Rong, You should wait until 5.1 comes out and use that to rerun your cross-sectionals (which will have to be rerun to match a newer version) and use that longitudinal stream which will be the most reliable. Allison

On Thu, 23 Dec 2010, rong chen wrote:

Hi, I want to use FreeSurfer to analyze a longitudinal study. For each subject in my study, I already used FreeSurfer 4.2 to perform the cross-sectional analysis. However, FreeSurfer 4.2 did not have a longitudinal pipeline. Therefore, I want to use FreeSurfer 4.5 for this purpose. My question is: A) Should I rerun the cross-sectional analysis using FreeSurfer 4.5 OR B) I just run 'recon-all -base' and 'recon-all -long' using FreeSurfer 4.5, based on the cross-sectional results from version 4.2.

Thanks, Rong

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