Is lh.lh-rh.thickness.sm00.mgh the left hemisphere overlay or the stack of voxel-wise cortical thickness difference between left and right hemisphere of each subject? I need to see the difference map of left and right (lh-rh) overlaid on both hemispheres!


On Thu, Jul 11, 2013 at 6:01 PM, Douglas N Greve <greve@nmr.mgh.harvard.edu> wrote:
The first command loads the left hemisphere overlay onto the right hemisphere. Why do you want to do this?
doug


On 07/11/2013 11:13 AM, amirhossein manzouri wrote:
As I mentioned before in my second question :
tksurfer fsaverage_sym rh inflated -aparc -overlay lh.lh-rh.thickness.sm00.mgh
tksurfer fsaverage_sym lh inflated -aparc -overlay lh.lh-rh.thickness.sm00.mgh
For Right and Left side!
BR


On Thu, Jul 11, 2013 at 4:38 PM, Douglas Greve <greve@nmr.mgh.harvard.edu <mailto:greve@nmr.mgh.harvard.edu>> wrote:


    I don't know what you mean by overlaying the results on L & R.
    What is your command line?



    On 7/11/13 3:34 AM, amirhossein manzouri wrote:
    Thanks Doug,
    When I overlay the results on L & R , I see different patterns on
    each hemisphere. Is it something that I don't understand correctly?
    BR


    On Wed, Jul 10, 2013 at 5:45 PM, Douglas N Greve
    <greve@nmr.mgh.harvard.edu <mailto:greve@nmr.mgh.harvard.edu>> wrote:


        On 07/10/2013 01:26 AM, amirhossein manzouri wrote:
        > Dear Doug and FS experts,
        > I am trying to use Xhemi tool to study asymmetry in the
        brain. I have
        > done the exact procedure you mentioned in WiKi for a group
        of 40 controls.
        > 1) Is lh.lh-rh.thickness.sm00.mgh the stack of voxel-wise
        cortical
        > thickness difference between left and right hemisphere of
        each subject?
        Yes.
        > 2) If yes, shouldn't I see the similar mapping by
        overlaying this to
        > lh and rh?
        > (tksurfer fsaverage_sym rh inflated -aparc -overlay
        > lh.lh-rh.thickness.sm00.mgh)
        I don't know what you mean. Can you elaborate/
        > 3) How do you interpret the result after analyzing within
        one group?
        > ( tksurfer fsaverage_sym lh inflated -aparc -overlay
        > glm.lh.lh-rh.thickness.sm05/osgm/sig.mgh)
        It is the difference between left and right hemisphere at
        each vertex.
        > 4) Is there any way to look at the results through the
        brain per slice
        > and also the whole brain?
        Do you mean mapping the difference into the volume and then
        viewing it
        as a volume? If so, You can try mri_surf2vol
        doug
        >
        > --
        > Best regards,
        > Amirhossein Manzouri
        >
        >
        >
        >
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    --     Best regards,
    Amirhossein Manzouri






--
Best regards,
Amirhossein Manzouri





--
Best regards,
Amirhossein Manzouri