Perfect Recall (other)
Perfect recall may refer to: * Eidetic memory, the ability of perfect memorization * Perfect recall, a concept from game theory used to found subgame perfect equilibrium * Wogan's Perfect Recall, a TV show See also * Total recall (other) Total Recall may refer to: * Eidetic memory Total Recall franchise * ''Total Recall'' (1990 film), a film starring Arnold Schwarzenegger and Sharon Stone ** ''Total Recall'', a 1989 novelization by Piers Anthony ** ''Total Recall'' (video g ...

Eidetic Memory
Eidetic memory ( ; more commonly called photographic memory or total recall) is the ability to recall an image from memory with high precision—at least for a brief period of time—after seeing it only onceThe terms ''eidetic memory'' and ''photographic memory'' are often used interchangeably: * * * * * and without using a mnemonic device.Eidetic image , psychology
''Encyclopædia Britannica'' online Although the terms ''eidetic memory'' and ''photographic memory'' are popularly used interchangeably, they are also distinguished, with ''eidetic memory'' referring to the ability to see an object for a few minutes after it is no longer present and ''photographic memory'' referring to the ability to recall pages of text ...
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Subgame Perfect Equilibrium
In game theory, a subgame perfect equilibrium (or subgame perfect Nash equilibrium) is a refinement of a Nash equilibrium used in dynamic games. A strategy profile is a subgame perfect equilibrium if it represents a Nash equilibrium of every subgame of the original game. Informally, this means that at any point in the game, the players' behavior from that point onward should represent a Nash equilibrium of the continuation game (i.e. of the subgame), no matter what happened before. Every finite extensive game with perfect recall has a subgame perfect equilibrium. Perfect recall is a term introduced by Harold W. Kuhn in 1953 and ''"equivalent to the assertion that each player is allowed by the rules of the game to remember everything he knew at previous moves and all of his choices at those moves"''. A common method for determining subgame perfect equilibria in the case of a finite game is backward induction. Here one first considers the last actions of the game and determ ...
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Wogan's Perfect Recall
''Wogan's Perfect Recall'' is a game show presented by Sir Terry Wogan. It was broadcast on Channel 4 Channel 4 is a British free-to-air public broadcast television network operated by the state-owned enterprise, state-owned Channel Four Television Corporation. It began its transmission on 2 November 1982 and was established to provide a four ... and ran from 25 August 2008 to 19 November 2010. Format Four contestants compete in each episode for a chance to win up to £100,000. The scores are reset to zero at the beginning of each round. Round 1 Twenty questions are asked on the buzzer, all worth one point each. If a contestant misses, any of the other three may buzz in and respond; however, if a second contestant also misses, the host reveals the correct answer. The lowest scorer at the end of this round is eliminated from the game. Each correct answer is added to a video wall above the contestants' heads, placed so that they cannot see it. These answers are used for all ...
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