Hi Anna, whenever it says qdec-long the table is in qdec format (with a fsid-base as second column. It would then use the longitudinally processed results, which is what you want , both for lme and 2 stage model.
Best Martin


Sent via my smartphone, please excuse brevity.

-------- Original message --------
From: Anna Jonsson
Date:06/09/2014 3:47 PM (GMT+01:00)
To: Freesurfer support list
Subject: Re: [Freesurfer] free-surfer longitudinal Qdec table

Hi, sorry for more questions, but i have a few. When running the first step of the lme implemented tools, doing the command mris_preproc --qdec-long qdec.table.dat --target study_average --hemi lh --meas thickness --out lh.thickness.mgh (assembles your thickness data into a single lh.thickness.mgh file), am I correct that this just needs to be a "normal" cross-sectional qdec table that free surfer subsequently makes into long format by --qdec-long option? so the lnogitudinal qdec table is only used in the two stage modell? This too just uses the cross-sectionally derived scans?  Im confused where the .long runs become used?

thank you and kind wishes


On Wed, Jun 4, 2014 at 5:01 PM, Martin Reuter <mreuter@nmr.mgh.harvard.edu> wrote:
Hi Anna,
Fsid is the cross sectionall name without the .long.
Best martin


Sent via my smartphone, please excuse brevity.


-------- Original message --------
From: Anna Jonsson
Date:06/04/2014 7:22 AM (GMT-05:00)
To: Freesurfer support list
Subject: [Freesurfer] free-surfer longitudinal Qdec table

Hi,

I would like to make my freesurfer longitudinal qdec table for the to use in the lme matlab tools. However, does the fsid need to refer to the longitidunally derived subject; eg XXX.long, or the cross-sectionally derived subject, eg XXX. Im not sure based on the specification online.
 Kind Regards

Anna

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