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. Author manuscript; available in PMC: 2013 Jul 16.
Published in final edited form as: J Clin Psychopharmacol. 2011 Aug;31(4):470–480. doi: 10.1097/JCP.0b013e318221b2db

Figure 1.

Figure 1

Percent drug-appropriate appropriate responding maintained by methamphetamine alone, aripiprazole alone, methamphetamine-aripiprazole combinations, and placebo. Data are expressed as area-under-the-time-action curve (AUC). X-axes: methamphetamine dose. Data points above PL represent values when the doses of aripiprazole were administered in combination with 0 mg methamphetamine. Data points above 2.5, 5, 10 and 15 represent the effects of the methamphetamine dose administered in combination with 0 mg (circles) or 20 mg (triangles) aripiprazole. Data points show means of six participants. Filled symbols indicate those values that are significantly different from the placebo-placebo condition (i.e., circle above PL). An asterisk indicates a significant difference between the 0 and 20 mg aripiprazole conditions at the indicated methamphetamine dose.