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Retrospective


Retrospective (from Latin retrospectare, "look back") generally means to take a look back at events that already have taken place. As a noun, retrospective has specific meanings in medicine, software development, popular culture and the arts. It is applied as an adjective, synonymous with the term , to laws, standards, and awards.

A medical retrospective is an examination of a patient's medical history and lifestyle.

A retrospective exhibition presents works from an extended period of an artist's activity. Similarly, a retrospective compilation album is assembled from a recording artist's past material, usually their greatest hits. A television or newsstand special about an actor, politician, or other celebrity will present a retrospective of the subject's career highlights. A leading (usually elderly) academic may be honored with a Festschrift, an honorary book of articles or a lecture series relating topically to a retrospective of the honoree's career. Celebrity roasts good-naturedly mock the career of the guest of honor, often in a retrospective format.

A retrospective or retroactive award is one which is created and then awarded to persons who would have received it before. Alternatively, a slight change to the criteria of an existing award may result in retrospective awards being presented to persons who would have won the award under present rules. Comparatively few awards are presented retrospectively.

The term is used in situations where the law (statutory, civil, or regulatory) is changed or reinterpreted, affecting acts committed before the alteration. When such changes make a previously committed lawful act now unlawful in a retroactive manner, this is known as an ex post facto law or retroactive law. Because such laws punish the accused for acts that were not unlawful when committed, they are rare, and not permissible in most legal systems. More commonly, changes retroactively worsen the legal consequences (or status) of actions that were committed, or relationships that existed, by bringing it into a more severe category than it was in when it was committed; by changing the punishment or recompense prescribed, as by adding new penalties, extending sentences, or increasing fines and damages payable; or it may alter the rules of evidence in order to make exoneration more difficult than it would have been.


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