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. Author manuscript; available in PMC: 2010 Mar 1.
Published in final edited form as: Neurosci Biobehav Rev. 2008 Dec 25;33(3):475–491. doi: 10.1016/j.neubiorev.2008.12.003

Figure 2.

Figure 2

Effects of trait anger-out on opioid blockade effects derived from acute finger pressure (FP) and forearm ischemic task (ISC) visual analog scale (VAS) pain intensity ratings. Blockade effects (y-axis) represent naloxone condition pain ratings minus placebo condition pain ratings. Larger positive blockade effects indicate greater opioid analgesia. Raw VAS ratings used to derive blockade effects potentially ranged from 0−100mm.