Hi,
> When I want to investigate a functional cluster determined by a specific
> contrast I chose, I put my cursor on the local maximum of that cluster and
> by clicking on "current cluster" I can see how many voxels this cluster
> contains. E.g. in one case, this cluster contains 52 voxels. When I want to
> make this cluster my ROI, I just write this cluster using marsbar. However,
> when I then look at that written ROI (of the same cluster) using the marsbar
> function "View", it says that the volume of this ROI is 3564 mm.
What version of SPM are you using?
Is your voxel size 3x3x3?
Best,
Matthew
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