> How can I normalize the count of each voxel to the average count of
> cerebellum? Is it possible to do this with SPM2?
It is not possible to do it extremely accurately, but it can be done
approximately, providing you have some sort of region of interest defined for
the cerebellum, in the space of a template used for spatial normalisation.
The cerebellum ROI could be applied to the spatially normalised data, in order
to compute the mean cerebellar intensity. Once you know this, then you would
simply divide the values in your image by this mean.
Best regards,
-John
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