Table 2.

Comparisons of CBS, RS and NC groups showing the locations in which WM reductions were greater in one group than in the other.

	Region volume (cluster)	t−value	Talairach coordinates (x, y, z)	Location of local maxima
NC > CBS	973	5.76	−20, −15, 46	left precentral gyrus
	1210	5.69	18, −19, 44	right cingulate gyrus
		4.81	33, −18, 56	right precentral gyrus
		4.57	10, 3, 54	right middle frontal gyrus
NC > RS	2132	6.91	−13, −17, −6	left midbrain
		5.21	15, −15, −6	right midbrain
RS > CBS	939	5.27	−18, −18, 42	left cingulate gyrus
		4.36	−14, −16, 56	left medial frontal gyrus
	911	5.05	29, −36, 51	right postcentral gyrus
		4.85	22, −23, 44	right cingulate gyrus
		4.59	27, −8, 55	right middle frontal gyrus
CBS > RS	932	4.87	6, −33, −4	right midbrain
		4.82	−9, −31, −6	left midbrain

Clusters of WM SPM analysis uncorrected at p < 0.001 with an extent threshold of 300 voxels are shown. The coordinates refer to the Talairach reference space.

Note − CBS = corticobasal syndrome, NC = normal controls, RS = Richardson’s syndrome