oh, sorry, I had not seen that the LECN...nii file was already in 
subject space. In that case use --regheader subjectname instead of --srcreg
doug

On 03/13/2014 05:53 PM, Barbara Weiland wrote:
> Hi Doug -
>
> Using the overlay threshold flags, I see that the .mgh (yes, the .mg 
> was a cut/paste typo) is in the occipital region and should be 
> frontal, temporal and parietal regions. So, I must be doing something 
> wrong in the mri_vol2surf command:
>
> >/  mri_vol2surf --src $SUBJECTS_DIR/[subj]/label/LECN_subjXXX.nii//--out 
> >$SUBJECTS_DIR/[subj]/label/LECN_subjXXX_lh_surf.mgh//--srcreg 
> >$SUBJECTS_DIR/[subj]/mri/transforms/reg.mni152.2.dat --hemi lh/
> Plus - as the original ROI encompasses regions in both hemispheres 
> (i.e., the left executive network has a region in the right 
> cerebellum), I thought I would need to repeat this command with --hemi 
> rh?
>
> I assumed I would have to run /mris_aatomical_stats /on each 
> hemisphere -- after I have labels for the ROI for each hemisphere?
>
> Thanks,
> Barbara
>
>
>
>
>> The vol2surf command output
>> should be .mgh or .mgz, not .mg (or maybe that is just a typo in the
>> email). If it is, then you should load the mgh file as an overlay, not
>> as a surface, eg
>>
>> tksurfer [subj] lh inflated -overlay file.mgh -fminmax .5 1000
>>
>> setting the min threshold to .5 assures that you can see the ROI
>>
>> doug
>
>
> On 03/13/2014 05:10 PM, Barbara Weiland wrote:
>> Hi -
>>
>> Sorry to not have been clearer.
>>
>> I have /functional ROIs defined by the Greicius
>> lab// (http://findlab.stanford.edu/functional_ROIs.html) just as in
>> this post to the Freesurfer list from //Mon Dec 2 15:22:08 EST 2013:/
>> /
>> /
>>> Doug, Thank you for your very helpful suggestion. Indeed, doing so
>>> made it so I could quickly take any parts (or all) of each Greicius
>>> network and put them in individual subject space. In case this may
>>> help anyone else, the final series of commands were (in this case,
>>> for the whole anterior salience network): *mni152reg --s [subj]*
>>> mri_label2vol *--seg anterior_Salience.nii.gz \* --reg
>>> $SUBJECTS_DIR/[subj]/mri/transforms/reg.mni152.2mm.dat \ --invertmtx
>>> --o anterior_Salience_[subj].nii.gz \ --temp
>>> $SUBJECTS_DIR/[subj]/mri/orig.mgz Cheers, Paul
>>
>> These ROIs were originally in MNI space and I used the commands listed
>> above from Paul to move them to subject space first creating the
>> reg.mni152.2mm.dat for each subject. LECN….nii is one of these
>> network ROIs. I can see this ROI using free view and it looks
>> correct. What I want is to extract volume and thickness for this ROI.
>> As outlined below,I thought I needed to first convert this to a
>> surface and tried:
>>
>>>> mri_vol2surf --src $SUBJECTS_DIR/[subj]/label/LECN_subjXXX.nii --out
>>>> $SUBJECTS_DIR/[subj]/label/LECN_subjXXX_lh_surf.mg --srcreg
>>>> $SUBJECTS_DIR/[subj]/mri/transforms/reg.mni152.2.dat --hemi lh
>>>
>>
>> I tried to look at the output (LECN_subjXXX_lh_surf.mg) by using
>> tksurfer [subj] lh inflated and then load the it from the GUI onto the
>> inflated surface -- this says that the
>> file (LECN_subjXXX_lh_surf.mg) "has 0 vertices!
>> Probably trying to use a scalar data file as a surface!"
>>
>> Do I need to move the LECN….nii to be a surface or should I just be
>> able to make a label from it? I assumed I need the ROI information to
>> be a label to use mris_anatomical_stats?
>> Thank you,
> BarbaraBarbara Weiland, Ph.D.
> Research Asst. Professor
> CU Change Lab
> Dept. of Psychology & Neuroscience
> University of Colorado Boulder
> barbara.weil...@colorado.edu <mailto:barbara.weil...@colorado.edu>
>
>
>
>
>
> _______________________________________________
> Freesurfer mailing list
> Freesurfer@nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2
www.nmr.mgh.harvard.edu/facility/filedrop/index.html
Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/

_______________________________________________
Freesurfer mailing list
Freesurfer@nmr.mgh.harvard.edu
https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer


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
contains patient information, please contact the Partners Compliance HelpLine at
http://www.partners.org/complianceline . If the e-mail was sent to you in error
but does not contain patient information, please contact the sender and properly
dispose of the e-mail.

Reply via email to