Hi Celine, use mri_glmfit with the --pvr option (pvr = per-vertex regressor) doug
On 10/30/2013 10:20 AM, cel...@nmr.mgh.harvard.edu wrote: > Hi freesurfer team, > I am wondering if there would be a way to process a glm analysis between 2 > surfaces from different modalities within one group of subjects. > > For example, within one population of patients, we would like to see if > there is a spatial relationship between cortical thickness and another > metrics (DTI metrics for example). What we have done so far is compute the > mean cortical thickness for each parcellation, the mean FA for each > parcellation, and we did a linear regression with all the subjects of our > group. > Would there be a way to do that at the vertex level instead of a whole > region level? From what I understood, when we use glmfit, the regressors > that we can put are single values like age, group, cognitive testing etc, > but maybe not an entire surface? > Thanks a lot > > > Best, > Celine > -- 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.
