Table 2.

Results of hierarchical regression analyses using caudate volume to predict neuropsychological performance in the ALC group (n=19). Values presented are p values corresponding to the caudate predictor and adjusted R² and ΔR² corresponding to the final regression equation for each analysis.

Model IVs		WCST PR	CVLT-C FP	CVLT-C A Total	CVLT-C LDF
Step 1	Step 2	p-caudate predictor (2-Step model adjusted R2; ΔR2)	p-caudate predictor (2-Step model adjusted R2; ΔR2)	p-caudate predictor (2-Step model adjusted R2; ΔR2)	p-caudate predictor (2-Step model adjusted R2; ΔR2)
Caudate	__	.002 (0.39)	<0.001 (0.58)	<0.001 (0.51)	0.003 (0.37)
Total Brain	Caudate	0.033 (0.36; 0.20)	0.001 (0.58; 0.44)	0.009 (0.48; 0.26)	0.007 (0.37; 0.33)
Frontal Lobe	Caudate	0.012 (0.36; 0.28)	0.001 (0.57; 0.43)	0.008 (0.49; 0.27)	0.005 (0.37; 0.36)
Lenticular Nucleus	Caudate	0.039 (0.38; 0.18)	0.002 (0.56; 0.32)	0.004 (0.48; 0.33)	0.051 (0.36; 0.16)
Cerebellum	Caudate	0.070 (0.36; 0.13)	0.006 (0.58; 0.23)	0.020 (0.51; .020)	0.030 (0.34; 0.20)
FSIQ	Caudate	0.004 (0.36; 0.40)	<0.001 (0.67; 0.51)	0.001 (0.54; 0.47)	0.005 (0.36; 0.37)
Age	Caudate	0.002 (0.57; 0.32)	<0.001 (0.73; 0.49)	0.001 (0.49; 0.50)	0.005 (0.39; 0.35)
FAS Diagnosis	Caudate	0.005 (0.36; 0.37)	0.001 (0.56; 0.46)	<.001 (0.54; 0.58)	0.002 (0.40; 0.46)