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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Psychol Aging. 2020 Mar 19;35(4):536–552. doi: 10.1037/pag0000454

Table 6.

Average Activation in Significant Clusters for Younger and Older Adults

Younger Adults Older Adults
Region Mean Z-Score Mean Z-Score
Insula Cluster
 High Frequency Condition 2.39 2.52
 Medium Frequency Condition 3.53 1.90
 Low Frequency Condition 4.28 0.98
SFG Cluster
 High Frequency Condition 3.46 4.08
 Medium Frequency Condition 4.55 3.51
 Low Frequency Condition 6.22 3.82