Table 2.

PCA components derived from semantic memory fROIs for stable versus declining groups (from (Woodard et al., 2010).

Region#	Region	Stable Group Component Volume (ml)	Declining Group Component Volume (ml)	X	Y	Z	Cortical Component Loading	Hippocampal Component Loadings
1	Bilateral Posterior Cingulate Cortex, Precuneus	115.92	1.44	−1	−52	25	0.884	0.257
2	Left Angular Gyrus			−45	−56	24	0.889	0.266
3	Left Superior Frontal Gyrus			−18	30	41	0.805	0.018
4	Right Angular Gyrus			46	−60	27	0.815	0.275
5	Right Superior, Middle Frontal Gyrus			23	17	47	0.839	0.009
6	Left Parahippocampal Gyrus, Hippocampus	3.15	-	−22	−21	−11	0.269	0.898
7	Right Parahippocampal Gyrus, Hippocampus			24	−23	−12	0.053	0.946
8	Right Cerebellum	1.03	-	11	−75	−22	0.425	0.268