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. Author manuscript; available in PMC: 2009 Jul 1.
Published in final edited form as: Behav Brain Res. 2008 Dec 13;199(2):298–306. doi: 10.1016/j.bbr.2008.12.006

Fig. 2.

Fig. 2

Placement of sampling regions within the reward system. Panels A and C contain sections subjected to tyrosine hydroxylase immunohistochemistry sliced in the sagittal plane. Panels B and D contain ZENK labeling. Panel B displays the location of the box for the nucleus accumbens (Ac; 190 µm × 305 µm), and panel D displays the ventral tegmental area (VTA; 210 µm × 368 µm). The more rostral portion of each photo is towards the right edge. Scale bar = 300 µm.