Adolescence (Ages 12–20)

  • Calvin A. Colarusso
Part of the Critical Issues in Psychiatry book series (CIPS)


Adolescence begins with a well-defined, maturational event, puberty, and ends in a more nebulous manner. Chronologically the end of adolescence is usually defined by the attainment of age 20, but mastery of the psychological tasks of adolescence continues well into young adulthood. This phase of development is usually subdivided into four parts: preadolescence (ages 11–13), early adolescence (ages 13–15), middle adolescence (ages 15–17) and late adolescence (ages 17–19).


Early Adolescence Sexual Identity Late Adolescence Sexual Change Developmental Task 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • Calvin A. Colarusso
    • 1
  1. 1.School of MedicineUniversity of California at San DiegoLa JollaUSA

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