yes, that is fine. doug

Fernanda Palhano wrote:

Doug,

I have another question about doing a volumetric group analysis. I used the command: asegstats2table --subjects V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11 V12 V13 V14 V15 V16 V17 V18 V19 V20 V21 V22 V23 V24 V25 V26 V27 V28 V29 V30 V31 V32 --tablefile asegstats_new.txt --common-segs To extract volume information for all my subjects. I'm interested in use Left-Hippocampus and Right-Hippocampus to perform my group analysis. Is it correct just import the columns data ( Left-Hippocampus and Right-Hippocampus) in some statistical software?

Thanks a lot, Fernanda

On Mon, May 16, 2011 at 4:25 PM, Fernanda Palhano <nandapalhano@gmail.com mailto:nandapalhano@gmail.com> wrote:

Doug,

Actually, the file aseg.stats already exists. I think I only have
to use asegstats2table
<http://surfer.nmr.mgh.harvard.edu/fswiki/asegstats2table> to
combine the stats from all my subjects.


Fernanda


On Mon, May 16, 2011 at 4:15 PM, Fernanda Palhano
<nandapalhano@gmail.com <mailto:nandapalhano@gmail.com>> wrote:

    Yes.

    [Fernanda-Palhanos-Mac-Pro:group_analysis_tutorial/004/stats]
    fernandapalhano% ls
    aseg.stats        lh.aparc.a2009s.stats   
    lh.supramarg.stats    rh.aparc.a2009s.stats    wmparc.stats
    lh.aparc.a2005s.stats    lh.aparc.stats       
    rh.aparc.a2005s.stats    rh.aparc.stats

    Fernanda


    On Mon, May 16, 2011 at 4:07 PM, Douglas N Greve
    <greve@nmr.mgh.harvard.edu <mailto:greve@nmr.mgh.harvard.edu>>
    wrote:

        does the stats directory exist?
        doug

        Fernanda Palhano wrote:

            Hello,

            I'm trying to use mri_segstats to obtain some
            subcortical volume stats. When running the command
            line both in the tutorial data or in my own data, I
            have the follow error: ERROR: could not open
            stats/aseg.stats for writing

            [Fernanda-Palhanos-Mac-Pro:buckner_data/tutorial_subjs/group_analysis_tutorial]
            fernandapalhano% mri_segstats --seg mri/aseg.mgz --sum
            stats/aseg.stats --pv mri/norm.mgz --ctab-default
            --excludeid 0 --brain-vol-from-seg --brainmask
            mri/brainmask.mgz --in mri/norm.mgz
            --in-intensity-name norm --in-intensity-units MR
            --etiv --subject 004
            Using defalt ctab
            /Applications/freesurfer/FreeSurferColorLUT.txt

            $Id: mri_segstats.c,v 1.69.2.1 2010/07/26 16:19:29
            greve Exp $
            cwd
            cmdline mri_segstats --seg mri/aseg.mgz --sum
            stats/aseg.stats --pv mri/norm.mgz --ctab-default
            --excludeid 0 --brain-vol-from-seg --brainmask
            mri/brainmask.mgz --in mri/norm.mgz
            --in-intensity-name norm --in-intensity-units MR
            --etiv --subject 004
            sysname  Darwin
            hostname Fernanda-Palhanos-Mac-Pro.local
            machine  i386
            user     fernandapalhano
            atlas_icv (eTIV) = 1792580 mm^3    (det: 1.086761 )
            ERROR: could not open stats/aseg.stats for writing

            Any ideas?

            Thanks,
            Fernanda
            ------------------------------------------------------------------------

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

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        <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html>



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