Background and Objective: Research evidence show that specific parenting styles are as risk factors in evolution of maladaptive perfectionism in students. On the other hand, perfectionism is affected by biological motivational personality systems. This study investigated the role of behavioral-brain systems and perceived parenting styles in Students’ perfectionism. Materials and Methods: The...

Biological aspects of personality have an important influence on people psychological dimensions. People affective and mood states can be changed based on cycle of Hostelry. The aim of the present study was to investigate negative/positive affect levels and reinforcement sensitivity based on the change in the circadian cycle morningness and eveningness. First, 600 students (316 girls, 284 boys)...

Objective: This study was aimed to compare the behavioral activation/inhibition system and temperament and character between addicted and non-addicted people. Method: A descriptive research design along with a causal-comparative method was used for the conduct of this research. The research population consisted of all dependent and non-dependent men living in Kish Island, among whom 200 individ...

Abstract objectives: The purpose of this study was to determine The Effectiveness of Group Training on Complications of drug abuse on Behavioral Activation and Inhibition of Systems and Substance Abuse Attitude among high-risk male adolescents. Method: The research method was quasi-experimental and the Statistical Society consisted of 3062 Secondary high school male students of Meshkin Shahr c...

introduction: Depression is one of the most common psychological disorders that comorbids with substance use disorders. depression is not only the factor that predisposes persons to abuse substanses but also the factor resulting in relapse. The aim of this study was to determine effectiveness of group behavioral activation treatment in reducing depressive symptoms and effects of this treatment ...