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 <gr...@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 > > > > > > > > > > _______________________________________________ > > 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. > > -- Best regards, Amirhossein Manzouri
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