Table 7.

Regression Dependent Variable: Spatial Working Memory Performance (as index by Total Error Z-Score; Higher z-score = fewer errors)

Model	Variables	Unstandardized regression coefficients, Standard Error, p-value	F-change(df)	R-square change, p values
1	Pubertal Stage	B=.113, SE=.109, p=.308	FΔ(1,41)=7.477	R2Δ=.359, p<.001
	Cumulative Life Stress	B= −.205, SE=.068, p=.001
2	Pubertal Stage	B=.134, SE=.112, p=.238	FΔ(1,39)=.847	R2Δ=.014, p=.363
	Cumulative Life Stress	B= −.172, SE=.077, p=.030
	Acute Stress	B=−0.35, SE=.038, p=.363
3	Pubertal Stage	B=.092, SE=.104, p=.380	FΔ(2,37)=4.67	R2Δ=.126, p=.016
	Cumulative Life Stress	B= −.010, SE=.088, p=.908
	Acute Stress	B=−.033, SE=.035, p=.352
	Frontal White Matter (Right Prefrontal White Matter Cluster)	B=2.142, SE=.995, p=.038
	Frontal Gray Matter (Left Anterior Cingulate Cluster)	B=1.213, SE=.530, p=.028