Fig. 5: Clinical MRS/PET study comparison.

A Tracer characteristics, [18F]FPEB non-displaceable binding potentials (BPND), and MR spectroscopy results from the anterior cingulate cortex. B Scatter plots of the correlations between mGluR5 density and ACC levels of glutamate (Glu/Cr), glutamine (Gln/Cr) ratios in the ACC.