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. Author manuscript; available in PMC: 2014 Nov 23.
Published in final edited form as: J Psychopharmacol. 2013 Jan 23;27(3):256–264. doi: 10.1177/0269881112472564

Figure 1.

Figure 1

Left panels: AMPH-related ratings of Euphoria and Arousal as a function of dose and trait impulsivity (i.e. Control). Right panel (top): AMPH-related ratings of Euphoria as a function of dose and trait reward sensitivity (i.e. Social Potency). Right panel (bottom): AMPH-related ratings of Arousal as a function of dose and trait physical fearlessness (i.e. Harm Avoidance). Error bars represent one SEM. An * indicates low trait personality scores (Low MPQ) significantly different from high trait scores (High MPQ: p<0.05).

Note: Separate high- and Low-scoring MPQ groups were formed for each personality trait (n=95 for each group).