Table 2.

Maintenance-related neural distinctiveness.

Region	Number of voxels	MNI coordinates			Neural distinctiveness				Statistics
						Memory load
		X	Y	Z	Age group	Low	Med	High
AIN EFFECT OF AGE
No significant clusters
AGE BY LOAD INTERACTION
Orbitofrontal cortex	523	0	55	−15	Young	−0.02	0.04	0.18	F(2, 117) = 13.48, p < 0.001
					Old	0.05	0.05	0.00
L. superior frontal gyrus	171	−38	17	54	Young	−0.03	0.09	0.17	F(2, 117) = 11.72, p < 0.001
					Old	0.12	0.03	0.03
L. inferior frontal gyrus	323	−47	10	21	Young	−0.02	0.07	0.11	F(2, 117) = 9.48, p < 0.001
					Old	0.09	0.03	0.03
L. inferior frontal gyrus	161	−24	31	−3	Young	−0.02	0.14	0.21	F(2, 117) = 7.87, p < 0.001
					Old	0.13	0.06	0.07
R. superior frontal gyrus	429	41	38	33	Young	0.05	0.06	0.21	F(2, 117) = 10.24, p < 0.001
					Old	0.13	0.11	0.09
R. inferior frontal gyrus	429	38	24	12	Young	−0.06	0.03	0.14	F(2, 117) = 15.46, p < .001
					Old	0.09	0.00	0.01
L. precuneus	85	−17	−58	33	Young	−0.02	0.07	0.16	F(2, 117) = 8.45, p < 0.001
						Old	0.08	0.06	0.05