The result of matching is shown on the MATCHED PET page. Please verify that matching was successful by evaluating the alignment in different parts of the brain. Particularly helpful to do so is to interactively drag the fusion balance left/right, and to enable contour outlines.
If the match is not satisfactory, there are two options to rectify the situation:
Please activate the Normalize action button to proceed. Because the normalization has already been calculated in the process of the GM/WM/CSF segmentation, it is simply applied to the data at this stage.