Thursday, February 10, 2011
Paul Federn (1871 - 1950) was an Austrian-American psychologist who was a native of Vienna. Federn is largely remembered for his theories involving ego psychology and therapeutic treatment of psychosis.
In his works he elucidated upon the concepts of "ego states", "ego limits", "ego cathexis" and the median nature of narcissism.
 Cathexis is defined as the process of investment of mental or emotional energy in a person, object, or idea
 Narcissism is the personality trait of egotism, vanity, conceit, or simple selfishness.