Figure 2.The age×APOEε4 effects on fiber bundles. Significant main effect of age (Top), main effect of APOEε4 genotype (Middle), and age×APOEε4 interaction (Bottom) on fibers were found (p<0.05, uncorrected). ATR, Anterior thalamic radiation; SLF, Superior longitudinal fasciculus; Hip, cingulum.hippocampus; L, left; R, right.