Donna Hanlon schrieb:
Hi Dr. Kamphuis,
The coordinates in the ID window reflect the coordinate space of the
primary fiducial surface that is currently loaded. Are you using one
of our atlases (e.g., the colin atlas)? If so, this atlas is
available in four spaces (711-2B, AFNI, SPM2, and SPM99). So if you
have the SPM2 fiducial coordinate file loaded, then your coordinates
are in avg152T1 space (the atlas target used for warping the surface
coordinates). These coordinates should be consistent (i.e., be in the
same space) as the corresponding left and right cerebral hemisphere
fiducial surfaces for Colin in SPM2 space.
If you're not using colin, but rather some other cerebellar surface,
then I will need more information to understand the relationship
between the cerebellar and cerebral coordinate spaces.
Donna
On 01/17/2006 09:24 AM, Simone Kamphuis wrote:
Hello,
Is there a possibility to convert to coordinates given in the
Identify Window (Main Window Fiducial XYZ) of a Cerebellum surface to
the coordinates given in the Identify Window of a Cerebral surface?
As far as I understand are the latter TAL coordinates, but I don't
understand the coordinates given in the ID Window of a Cerebellum
surface.
Thanks a lot!
Simone Kamphuis
Hertie Institute for Clinical Brain Research
Tuebingen/Germany
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Dear Donna,
Thank you, that was very helpfull (I mixed up the 711-2B and the SPM2
spaces).
Now, I am using the fiducial surface for Colin in SPM2 space. When I
want to map stereotaxic Foci onto this surface, do I have to give the
position in mm MNI or mm TAL?
Thanks again,
Simone
