Table A2. .

Additional Mediation Analysis Results for Individual Factors

Region	Specific Indirect Effect of Factor 1 “Is Useful”
Encyclopedic factors, conceptual memorability
Fusiform R	0.13 (z = 2.14, p = .033, adj p = .055)
Hippocampus L	0.1 (z = 2.03, p = .043, adj p = .043)
Hippocampus R	0.11 (z = 2.24, p = .025, adj p = .125)
Rhinal L	0.1 (z = 2.06, p = .039, adj p = .043)
Rhinal R	0.09 (z = 2.14, p = .032, adj p = .08)
Region	Specific Effect of Factor 4 “Is a Tool”
Visual factors, perceptual memorability
Fusiform L	0.11 (z = 2.12, p = .033, adj p = .066)
Fusiform R	0.1 (z = 2.18, p = .029, adj p = .166)
Hippocampus L	0.08 (z = 2.13, p = .033, adj p = .044)
Parahippocampal cortex R	0.16 (z = 2.5, p = .04, adj p = .04)