Research Paper Volume 12, Issue 22 pp 23351—23378

Cognitive reserve and network efficiency as compensatory mechanisms of the effect of aging on phonemic fluency

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Figure 1. Cohort stratification. The cohort was stratified into groups of CR, performance in phonemic fluency, and age, using the median values for these variables as shown next to the arrows in the Figure. CR, cognitive reserve. PF, phonemic fluency performance.