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. Author manuscript; available in PMC: 2017 Feb 1.
Published in final edited form as: Neurobiol Aging. 2015 Oct 31;38:104–111. doi: 10.1016/j.neurobiolaging.2015.10.025

Fig. 1.

Fig. 1

Baseline and follow-up SUVR images for the CNnn, CNnp, and CNpp group. Baseline and follow-up SUVR images for 3 randomly selected participants in each group. Abbreviations: CNnn, cognitively normal, PiB− at both scans; CNnp, cognitively normal, PiB− at first scan but PiB+ at second scan; CNpp, cognitively normal, PiB+ at both scans; SUVR, standardized uptake value ratio.