Fig. 3

SPECT visual rating. The output shows a SPECT visual inspection of glucose uptake metabolism: the black square denotes an area of mild-to-moderate temporo-parietal hypometabolism in one of the 14 low risk MCI patients and in one of the 13 high risk MCI patients respective to one of the 17 enrolled controls. SPECT single-photon emission computed tomography, MCI mild cognitive impairment