Hi EK, this was a bug I fixed a little while ago. The negative thicknesses should all be in non-cortical regions, but it's fixed in the most recent version of mris_make_surfaces and mris_thickness. The negative value should all be 0
cheers, Bruce On Thu, 1 Apr 2010, eunkyung kim wrote: > Dear all > I performed recon-all -s subjectID -qcache and obtained thickness data > which was normalized to fsaverage template. > I'd like to extract thickness value of the '-rh(or > lh).thickness.fwhm0.fsaverage.mgh' file in each subjects, so it was > transformed to the ascii file format. > However, the thickness data obtained from the ascii file did have some > negative values. !!! > Interestingly, the thickness value that was not normalized to the > fsaverage did not have negative values so I was very confused.. > Please let me know how can I treat the negative value. > > I really THANK YOU for your reply. > > Sincerely, EK. > _______________________________________________ > 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.
