[caret-users] Mapping Functional Volume to flattened partial hemisphere

John Harwell john at brainvis.wustl.edu
Tue Jun 19 16:43:03 CDT 2007


First, make sure you are mapping the functional volume to the 3D  
fiducial surface.

Second, both the anatomical and functional volumes must be in the  
same stereotaxic space.  Load the anatomical and functional volumes  
into Caret and verify that the functional data properly overlays the  
anatomical data.  In addition, if you load your 3D surface into  
Caret, there is an option on the Overlay/Underlay-Volume Settings  
page that allows the display of the 3D surface where it intersects  
the displayed volume slice.

John Harwell
john at brainvis.wustl.edu

Department of Anatomy and Neurobiology
Washington University School of Medicine
660 S. Euclid Ave.    Box 8108
St. Louis, MO 63110   USA

On Jun 19, 2007, at 4:31 PM, Jed Mathis wrote:

> We have a flat map of an occipital lobe and are trying to map a  
> functional
> dataset onto it. I've tried using the Map Volume to Surface command  
> and it
> does map the data set on but it appears to be off in the Anterior to
> Posterior Direction.
> The spgr used for the flatmap is from the same exam used to collect  
> the
> functional dataset. Anything in particular I need to do to the  
> functional
> dataset before trying to align to the flat map?
> Thanks
> Jed
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