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. Author manuscript; available in PMC: 2011 Nov 10.
Published in final edited form as: Health Psychol. 2010 Mar;29(2):134–142. doi: 10.1037/a0018647

Figure 2. OPRM1 × pain interaction.

Figure 2

Slopes reflect positive affective reactivity to high and low pain days for patients who are either carriers or not carriers of the asp allele. X-axis parameters were generated by dichotomizing centered pain scores into the top and bottom third of responses across participants.