FIGURE 2.

Subjective ratings of pain intensity to electrical stimulations. Subjective ratings of pain intensity elicited by electrical stimulations (ranging from 300 to 2,500 μA, in steps of 100 μA) were compared between HPS (orange) and LPS (blue) groups. Data are expressed as mean ± SEM. In contrast to the LPS group, participants in the HPS group reported greater ratings of pain intensity in response to identical suprathreshold electrical stimulations (>700 μA). **p _fdr < .01; ***: p _fdr < .001