Figure 9.Effect of GNL on D-gal-induced cognitive impairment mice by using 99mTc-HMPAO (brain) animal imaging. Composite 0–60-min images, time-activity curves, and regions of interest (ROIs) are shown: Group I: (A), Group II: (B), Group III: (C), Group IV: (D), Group V: (E), and Group VI: (F). Brain ROI. Abbreviations: BG: background; WB: whole body.
