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FIG 1. Regions of interest used for quantitative analysis. A, Representative MR image on which regions of interest are outlined. B, Schematic drawing of a rat brain at similar level with identical regions of interest superimposed. regions of interest were defined as: retrosplenial parietal and temporal cortex (RCp and RCt), piriform cortex (PC), hippocampus (Hippo), thalamus (Thal), and amygdala (Amy).
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