Eysenck's Personality Paper

291 Words2 Pages
Eysenck initially identified two key personality dimensions, which he believed motivated human behavior and underlay the many varying facets of personality. One dimension (or continuum), governed impulsivity, and determined how many risks an individual would take and the degree of stimulation they would seek out. This he labeled Introversion-Extroversion, from Jung’s terms for individuals who focused on the internal world (introverts) and those who were most interested in things and people outside of themselves (extroverts) (Boeree, 1997). Eysenck attributed the variation on this scale exhibited by different people to the sensitivity of their Reticular Activating System, a neurological system that regulates cortical activity. Introverted individuals,