Hi Nick:

I processed around 183 brains using 4.0.3 a few years ago. I have numbers on the CC volume, thickness SA and Curvature. Are these not valid anymore?

thanks,

Alan

On Mon, Sep 13, 2010 at 10:27 AM, Nick Schmansky nicks@nmr.mgh.harvard.eduwrote:

corpuscallosum was removed from the parc stats because it is not a valid cortical structure (the thickness measure was not applicable).

n.

On Mon, 2010-09-13 at 10:05 +0200, Jordi Delgado wrote:

...

Dear FS experts,

We are using the 4.3.1 version of FreeSurfer, and we have noticed that in the lh.aparc.stats/rh.aparc.stats file there are 35 structures calculated and not 36 structures, only corpuscallosum is missing.

We have also compared it with an old subject processing (using 4.0.2 version of FreeSurfer) where corpuscallosum structure has been calculated...

Is this a known bug or maybe have we an error in our FS configuration or recon-all parameters?

Thank you in advance, /Jordi.

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you could tesselate the surface of the aseg cc and measure curvature that way On Mon, 13 Sep 2010, Nick Schmansky wrote:

no, those are not valid. cc is not a cortical structure. use the measurements from the aseg.stats file (for volume only).

n.

On Mon, 2010-09-13 at 10:57 -0400, Alan Francis wrote:

...

Hi Nick:

I processed around 183 brains using 4.0.3 a few years ago. I have numbers on the CC volume, thickness SA and Curvature. Are these not valid anymore?

thanks,

Alan

On Mon, Sep 13, 2010 at 10:27 AM, Nick Schmansky nicks@nmr.mgh.harvard.edu wrote: corpuscallosum was removed from the parc stats because it is not a valid cortical structure (the thickness measure was not applicable).

    n.

    On Mon, 2010-09-13 at 10:05 +0200, Jordi Delgado wrote:
   >
   > Dear FS experts,
   >
   > We are using the 4.3.1 version of FreeSurfer, and we have
    noticed that
   > in the lh.aparc.stats/rh.aparc.stats file there are 35
    structures
   > calculated and not 36 structures, only corpuscallosum is
    missing.
   >
   > We have also compared it with an old subject processing
    (using 4.0.2
   > version of FreeSurfer) where corpuscallosum structure has
    been
   > calculated...
   >
   > Is this a known bug or maybe have we an error in our FS
    configuration
   > or recon-all parameters?
   >
   > Thank you in advance,
   > /Jordi.
   >
   >
   > _______________________________________________
   > Freesurfer mailing list
   > Freesurfer@nmr.mgh.harvard.edu
   > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

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