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 line that generated wmparc.mgz but specify your annot 
with --annot). View the label to make sure it is what you want, then run 
mri_segstats.



On 5/9/17 7:23 AM, Josue Luiz Dalboni Da Rocha wrote:


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 mris_anatomical_stats is the volume of the gray 
matter surrounding the white/gray matter border (a surface) specified 
by the inputted label.


We are actually interested in the white matter volume (instead of gray 
matter volume) inside this ROI (a gyrus in our case) specified by the 
label.


I didn't find yet a command in freesurfer from where I can extract the 
white matter volume of a gyrus from a costumized label.


Could someone advise me?


Best regards,

Josue



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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 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 mris_anatomical_stats is the volume of the gray matter
surrounding the white/gray matter border (a surface) specified by the
inputted label.

We are actually interested in the white matter volume (instead of gray
matter volume) inside this ROI (a gyrus in our case) specified by the label.

I didn't find yet a command in freesurfer from where I can extract the white
matter volume of a gyrus from a costumized label.

Could someone advise me?


Best regards,

Josue


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[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 mris_anatomical_stats is the volume of the gray matter 
surrounding the white/gray matter border (a surface) specified by the inputted 
label.

We are actually interested in the white matter volume (instead of gray matter 
volume) inside this ROI (a gyrus in our case) specified by the label.

I didn't find yet a command in freesurfer from where I can extract the white 
matter volume of a gyrus from a costumized label.

Could someone advise me?


Best regards,

Josue
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The information in this e-mail is intended only for the person to whom it is
addressed. If you believe this e-mail was sent to you in error and the e-mail
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but does not contain patient information, please contact the sender and properly
dispose of the e-mail.