Lesion placements. Shaded areas represent the greatest (gray) and least (black) extent of electrolytic lesions; numbers reflect distance from bregma (in millimeters). Lesions A–C occurred before 5 d of signaled AA training, lesion D occurred before 2 d of signaled AA, followed by a 15 CS test for c-Fos. A, ilPFC lesions. B, plPFC lesions. C, CeA lesions. D, ilPFC lesions.