Try running make_average_volume. This will produce an aseg.mgz file with 
all the ROIs merged across all subjects


On 07/13/2016 07:10 AM, Dr Sampada Sinha wrote:
> Dear Bruce, I am trying to generate the following picture (please see 
> attached) for eod vs lod groups. Can you please tell me how to do this?
>
> Thanks and regards,
>
> Sampada
>
> On Tue, Jul 12, 2016 at 6:44 PM, Bruce Fischl 
> <fis...@nmr.mgh.harvard.edu <mailto:fis...@nmr.mgh.harvard.edu>> wrote:
>
>     Hi Sampada
>
>     why not just take the volume of the hippocampus from the
>     aseg.stats?  Why do you want an mgz? You just want one number per
>     subject, right?
>
>     Bruce
>
>
>
>     On Tue, 12 Jul 2016, Dr Sampada Sinha wrote:
>
>         Dear Bruce,
>
>         Thanks for you for your response. I am trying to  generate an
>         average
>         hippocampal volume and its correlation with HAM-D score in
>         early and late
>         onset depression (eod vs lod). One way I tried to do it was by
>         binarizing
>         and concatanating the hippocampal volumes and then run
>         mri_glmfit. But, I am
>         stuck at glm_fit and would be grateful if you can let me know
>         how to proceed
>         from here. How do I run the glm_fit between eod and lod
>         patients? Secondly,
>         after running glm_fit how do I calculate the significance from
>         sig.mgh?
>
>         Appreciate all your help.
>
>         Thanks and regards,
>
>         Sampada
>
>         On Sun, Jul 10, 2016 at 7:15 PM, Bruce Fischl
>         <fis...@nmr.mgh.harvard.edu <mailto:fis...@nmr.mgh.harvard.edu>>
>         wrote:
>               Hi Sampada
>
>               can you elaborate a bit? What are you trying to achieve?
>         Do you
>               want an
>               average hippocampus? Average maps of subfields? What
>         hypothesis
>               are you
>               trying to test? The individual subject data is not
>         resampled to
>               a common
>               coordinate system, so just averaging them as is won't
>         produce
>               anything
>               interested.
>
>               cheers
>               Bruce
>
>               On Sun, 10 Jul 2016, Dr
>               Sampada Sinha wrote:
>
>               > Dear freesurfer experts,
>               > Will you please let me know if it's possible to get one
>               average mgz image
>               > file by concatenating the hippocampal volumes of different
>               subjects using
>               > dev version? Since, I already have the hippocampal
>         subfields
>               mgz volume
>               > files, I intend to run the glmfit later on between two
>         groups
>               to get sig.mgh
>               > files.
>               >
>               > Thanks and regards?
>               >
>               > Sampada
>               >
>               >
>               > --
>               > Sampada
>               > Pre-doctoral student
>               > Department of Geriatric Mental Health (DGMH)
>               > King George Medical University
>               > Lucknow-226003
>               > India
>               >
>               >
>               >
>               >
>               >
>               >
>               >
>               >
>               >
>               >
>               >
>         _______________________________________________
>         Freesurfer mailing list
>         Freesurfer@nmr.mgh.harvard.edu
>         <mailto: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.
>
>
>
>
>         --
>         Sampada
>         Pre-doctoral student
>         Department of Geriatric Mental Health (DGMH)
>         King George Medical University
>         Lucknow-226003
>         India
>
>
>
>
>
>
>
>
>
>
>     _______________________________________________
>     Freesurfer mailing list
>     Freesurfer@nmr.mgh.harvard.edu <mailto: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.
>
>
>
>
> -- 
> Sampada
> Pre-doctoral student
> Department of Geriatric Mental Health (DGMH)
> King George Medical University
> Lucknow-226003
> India
>
>
>
>
>
>
> */
> /*
>
>
>
> _______________________________________________
> 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

Reply via email to