Objective: Psychopathy and antisocial personality disorder (ASPD) are two constructs not interchangeable. Compared to the ASPD, psychopathy is characterized by lack of anxiety, low withdrawal, and high levels of attention seeking. Method: The sample of this study included 76 subjects with a substance use disorder. Subjects were aged between 18 and 59 years old (M = 32.87, SD = 9.36). With respect to level of education 3 subjects are elementary school graduates, 49 have a middle school diploma, 21 own a high school diploma, and 3 participants have a bachelor's degree. We administered the following measures: a) Psychopathic Personality Inventory-Revised (PPI-R); b) Psychological Treatment Inventory (PTI); c) 20-Item-Toronto Alexithymia Scale (TAS-20); d) Barratt Impulsiveness Scale (BIS). Results: Most of the significant correlations between the Psychopathic Index (PPI-R total score), and the measures administered are listed below: PPI-R total score and Deviance (r = .482, p < .001), PPI-R total score and Hypomania (r = .369, p < .001), PPI-R total score and Unresolved attachment (r = .293, p < .001), PPI-R total score and Manipulativeness (r = .550, p < .001), PPI-R total score and the TAS-20 total score (r = .230; p < .001), PPI-R total score and Difficulty in Identifying Feelings (DIP) factor (r = .250, p < .001), PPI-R total score and Attentional Impulsiveness (r = .409, p < .001); PPI-R total score and Motor Impulsiveness (r = .526, p < .001). Results of MANOVAs between the two groups also revealed significant differences on several variables analyzed. Conclusions: Our study showed that addicted subjects with psychopathic tendencies are more likely to experience negative emotions and have a peculiar cognitive style with respect to antisocial addicts. These results partially confirm those ones of previous studies underlining that psychopathic population is generally characterized for a major need for stimulation, poor behavioral controls, lack of realistic long-term goals, impulsivity, irresponsibility. (C) 2014 Elsevier Inc. All rights reserved.
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