Table 5.

Relationship of total gray matter volume to five cognitive domains

Composite score of cognition	Estimate	SE	p value
Perceptual speed	0.003	0.001	0.013
Episodic memory	0.003	0.001	0.001
Semantic memory	0.001	0.001	0.237
Working memory	0.001	0.001	0.631
Visuospatial ability	0.002	0.001	0.143

All models adjusted for age, sex, and education