Table 7.

Multiple Linear Regression Analyses of Medial Temporal Lobe ROI’s Age-related change in D2-like receptor availability (BP_ND) using [¹⁸F]Fallypride PET.

Model	Parameter	Amygdala	Anterior temporal lobe medial part	Fusiform gyrus	Hippocampus	Parahippocampal and ambient gyri
	N	131	130	127	129	127
Baseline	R2	0.136***	0.169***	0.044*	0.148***	0.198***
Linear	Age	−0.013 [−0.018, −0.0066]	−0.011 [−0.015, −0.0069]	−0.0072 [−0.011, −0.0034]	−0.0037 [−0.0078, 0.00038]	−0.0033 [−0.0058,−0.00076]
	R2 change	0.102***	0.162***	0.097***	0.021	0.041*
Quadratic	Age	−0.037 [−0.072, −0.0011]	−0.032 [−0.054, −0.0091]	−0.037 [−0.06, −0.015]	0.01 [−0.014, 0.035]	−0.018 [−0.032, −0.0029]
	Age2	0.00026 [−0.00012, 0.00063]	0.00022 [−1.4e-05, 0.00046]	0.00032 [8.7e−05, 0.00055]	−0.00015 [−4e−04, 1e−04]	0.00015 [−1.1e−06, 3e−04]
	R2 change	0.011	0.018	0.049**	0.009	0.023

Notes

Significant effects are denoted in bold.

Full regression tables can be found in the online application http://13.58.222.229:3838/agebp/.

^*p < .05.

^**p < .01.

^***p < .001.