Figure 1. Unilateral cortical and thalamic lesions.

Photomicrographs of thionin-stained coronal sections showing representative OFC (A), MD (B) and Sub (C) lesions. A dotted line highlights thalamic lesions. The extent of each lesion for the included rats is shown on the right (D–F) with the largest lesion shown in gray and the smallest in black (from top to bottom: OFC, MD and Sub). Numbers indicate approximate location relative to bregma (in mm).