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Narcissism is the pursuit of gratification from vanity or egotistic admiration of one's own attributes. The term originated from the Greek mythology, where the young Narcissus fell in love with his own image reflected in a pool of water.
Narcissism is a concept in psychoanalytic theory, which was introduced in Sigmund Freud's On Narcissism. The American Psychiatric Association has the classification narcissistic personality disorder in its Diagnostic and Statistical Manual of Mental Disorders (DSM).
Narcissism is also considered a social or cultural problem. It is a factor in trait theory used in some self-report inventories of personality such as the Millon Clinical Multiaxial Inventory. It is one of the three dark triadic personality traits (the others being psychopathy and Machiavellianism).
Except in the sense of primary narcissism or healthy self-love, narcissism is usually considered a problem in a person's or group's relationships with self and others. Narcissism is not the same as egocentrism.
