Structural Relationships between brain- behavior systems and Cloninger Temperament and Character model with Tetrad dark sides of personality

It seems that one of the important factors affecting the dark dimensions of personality is brain-behavioral systems and dimensions of temperament and character, so the purpose of the present study is the relationship between brain-behavioral systems and temperament and character with dark dimensions of personality in students.

The design of this research was a correlation method in terms of applied purpose and in terms of controlling variables. The statistical population of the study was all male and female students of national, free and non-profit universities of Tabriz in the academic year 2021. From this population, 450 people were selected by cluster random sampling and studied. The questionnaire of dark personality traits, brain-behavioral systems and temperament was used to collect data. Data has been analyzed using Pearson correlation coefficient and structural equation methods.

The results showed that there is a positive and significant relationship between behavioral activation system and dark dimensions of personality. There is also a significant negative relationship between behavioral deterrence system and war and escape with the dark dimensions of personality. On the other hand, innovation, self-avoidance, reward of dependence and self-escape with the dark dimensions of personality have a positive relationship and there is a negative and significant relationship between perseverance, self-direction and cooperation with the dark dimensions of personality. On the other hand, the results of path analysis showed that the variables of behavioral activation system and behavioral inhibition play a mediating role between temperament and character with dark personality traits.

The results of this research show that paying attention to the variables of behavioral brain systems and temperament and character play an important role in the dark dimensions of personality.