Fig. 3From: A brief review of non-invasive brain imaging technologies and the near-infrared optical bioimagingModality of PET/CT. The standardized glucose uptake value ratios (SUVR) relative to the cerebellum from 18F-FDG PET scans of a healthy control (HC) and an Alzheimer’s disease patient. Adapted with permission from Kazemifar et al. 2017Back to article page