Thanks Ziad, looks like it is similar to FSFAST. doug

On 05/29/2013 11:50 AM, Ziad Saad wrote:

Hi Joe,

As Doug guessed, I never used FSFAST so I can't really tell you much about how they differ.

SUMA will require you use FreeSurfer to create the surfaces and warp them to standard spherical space. For the analysis stream, the one difference that comes to mind is that we recreate standard-mesh versions of FreeSurfer's surfaces (via sphere.reg) to make all surfaces isotopic across all the subjects. After that, and aside from the surface-specific procedures such as smoothing or clustering, all level-I and level-II voxel-wise computations can be carried out on surface-based data. A recent description of the analysis stream is in this paper http://afni.nimh.nih.gov/pub/dist/papers/Saad_SUMA_2011.pdf .

cheers, z

On May 29, 2013, at 09:44 AM, Douglas Greve wrote:

...

sorry, I've never used SUMA. Maybe Ziad can chime in (though he's probably never used FSFAST!) doug

On 5/28/13 8:57 PM, Joseph Dien wrote:

...

I was wondering if someone could give me a summary as to how SUMA and FSFAST differ? In other words, user interface aside, what would be reasons to use one or the other?

Joe

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Joseph Dien, Senior Research Scientist University of Maryland

E-mail: jdien07@mac.com mailto:jdien07@mac.com Phone: 301-226-8848 Fax: 301-226-8811 http://joedien.com//

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