Fig. 1: Gq-DREADD expression in the anterior insula verified by the extent of mCherry expression.

Panel a shows a representative coronal brain section with the corresponding anatomical rat brain atlas section34 overlaid. The viral vector injections were aimed at the bregma level +3.0. Panel b shows the T2-weighted coronal image of the same subject. Arrows point to bilateral stereotaxic virus injection sites.