Bars depict mean (SEM) of VT following the first injection of tracer (baseline), tracer injection 2 hr after letrozole (blocking) or tracer alone approximately 2 weeks after the first scan (retest).
Abbreviations: amy=amygdala, cb=cerebellum,med=medulla(inferior olive), occ=occipital cortex, poa=preoptic area, put=putamen, temp=temporal cortex, thal = thalamus (pulvinar and mediidorsal), wm=cortical white matter.