Fig. 4.

Voxel-wise statistical analysis of white matter damage: overall object naming and the shared language component. Note: VBM results showing voxels corresponding to white matter damage in (red) overall object naming, (yellow) the ‘shared’ language principal component and (orange) their overlay. Please note that the lesioned areas are coloured according to their significance level in the VBM analysis, where brighter colours mean higher t-values. The numbers in brackets indicate peak MNI coordinates. On the top row are two T1-weighted MR images overlaid with statistical parametric maps (SPMs) generated from the VBM analyses. In addition, to further illustrate the possible use of CT scans in lesion–function mapping analysis, SPMs are plotted on a CT image (bottom right) of the same axial view as the T1-weighted image above it.