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Fig 2. Regions of interest (ROIs) used for quantitative apparent diffusion coefficient analysis.
A, Representative diffusion-weighted MR image on which ROIs are outlined.
B, Schematic drawing of a rat brain at similar level with identical ROIs superimposed. ROIs were defined as: retrosplenial parietal and temporal cortex (RCp and RCt), pyriform cortex (PC), hippocampus (Hippo), thalamus (Thal), and amygdala (Amy).
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