xhemireg seems to create e.g. left symmetric surface of the right normal one. Once xhemi/surf/lh.pial has been created and surface data surf/rh.overlay.mgh copied into xhemi/surf/lh.overlay.mgh, why don't register surf/lh.overlay.mgh and xhemi/surf/lh.overlay onto fsaverage lh.pial surface ?
Best regards, Matthieu Le 21 août 2015 19:49, "Douglas Greve" <gr...@nmr.mgh.harvard.edu> a écrit : > > Sorry, what is the problem? Is sounds like xhemi should be apprpriate for > your application. fsaverage is not symmetric and will lead to biased > results. > > On 8/20/15 9:27 AM, Matthieu Vanhoutte wrote: > > Dear FS experts, > > I have shown in mailing list and xhemi commands as explained here, a > beginning of a solution to my problem : > > http://surfer.nmr.mgh.harvard.edu/fswiki/Xhemi > > However, I didn't understand all the steps needed in may case. I have > patients with unilateralized problem on left or right hemisphere. But, I > would like to statistically compare left vs right hemisphere groups. So, I > think xhemi should help me to register for example both hemispheres of my > right lateralized patients onto symmetrical template ? > > I have already registered my surface data of all patients on fsaverage > template. Couldn't it be possible to apply Xhemi transformation on > fsaverage surface data of all right lateralized patients ? What are the > steps to do it ? > > Many thanks in advance for helping ! > > Best regards, > > Matthieu > > > _______________________________________________ > Freesurfer mailing > listfreesur...@nmr.mgh.harvard.eduhttps://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > _______________________________________________ > 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. > >
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