Otto,
These voxels have masked out during the estimation of your GLM.
To change the masking options have a look here:
http://www.jiscmail.ac.uk/cgi-bin/wa.exe?A2=ind0404&L=spm&P=R26846&I=-1
http://www.jiscmail.ac.uk/cgi-bin/wa.exe?A2=ind0006&L=spm&P=R13693&I=-1&m=3365
Best,
- Nate
>Otto Muzik wrote:
> Dear SPM colleagues,
>
> When running simple fMRI analyses I am sometimes getting contrast
> images which contain NaN values in parts of the brain. Obviously this
> is problematic for subsequent 2nd level analyses. Why is this
> happening and how can I get rid of such areas?
>
> Many thanks
>
> Otto
> --
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Otto Muzik, PhD [log in to unmask] Tel:(313)-993-2616
> vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
>
>
--
Nathan S. White
MGH-NMR Center
Building 149-2248
13th Street
Charlestown, MA 02129
[log in to unmask]
http://www.nmr.mgh.harvard.edu/~nwhite
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