Abstract
Introduction: Patients with borderline personality disorder (BPD) suffer from a higher degree of impulsive and hostile behavior, compared with other psychiatric disorders. On the other hand, the impulsive behavior in these patients is different from the patients with type II bipolar disorder (BMD II). This study aimed to investigate the differences between patients with BPD and patients with bipolar disorder in the aggressiveness and impulsivity scales. Methods: A descriptive-analytical study through a convenience sampling method was conducted on 117 patients with BPD (30 patients) and BMD II (87 patients) who completed the Buss and Perry’s Aggression Questionnaire as well as the Barratt Impulsiveness Scale. The obtained data was analyzed in SPSS using Student’s t-test, and its results were considered significant at P < 0.05 level. Results: The two groups were significantly different in terms of attention and cognitive complexity of Barratt Impulsiveness Scales, hostility, physical aggression, as well as in the total score of Buss and Perry’s aggression and hostility questionnaire, in which the scores in patients with BMD in the above-mentioned scales were higher, compared with the BPD and finally, the marital status variable was significantly correlated with age, physical aggression, anger, anxiety, cognitive complexity, and perseverance.Conclusion: The patients with BMD II experienced a higher degree of excitement in terms of hostility, violence and impulsivity measures; it is also different from the patients with borderline disorder in terms of type of aggressiveness.
Highlights
Patients with borderline personality disorder (BPD) suffer from a higher degree of impulsive and hostile behavior, compared with other psychiatric disorders
The inclusion criteria were as follows: the diagnosis of BPD and BMD II, having a middle school education at minimum to answer the questions in the questionnaires, age of at least 18; the exclusion criteria were as follows: the concurrent diagnosis of BPD and BMD II, the risk of abuse or dependence diagnosis, the presence of psychotic symptoms, severe head trauma, mental retardation or some other cognitive impairments which lead to difficulty in understanding the test materials, and unwillingness to continue the study for any reason
Table. 2 shows that the two groups were different in the measures of physical aggression, hostility, aggressiveness, and attention scale of the impulsive behaviors and results were statistically significant
Summary
Patients with borderline personality disorder (BPD) suffer from a higher degree of impulsive and hostile behavior, compared with other psychiatric disorders. This study aimed to investigate the differences between patients with BPD and patients with bipolar disorder in the aggressiveness and impulsivity scales. Results: The two groups were significantly different in terms of attention and cognitive complexity of Barratt Impulsiveness Scales, hostility, and physical aggression. They significantly differed in terms of the total score of Buss and Perry’s Aggression and Hostility Questionnaire. Conclusion: The patients with BMD II experienced a higher degree of excitement in terms of hostility, violence and impulsivity measures; it is different from the patients with borderline disorder in terms of type of aggressiveness. The 12-month prevalence rate in the United States is estimated to be 0.6% for BMD I, as defined in Shafiee-Kandjani, et al
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