Hi Catherine, If it's the mtl pial surface around the hippocampus then the pial surface is not expected to be accurate in that region. See FAQ question at link below.
http://surfer.nmr.mgh.harvard.edu/fswiki/UserContributions/FAQ#Q.Thesurfacesnearthemedialwall.2Chippocampus.2Candamygdalaaren.27taccuratelyfollowingthestructuresthere.HowcanIfixthis.3F -Louis On Wed, 9 Jan 2013, Catherine Bois wrote: > Hi, > > I am currently editing some scans (ie adding control points etc), > however I keep finding that after the editing often the brains look > "worse" than they did before; especially the medial temporal lobe > area. I have taken care not to put too many control points in/made > sure not to place them in partial volume areas, and only in areas that > are clearly excluded white matter. This problem has happened > repeatedly, yet looking at scans that my colleagues have edited (some > with up to 2000 control points) this problem does not occur. Has this > happened before, is it the software "malfunctioning" in some way? > > Thank you very much for your reply, > > > > _______________________________________________ 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.
