This corresponds to the non-cortical areas of the medial wall and subcortical structures (hippo, amyg, etc) that the surface must pass through to create a closed surface. doug
On 04/30/2012 01:07 PM, Steven Korycinski wrote: > Hi all, > > When using TkMedit to view aparc+aseg.mgz for the subjects of my > research study I've noticed that in each of their images there exists > at least some portion of the cortex labeled as"unknown" in the > temporal lobe of the brain. As an example, in the image I've attached > to this email there's a particularly large area labeled as > "ctx-rh-unknown" in the right temporal lobe (left side of the image). > Can anyone explain why such a large area labeled as "unknown" might > exist in this image, and why similar smaller areas like this exist in > all of my other subjects as well? > > Thanks, > > -Steve > > > _______________________________________________ > Freesurfer mailing list > [email protected] > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center [email protected] Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list [email protected] 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.
