Table 4.

Regression Models: Brain Volume and Selected Memory Outcomes

Recall Trial 8
		Verbal Recall-Trial 8			Nonverbal Recall-Trial 8
	ROI Volume	Beta	t-score	p-value	Beta	t-score	p-value
Model 1	Left Hippocampus	−.184	<1	ns	−.063	<1	ns
	Right Hippocampus	.572	2.87	.005	.475	2.36	.02
Model 2	Left Hippocampus	−.176	<1	ns	−.028	<1	ns
	Right Hippocampus	.71	3.30	.001	.433	1.9	.06
	L Parahippocampus	−.03	<1	ns	−.04	<1	ns
	R Parahippocampus	−.05	<1	ns	−.18	1.45	ns
	L Endorinal Cortex	−.003	<1	ns	−.132	−1.09	ns
	R Endorinal Cortex	−.095	<1	ns	−.20	1.95	.06
	L Fusiform	−.34	−2.67	.009	−.15	−.1.13	ns
	R Fusiform	−.009	<1	ns	.089	<1	ns
Frontal	(Selected below)
	R Superior Frontal	.431	3.32	.001	Not in model
	R Parsopercularis	−.307	−2.98	.004	Not in model
	L Parsorbitalis	.290	2.58	.01	Not in model
	R Rostral Medial Frontal	−.266	−2.87	.02	Not in model
Slope
		Verbal Slope			NonVerbal Slope
	ROI Volume	Beta	T-score	p-value	Beta	T- score	p-value
Model 1	Left Hippocampus	−.459	−2.18	.03	−.091	<1	ns
	Right Hippocampus	.586	2.78	.007	.439	2.14	.04
Model 2	Left Hippocampus	−.431	−1.90	.05	−.084	<1	ns
	Right Hippocampus	.709	2.91	.005	.518	2.2	.03
	L Parahippocampus	−.03	<1	ns	−.134	<1	ns
	R Parahippocampus	.16	1.25	ns	.16	1.22	ns
	L Endorinal Cortex	−.11	<1	ns	.16	1.29	ns
	R Endorinal Cortex	.04	<1	ns	−.02	<1	ns
	L Fusiform	−.26	−1.83	.07	−.17	−1.25	ns
	R Fusiform	−.03	<1	ns	.029	<1	ns
Frontal	(selected below)
	R Frontal Pole	Not in model			−.276	−2.62	.01
Delayed Recall
		Verbal Delayed Recall			NonVerbal Delayed Recall
	ROI Volume	Beta	t-score	p-value	Beta	t-score	p-value
Model 1	Left Hippocampus	−.249	−1.21	ns	−.198	<1	ns
	Right Hippocampus	.546	2.65	.009	.548	2.70	.008
Model 2	Left Hippocampus	−1.91	<1	ns	−.202	<1	ns
	Right Hippocampus	.755	2.24	.002	.668	2.90	.005
	L Parahippocampus	−.049	<1	ns	−.02	<1	ns
	R Parahippocampus	−.024	<1	ns	−.01	<1	ns
	L Endorinal Cortex	−.017	<1	ns	.28	−2.28	.025
	R Endorinal Cortex	−.077	<1	ns	.195	1.84	.07
	L Fusiform	−.30	−2.21	.03	.116	<1	ns
	R Fusiform	.139	<1	ns	.064	<1	ns
Frontal	(selected below)
	R Parsopercularis	−.266	−2.37	.02	Not in model

Recall Trial 8: Verbal: Model 1: R=.42, R²=.18, F(2, 89)=9.54, p<.000; Model 2: R=.65, R²=.42, F(12,79)=4.75, p<.000; Nonverbal: Model 1: R=.42, R²=.18, F(2, 89)=9.61, p<.000; Model 2: R=.50, R²=.25, F(8, 83)=3.52, p<.001.

Slope: Verbal: Model 1: R=.29, R²=.08, F(2, 89)=4.02, p<.02; Model 2: R=.38, R²=.14, F(8, 83)=1.73, p=.10; NonVerbal: Model 1: R=.36, R²=.13, F(2, 89)=6.5, p<.002; Model 2: R=.47, R²=.22, F(9,82)=2.59, p<.01.

Delayed Recall: Verbal: Model 1: R=.35, R²=.12, F(2, 89)=6.21, p<.003; Model 2: R=.49, R²=.24, F(9,82)=2.83, p<.006; NonVerbal: Model 1: R=.39, R²=.15, F(2, 89)=7.84, p<.001; Model 2: R=.49, R²=.24, F(8, 83)=3.23, p<.003.