Hi Martin, I guess that might work. It's hard for us to speculate as we've never tried anything like it Bruce On Fri, 26 Mar 2010, Martin Kavec wrote:
> Hi, > > in our population of MCI patients, unfortunately parts of the cerebellum were > not completely scanned. I ran the data throught the whole FS-4.5.0 pipeline > and I see that the eTIV normalized volumes of the segmented structues have > very large variance compared to the eTIV normalized group of independent age > matched subjects with the full brain coveage. I assume that this is possibly > due to the suboptimal registration to the template, which is used to compute > eTIV. In fact, all the subjects with incomplete cerebellum failed to pass the > quality check of the registration to Talairach, but on the first glance the > registration seemed fine to me so I just used -notal-check flag to complete > recon-all -all. > > I know I could go back, check more carefully and correct the Talairach > transform manually, but I hesitate to go this way. Rather I thougt if it would > be possible/feasible to remove the cerebellum from each subject AND the > template and possibly achieve better registration from these images. > > Thanks in advance for opinions, > > Martin > _______________________________________________ > 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.