FIGURE 1.
UPPS P Negative Urgency–Effects of case status and irritability status. Box and whisker plots (median, interquartile range, and outliers as individual points). (A) Group differences between Huntington’s (HD) cases and control participants. (B) Group differences between irritable and non-irritable HD cases. UPPS P, Urgency (Negative), (lack) Premeditation, (lack) Perseverance, Sensation Seeking, Positive Urgency.