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Age-Related Differences in the Dynamic Causal Model (DCM). A similar DCM was observed in both young and older adults. However, older adults showed a reduction in modulation of episodic richness by top-down influence of the VLPFC on hippocampus. There was also an age-related reduction in the driving input on the VLPFC. B = value of the modulatory input, C = value of the driving input.
