A theory of personality tries to psychological knowledge of the individuality of people and to integrate the inner connection of personality traits to explain. This creates a framework for the psychological assessment and personality for the practical application of psychological principles .
Personality Theory
The most famous biopsychological theory of personality comes from Hans Jurgen Eysenck. He assumed that the expression of extraversion, a biological basis in the different cortical excitability and inhibition systems of the brain has. The expression of emotion is the degree of vegetative (autonomous) system of the autonomic instability related to its ...