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. Author manuscript; available in PMC: 2020 Mar 8.
Published in final edited form as: Exp Aging Res. 2019 Mar 8;45(2):120–134. doi: 10.1080/0361073X.2019.1586120

Figure 2.

Figure 2.

N-back performance after equating subjects on perceptual performance. Panels A-C show 1-back and 2-back performance in terms of proportion correct (panel A), sensitivity (panel B), and response time (panel C). Panels D-F show switch and non-switch trials from the unpredictable 2-back task. This comparison eliminates the memory load confound present in the comparisons in panels A-C. Panels A and B show an absence of age-related effects; panel C shows that older adults have slower access times for 2-back items; panel D and E show an older-adult advantage for non-switch trials; and Panel F shows equivalent age-related differences for both types of trials. Error bars represent standard error of the mean.