Hi Alex,
The legacy flag needs to be used with old data (pre version 3) in order to "update" it to version three compatible data. You want to specifically keep pre version 3 data separate from version 3 data, as folding patterns and atlases are intrinsically different.
Jenni
-----Original Message----- From: freesurfer-bounces@nmr.mgh.harvard.edu [mailto:freesurfer-bounces@nmr.mgh.harvard.edu] On Behalf Of Fornito, Alexander Sent: Sunday, February 11, 2007 10:45 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] Legacy flag
Hi, I was just seeking some clarification re: the legacy flag in recon-all. Can I use it on subjects procssed with older versions of Freesurfer to reconstruct surfaces that will be consistent with those generated with older versions (i.e., I can collapse data from the two versions), or is the legacy flag intended to allow new versions of recon-all to be used on old data, effectively 'updating' the surfaces (meaning they should not be analyzed together with data generated using older versions). Thanks, Alex
Alex Fornito JN Peters Research Fellow Melbourne Neuropsychiatry Centre and Department of Psychology National Neuroscience Facility The University of Melbourne Levels 2 & 3, Alan Gilbert Building 161 Barry St Carlton South Vic 3053 Australia Ph: +61 3 8344 1861 Fax: +61 3 9348 0469 email: alexander.fornito@wh.org.au
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