Hi Ben if you upload the datasets we will take a look. I imagine this is due to dielectric resonance effects. What sequence did you use?
Bruce On Tue, 6 Oct 2015, Benjamin Peterson wrote: > We have three 7T scans of the same person done on separate days. After > running all three T1 images using the "recon-all" function, we obtain > thalamic volumes. The volumes varied by up to 25% which seems quite drastic > for the same person. Is there a way to decrease this variability? Are there > some parameters to change for 7T? Would the subcortical segmentation work > better with a T2 or DTI image? > Thanks in advance, > Ben > > _______________________________________________ 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.
