Try using mri_binarize on the aparc+aseg.mgz volume (aparc+aseg has the same ROIs as aparc but in volume format). You can map this into your functional space. doug
On 07/25/2014 06:29 AM, Bastian Cheng wrote: > Dear Freesurfers, > > Is there a way to mask a custom ROI (or label) with a volume / label > from automated parcellations? > > I have an overlay with fMRI activations and am only interested in the > precentral cortex (as segmented in rh.aparc). > > I could do masking either on the label level (fMRI activation label * > rh.precentral.label) > OR on a volume level (fMRI ROI volume * rh.precentral volume) > > ultimately, I would only be interested in surface thickness of my fMRI > hotspots limited to the precentral cortex. > > So the most elegant way would be if there were a function in > mri_segstats that allows outputs of thickness values to be "sorted" by > the automated parcellation. > > But any help leading there is appreciated! > > Best, > Bastian > _______________________________________________ > 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.
