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. Author manuscript; available in PMC: 2012 Jan 13.
Published in final edited form as: Neuroscience. 2010 Oct 27;172:460–473. doi: 10.1016/j.neuroscience.2010.10.055

Figure 8.

Figure 8

Effects of multiple test sessions on response thresholds. Response thresholds from the beginning (First Injection) and the end (Last Injection) of the testing sequence were compared following administration of (A) saline (sal), (B) 5 µg/side morphine (mrp), and (C) 2 µg/side carbachol (crb) into the rostral anterior cingulate cortex (rACC) and parafascicular nucleus (PF). Data are plotted as the mean (+/− S.E.M.) threshold of spinal motor reflexes (SMRs), vocalizations during shock (VDSs), and vocalization afterdischarges (VADs).