As in film, a flashback in literature is a technique which takes the narrative back in time from the point the story has reached, to recount events that happened before and give the "back-story." It was used extensively by author Ford Madox Ford.

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A flashback can also occur in the mind, either voluntarily remembering a past experience, or involuntarily due to a disorder such as posttraumatic stress disorder (PTSD), or a hallucinogen such as LSD. Flashbacks are often reported years after a subject was exposed to the drug or trauma.

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Flashback is also the name of a (highly) controversial Swedish media group (flashback.se, flashback.net, flashback.org) run by Jan Axelsson .

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Flashback: The Quest for Identity is a computer game.