Hi Masise and Laura, yes, it is area*thickness, but area*thick is computed on a vertex-by-vertex basis, then summed over vertices. This is not the same as summing the area and multiplying it by the mean of the thickness. doug
On 10/23/2012 06:52 AM, L. Koenders wrote: > Dear Freesurfer people, > > We posted this question before, but maybe you missed it. We have a question > regarding the relationship between cortical volume, cortical area and > cortical thickness measurements derived from the parcellation stat-file. We > were under the impression that the volume is equal to the area*thickness. > However, this is not the case. Can you tell us how these three measurements > relate to each other? > Thanks for your help! > > Kind regards, > > Marise Machielsen& Laura Koenders > > ________________________________ > > AMC Disclaimer : http://www.amc.nl/disclaimer > > ________________________________ > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu 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 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.
