Hi Alex, you can compute the difference in those slopes using an appropriate contrast matrix passed to mri_glmfit. QDEC should do so autotmatically (this would be an interaction between group and age). doug
Alex Hanganu wrote: > Dear Freesurfer Experts, > > We have two groups at similar ages and the thickness-age correlation > shows many cluster of significant values. Pointing to this maximum the > plots present similar regressions coefficients for both groups. > Actually it would be intresting to have the regions were the thickness > – age correlation differ. > > Or what is the physiological meening of this kind of correlations ?? > > Sincerely, > Sergiu, Alex. > > > ------------------------------------------------------------------------ > > _______________________________________________ > 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: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ 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.
