Hi Ashkay, if you are doing voxel-wise TBM it probably doesn't matter. The definition of gray matter should be consistent between the two, just the labels of what bit of cortex they are will change.
cheers Bruce On Fri, 22 Mar 2013, Akshay wrote: > Hello Freesurfer experts, > > I am currently doing some TBM analysis and to compute whole brain > atrophy I consider all the structures except ventricles and CSF from > aseg.mgz in my definition. Should I also include the cortex definition > from aparc+aseg? If yes, should I then use aparc+aseg or > aparc.a2009s+aseg segmentation file? > > Any help will be greatly appreciated. > > Akshay > > Univ. of Copenhagen > _______________________________________________ > 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.
