Hi Allison,

Is there a way into incorporate these files into the brainmask without
having to redo the edits?  I processed a number of subjects this way, using
'save main volume as' as directed in the recommended recon workflow.

Thanks,

Cheryl


On 1/31/11 7:05 PM, "Allison Stevens" <astev...@nmr.mgh.harvard.edu> wrote:

> Hi Cheryl,
> 1) Yes, just use save not save as
> 2) this information is already generated and can be found in the
> aseg.stats in each subject's stats dir. Some of the information is at the
> top of that file.
> 
> On Mon, 31 Jan 2011, Cheryl McCreary wrote:
> 
>> Hi,
>> 
>> I'm new  to Freesurfer and am trying to process some data for the first
>> time.  I have two questions:
>> 
>> 1.  I have done some manual editing of the brainmask for skullstripping,
>> saving the edits using 'Save As' and the default names. This seems to create
>> a new group of files separate from the brianmask, in the mri subdirectory.
>> Are these edits incorporated in the brainmask when autorecon2 and autorecon3
>> are run?  I ask because the pial surfaces viewed using tkmedit after
>> processing is complete often extends into the dura and unstripped skull that
>> remains visible on the brainmask, even though it was removed in manual
>> editing.  Should I be using 'Save' instead of 'Save as' after editing?
>> 
>> 2.  For then initial analysis of my data, I would like to create a table of
>> intracranial volume, brain parenchymal volume, gray matter volume and white
>> matter volume.  I've tries using the following command line:
>> 
>>    mri_segstats --sum TableFileName.sum
>>                  --pv $SUBJECTS_DIR/Subject/mri/norm.mgz
>>                  --ctab-default
>>                  --surf-ctxgmwm
>>                  --etiv $SUBJECTS_DIR/Subject/mri/transforms/talairach.xfm
>> 
>> However, this fails with the error:  unknown option --surf-ctxgmwm.
>> 
>> What have I missed?  Can you recommend another way to get this information?
>> I have also tried asegstats2table as well, but intracranial volume was not
>> included in the table.
>> 
>> Thank you for any assistance or suggestions.
>> 
>> Kind regards,
>> Cheryl
>> 
>> 
>> 
>> 
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>> 
> 
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-- 
Cheryl McCreary, PhD
Research Scientist
Seaman Family MR Research Centre
Foothills Medical Centre
1403 29th Street NW
Calgary, AB
T2N 2T9
Phone: (403) 944-8781
FAX: (403) 270-7907


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