050...@nmr.mgh.harvard.edu Content-Type: text/plain; charset=ISO-8859-1; format=flowed you will need to run mri_annotation2label and specify the output

Re: [Freesurfer] white matter volume per lobe...

2013-05-30 Thread Gonzalo Rojas Costa
Hi Doug: The command is: mri_aparc2aseg --s OAS1_0001_MR1 --labelwm --hypo-as-wm --rip-unknown --volmask --o mri/lobulitos.mgz --annot lobulos --wmparc-dmax 200 and the terminal output is: mri_aparc2aseg --s OAS1_0001_MR1 --labelwm --hypo-as-wm --rip-unknown --volmask --o

Re: [Freesurfer] white matter volume per lobe...

2013-05-28 Thread Douglas N Greve
gr...@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] white matter volume per lobe... To: freesurfer@nmr.mgh.harvard.edu Message-ID: 51a41965.6050...@nmr.mgh.harvard.edu Content-Type: text/plain; charset=ISO-8859-1; format=flowed you will need to run mri_annotation2label and specify the output

Re: [Freesurfer] white matter volume per lobe...

2013-05-28 Thread Gonzalo Rojas Costa
that you told me... But, why I get the gray colored region (red arrow) ?... Sincerely, Gonzalo Rojas Costa Message: 15 Date: Mon, 27 May 2013 22:41:41 -0400 From: Douglas Greve gr...@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] white matter volume per lobe... To: freesurfer

Re: [Freesurfer] white matter volume per lobe...

2013-05-28 Thread Douglas N Greve
] white matter volume per lobe... To: freesurfer@nmr.mgh.harvard.edu Message-ID: 51a41965.6050...@nmr.mgh.harvard.edu Content-Type: text/plain; charset=ISO-8859-1; format=flowed you will need to run mri_annotation2label and specify the output to be an annotation file instead of a segmentation

[Freesurfer] white matter volume per lobe...

2013-05-27 Thread Gonzalo Rojas Costa
Hi: I used the following commands to get the cortical volume per each lobe: mri_annotation2label --subject OAS1_0001_MR1 --hemi rh --lobesStrict lobulos --seg lobulos --stat lobulos mri_annotation2label --subject OAS1_0001_MR1 --hemi lh --lobesStrict lobulos --seg lobulos --stat lobulos

Re: [Freesurfer] white matter volume per lobe...

2013-05-27 Thread Douglas Greve
you will need to run mri_annotation2label and specify the output to be an annotation file instead of a segmentation. Then you will have to run mri_aparc2aseg, specifying your lobes annotation as well as --labelwm (look in the recon-all.log file for an example of how wmparc.mgz is created).

Re: [Freesurfer] white matter volume in a ROI

2011-10-31 Thread Douglas N Greve
... -Ursprüngliche Mitteilung- Von: Douglas N Greve gr...@nmr.mgh.harvard.edu An: dolphinede dolphin...@aol.com; freesurfer freesurfer@nmr.mgh.harvard.edu Verschickt: Di, 25 Okt 2011 5:05 pm Betreff: Re: [Freesurfer] white matter volume in a ROI Yes, I see what you mean. mri_aparc2aseg

Re: [Freesurfer] white matter volume in a ROI

2011-10-31 Thread Douglas N Greve
Verschickt: Mo, 31 Okt 2011 3:20 pm Betreff: Re: [Freesurfer] white matter volume in a ROI Use mri_segstats. You can look in the recon-all.log file in subject/scripts. Find the call to mri_segstats used to generate the wmparc stats, copy it and make the customizations you need. doug dolphin

Re: [Freesurfer] white matter volume in a ROI

2011-10-25 Thread Douglas N Greve
-beginner... Best regards Daniel -Ursprüngliche Mitteilung- Von: Douglas N Greve gr...@nmr.mgh.harvard.edu An: dolphinede dolphin...@aol.com; freesurfer freesurfer@nmr.mgh.harvard.edu Verschickt: Mo, 24 Okt 2011 10:04 pm Betreff: Re: [Freesurfer] white matter volume in a ROI

[Freesurfer] white matter volume in a ROI

2011-10-24 Thread dolphinede
Dear FreeSurfer experts, i have created a ROI in qdec , where i have found a significant correlation between lgi and age. I mapped this ROI to all subjects. I am interested to compare in this ROI the pial-surface area, the grey matter volume and if possible the white matter volume for this

Re: [Freesurfer] white matter volume in a ROI

2011-10-24 Thread Douglas N Greve
For GM area and volume, you can use mris_anatomical_stats. See the recent thread on how. For the WM volume, how would you define the WM volume that corresponds to you label? We have a routine that parcellates WM based on closest proximity to a cortical label. doug dolphin...@aol.com wrote:

Re: [Freesurfer] white matter volume in a ROI

2011-10-24 Thread Douglas N Greve
@nmr.mgh.harvard.edu Verschickt: Mo, 24 Okt 2011 4:48 pm Betreff: Re: [Freesurfer] white matter volume in a ROI For GM area and volume, you can use mris_anatomical_stats. See the recent thread on how. For the WM volume, how would you define the WM volume that corresponds to you label? We have

[Freesurfer] white matter volume and qdec

2011-01-31 Thread tulu
Dear Freesufer experts,I would like to do the group comparison of white matter volume in various white matter regions base on white matter parcellation. I have no idea about how to do that. Is it the same as cortical thickness comparison in qdec ? could any one give some guide about how to do that

Re: [Freesurfer] white matter volume and qdec

2011-01-31 Thread Douglas N Greve
You can use the data in the wmparc.stats file. You can load that as a spreadsheet into any stats program (eg, SPSS). doug t...@ms36.hinet.net wrote: Dear Freesufer experts, I would like to do the group comparison of white matter volume in various white matter regions base on white matter

[Freesurfer] White matter volume corresponding to a surface ROI

2010-05-22 Thread Lena Palaniyappan
Dear all, I have 4 ROIs created from a whole brain group comparison. I want to examine the differences in white matter volume immediately beneath these rois. Wmparc contains whitematter segmented in accordance with the inbuilt annotations ­ is it possible to extract wmparc info for GM rois?

[Freesurfer] white matter volume - version 3.0.5 vs 4.0.5

2008-06-23 Thread Paul Greenberg
Dear Freesurfers, Is it acceptable to use the program mris_wm_volume from version 4.0.5 (Cent OS, x86_64) to calculate total white matter volume from data processed with version 3.0.5? Would I need to subtract any subcortical volumes such as ventricles, basal ganglia, etc, from the output of