Examines from an existential view the development of abstract thought in adolescents and the conflicts arising from its process. Proposes an existential model that views various types of adolescent behavior as the manifestation of the adolescent's defense mechanisms developed in response to existential conflict; presents specific examples of…

Depersonalization and the correct identification of the symptoms of depersonalization remain a source of controversy in psychiatry. For this study, 232 university students (75 percent women) answered questions on the Differential Personality Inventory. Five types of depersonalization experiences, based on earlier scales, were then used to cluster…