Figure 4
From: Technical aspects of amyloid imaging for Alzheimer's disease

Tissue time-activity curves. Tissue time-activity curves (TACs) from the two subjects shown in Figure 3 for four regions: cerebellar grey matter (cerebellum), frontal cortex, temporoparietal cortex and occipital cortex. (Left) Age-matched control subject. (Right) Alzheimer's disease patient. TACs shown corrected for radioactive decay.