Introduction: There are few studies about the role of personality in predicting cancer-related clinical-psychological symptoms. Therefore, the aim of this study was to investigate the role of behavioral brain systems in predicting clinical psychological symptoms in cancer patients. Methods: The present research is descriptive-correlational. A sample of 100 patients with cancer was selected usin...

Background & Aims: The increased prevalence of Narcissistic personality and development of psychobiological approaches in recent decades has led to a shift in prevention and treatment of this disorder. So, current research is aimed at determining the role of temperament-character dimensions and brain-behavioral systems in predicting narcissistic personality characteristics. Material...

Background and purpose: Individuals treat the Internet phenomenon differently based on their personalities. Also, personality can predispose individuals for some psychological disorders. Some psychologists state that personality comes from nervous system functions, therefore, this study investigated the personality characteristics caused by brain-behavioral systems and gender on Internet addict...

Objective: Personality and emotional constructs play a central role in relapse to substance use. The aim of the present study was to evaluate the Relationship between behavioral brain systems in relapse to substance use with mediating role of emotion dysregulation. Method: Using a correlational design, 300 individuals using stimulants referring to the addiction treatment centers of Karaj were s...

Introduction: The aim of this study was to compare of brain/behavioral systems and emotional regulation difficulties in individuals with and without social anxiety disorder and their relationship with each other. Materials and Methods: Current study was a causal – comparative study that its statistical population was the bachelor and master Ardabil’s university students in 1394-95. The sample o...