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...

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...

Objective: The aim of the present study was to investigate the differences in the scores relating to brain/behavioral systems in two groups of narcotic and stimulant substance abusers. Method: An Expos Facto research design was used in this study. The study sample consisted of 200 drug-dependent male participants who were selected from the addicts referring to authorized treatment centers and i...

Introduction: The present study aimed to investigate brain-behavioral systems, early maladaptive schemas and premenstrual syndrome as predictors of postpartum blues. Methods: The present study was a descriptive correlational research. Study population included all referred females who diagnosed as mothers with postpartum depression in health centers of Mashahd city during 2018. A total sample o...

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...

Abstract Introduction: Anabolic-androgenic steroids are one of the powerful drugs that cause long-term hormonal and psychological changes that can have a wide range of side effects for the athletes. Objective: The purpose of this study was to compare the Behavioral Activation-Inhibition Systems and Sense of Coherence in Bodybuilders with and without Use Anabolic-Androgenic Steroids. Material...

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)...