Table 2.

AIC and BIC values for null, linear, quadratic, and cubic age models fitted separately for delay of gratification skills (AUC normalized), FA of the frontostriatal (FS) tract, and MD of the FS-tract

Measure	Model
	Null		Linear		Quadratic		Cubic
	AIC	BIC	AIC	BIC	AIC	BIC	AIC	BIC
AUC (normalized)	19.19	31.04	2.57	18.37	0.36	20.12	0.29	23.99
FA of the FS-tract	−2000.71	−1988.86	−2050.19	−2034.39	−2055.72	−2035.97	−2062.04	−2038.34
MD of the FS-tract	−7168.88	−7157.02	−7183.25	−7167.45	−7186.82	−7167.07	−7195.07	−7171.36

Preferred models are highlighted in bold.