VOI
Creating SPM-readable VOI files from multi-label file
Example: SPM12 comes with the neuromorphometrics atlas. This is a single file nifti with an associated xlm label file:
Uder the CSPM VOI menu, choose "Extract individual VOI from multi-label file"
Select "labels_Neuromorphometrics.nii"
This will create a subfolder "VOIindiv"...
...inside which are the individual VOI:
Change the name of the subfolder to reflect the Atlas:
You can now move this to where you like.