Table 2.

Partial correlations between prefrontal regional gray matter volumes and age and self-initiated strategy use.

Region	Age		Forward Serial Clustering		Semantic Clustering
	pr^a	p	pr^a	p	pr^a	p
Left Superior	−.69^*	.000	.11	.091	.06	.242
Left Caudal Middle	−.36^*	.000	−.10	.123	.20^*	.008
Left Rostral Middle	−.54^*	.000	.08	.172	.13	.062
Left Inferior	−.60^*	.000	.06	.244	.21^*	.005
Left Medial Orbital	−.24^*	.002	−.02	.427	.09	.152
Left Lateral Orbital	−.45^*	.000	.06	.225	.09	.132
Right Superior	−.58^*	.000	.02	.387	.08	.162
Right Caudal Middle	−.29^*	.000	.01	.470	.14	.045
Right Rostral Middle	−.53^*	.000	−.02	.387	.25^*	.001
Right Inferior	−.63^*	.000	.09	.143	.07	.207
Right Medial Orbital	−.25^*	.001	.00	.496	.11	.096
Right Lateral Orbital	−.54^*	.000	−.00	.497	.17	.018

Partial correlation coefficient controlling for sex, gross cognitive status, and semantic processing ability.

indicates significant correlation after FDR multiple comparisons correction.