Re: [Freesurfer] freesurfer longitudinal pipeline

2017-09-28 Thread Martin Reuter
Hi Paul, step 4 basically means that you should take results from the *.long.baseid directories and not look at the original cross sectional directories or the base output. The page on statistic describes different tools to do that. Yes, --s is replaced. All information on the subject ids is

Re: [Freesurfer] freesurfer longitudinal pipeline

2017-09-27 Thread miracle ozzoude
Thank you very much Martin for your response. I do understand the statistical analysis ascept, my question was more in line with the last step (i.e. step 4) of the work flow summary ( https://surfer.nmr.mgh.harvard.edu/fswiki/LongitudinalProcessing). You suggested we calculate the difference betwee

Re: [Freesurfer] freesurfer longitudinal pipeline

2017-09-27 Thread Martin Reuter
Hi Paul, for the statistical analysis take a look at the available options here: https://surfer.nmr.mgh.harvard.edu/fswiki/LongitudinalStatistics for asegstats2table you can use the --qdec-long flag with an appropriate text file containing the columns fsid and fsid-base . This will convince

[Freesurfer] freesurfer longitudinal pipeline

2017-09-26 Thread miracle ozzoude
Hello Freesurfer, For the longitudinal pipeline, the website/ recon-all -help suggested that I calculate the different on the results from the longitudinal command (e.g. tp2.long.longbase - tp1.long.longbase). Let say, my timepoints were named 1001_Baseline.long.longbase and 1001_Followup.long.lon