Table 3. Linear, Quadratic and Cubic Correlations Between Age and the Mean Depth and Fold Opening for Each Sulcus.

	Mean Depth			Fold Open
Sulcus	Linear	Quadratic	Cubic	Linear	Quadratic	Cubic
CS	−.158*	−.167*	−.168*	.087	.090	.088
PCI	−.049	−.047	−.046	.007	.003	.000
IFS	−.058	−.047	−.037	.042	.050	.052
SFS	−.017	−.019	−.021	.098	.085	.074
FO	−.187**	−.176**	−.158*	.171*	.161*	.144*
SF	.086	.073	.063	.034	.036	.035
STS	−.091	−.096	−.102	.022	.060	.011
IP	−.103	−.111	−.112	−.004	.001	.003
IPCS	−.053	−.047	−.042	.015	.017	.018
SPCS	.119	.140*	.153*	−.107	−.116	-.118
SupPar	−.075	−.080	−.079	.092	.086	.077

^**p < .01

^*p <.05

⁺p <.10