TABLE 1.

Correlations between brain glutamate concentrations in the hippocampus and hypothalamus and difference scores for serial feature negative (sFN) and simple discrimination (SD) tests by group.

Variable	WD		WD + MSG		CHOW		CHOW + MSG
	sFN diff	SD diff	sFN diff	SD diff	sFN diff	SD diff	sFN diff	SD diff
Serum glutamate	−0.21 NS	0.05 NS	−0.43 NS	−0.26 NS	0.23 NS	−0.01 NS	0.64 p < 0.05	0.21 NS
Hippocampal glu	−0.07 NS	−0.03 NS	0.58 p < 0.05	0.20 NS	0.75 p < 0.05	0.36 NS	0.27 NS	−0.08 NS
Hypothalamus glu	−0.11 NS	0.16 NS	−0.17 NS	−0.21 NS	−0.06 NS	0.03 NS	0.69 p < 0.05	0.24 NS

Significant correlations are in boldface.