Thank you. For the contrast, if I don't enter any other regressor, then it will be 1 -1? Celine
> 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 > > > _______________________________________________ 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.
