Dear Freesurfer-Experts, I am currently trying to measure Cortical Thickness of a Volume-defined ROI in a patient measured at 4 timepoints.
Basically, I am interested in a ROI resulting from fMRI activation measured on Timepoint 1. I would then like to get thickness values in the same ROI for all Timepoints 1-4. I have read the instructions here: https://surfer.nmr.mgh.harvard.edu/fswiki/VolumeRoiCorticalThickness this works. now, my idea is: ROI from TP1 >> register to base image of longit. recon. ("base") ROI from base >> TP1.long (from long recon) ROI from base >> TP2.long (from long recon) ROI from base >> TP3 long (from long recon) ROI from base >> TP4.long (from long recon) OR should I simpy map my ROI to fsaverage and project it back all individual timepoints? ROI from TP1 >> register to fsaverage ROI from fsaverage >> TP1 (not from long recon) ROI from fsaverage >> TP2 (not from long recon) etc. I understand that registration using the long. recon is more robust... Best regards, Bastian _______________________________________________ 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.
