Hi Simon We did a study of this with the Oasis data and found it didn't make much difference Bruce
On Feb 9, 2011, at 6:16 AM, simon maier <simon.ma...@uniklinik-freiburg.de> wrote: > Dear all, > > we acquired mprage images of a Siemens tim-Trio scanner and converted > the DICOMs into nifti-Format for VBM and manual Morphometry. Nifti > images were automatically co-registered with the MNI Standard brain in > SPM8 by changing the header information. No reslicing was performed. We > noticed differences in volumes in the aseg_stats_tables depending on the > initial orientation of the individual brain. Is there a standard > procedure to optimally reorient the images before processing the > recon-all analysis? Is it better to use reoriented images that have been > resliced or is it sufficient to change only the header information? Is > it advisable to reorient the anatomical images manually to AC-PC before > running recon-all? > > Thanks in advance for your help, > > Simon > _______________________________________________ > 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.