Investigating the Relationship between Behavioral Activation and Inhibition Systems (BIS/BAS) and Effortful Control (EC) with Clinical Symptoms and Personality Disorders in Patients with Substance Abuse Disorders

Substance abuse is considered one of the most important factors that threaten well-being and health, so it is important to identify the factors related to this disorder. This study aimed to investigate the relationship between behavioral activation and inhibition systems (BIS/BAS) and effortful control (EC) or clinical symptoms and personality disorders in patients with substance abuse disorders.

The descriptive research method was correlation type. The researched population was all the people suffering from substance abuse in 2022 who had visited Jask City addiction treatment centers in the first half of this year, 112 of them were selected using the cluster random sampling method. The measurement tools include the Drug Abuse Screening Test (DAST-20), Carver and White's BIS/BAS Scale (1994), short form of Adult Temperament Questionnaire (ATQ), Symptom Checklist 90-R (SCL-90-R), and Millon Clinical Multiaxial Inventory – Third Edition (MCMI-III). Finally, the collected data were analyzed using Pearson's correlation test and multiple regression under SPSS-23 software.

The research data analysis revealed a significant correlation between clinical symptoms and personality disorders. BIS/BAS and effortful control were predictive variables, and their role in predicting most clinical and personality variables was meaningful.

In general, the results of this research showed that there is a relationship BIS/BAS and EC with clinical symptoms and personality disorders in patients with substance abuse disorders.