Superimposing three representative anatomical structures on the co‐registered rat brain template. The selected anatomical structures are extracted from the rat brain atlas and presented with varying transparency and color scaled. The co‐registered rat brain template is presented in gray‐scale as a background. The three selected anatomical structures are, respectively, (A) hippocampus, (B) corpus striatum, and (C) ventricle. [Color figure can be viewed in the online issue, which is available at wileyonlinelibrary.com.]