Figure 3

FC within the left IFG during RS versus the different TMT task conditions. “early elders”: participants < 65 years, “late elders”: participants > 65 years. Error bars indicate the 95% confidence interval. *Asterisks represent a statistically significant difference between the early and the late elder subgroup (p < 0.05). RS, resting state; TMT, Trail Making Test; AU, arbitrary unit.