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. 2012 Sep 11;7(9):e43261. doi: 10.1371/journal.pone.0043261

Figure 2. Results on the psychological questionnaires.

Figure 2

Upper panel: Patients reported lower scores of impulsivity when on stimulation. AI, attentional impulsivity; MI, motor impulsivity; NPI, non-planning impulsivity. Middle panel: patients obtained higher scores of sensitivity to punishment than to reward independently of the condition of stimulation. SP, sensitivity to punishment; SR, sensitivity to reward. Lower panel: No differences emerged on the QDQ; DA, delay aversion; DD, delay discounting. Please note that unlike the previous two questionnaires, higher scores on the QDQ reflect a lower tendency to impulsivity.