Hi John, you can run mris_convert to convert the ?h.pial to an ascii file that will have the xyz coordinates. doug

On 4/1/12 10:03 PM, John Fredy wrote:

Hello Brush

I actually run Freesurfer in around two to tree subjects at the week. I was thinking in using the coordinates of pial surface, but I don't know all the process

I will wait your help

Thanks in advance

John Ochoa Bioingeniería Universidad de Antioquia

On Sat, Mar 31, 2012 at 5:31 PM, Bruce Fischl <fischl@nmr.mgh.harvard.edu mailto:fischl@nmr.mgh.harvard.edu> wrote:

Hi John

we can provide that for you if you download and install
FreeSurfer, then run recon-all on your data. We also provide tools
for computing gray/white contrast once recon-all has been run.

cheers
Bruce

 On Sat, 31 Mar 2012, John Fredy wrote:

    Hello all, I am looking for a white-gray matter contrast algorithm

    I see the publication: Individual Differences in Verbal
    Abilities Associated
    with Regional Blurring of the Left Gray and White Matter Boundary

    http://www.ncbi.nlm.nih.gov/pubmed/22031871

    But,how I can obtain the coordinates of the interface between
    gray and white
    matter?

    Thanks in advance






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