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Why Eyewitness Memory Gets It Wrong

by turhan-ergene

Memory doesn't play back like a recording — it's rebuilt from fragments every time you recall it, and that rebuilding can bring in details that were never there. Six questions on why confident eyewitnesses can still be wrong, for anyone curious about how memory actually works.

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Memory isn't played back like a video recording. Each time you recall an event, your brain rebuilds it from fragments, and that rebuilding can pull in details from later conversations, suggestive questions, or things you've seen since the event happened. This is called reconstructive memory, and it's the main reason a confident eyewitness can still be completely wrong about what they saw.

A witness later remembers seeing a red car at the scene, even though no car was there at all — the detail came from a news report they saw afterward. What does this show?

multiple choice

AThe witness is deliberately lying to seem more helpful to investigators
BTheir memory was rebuilt using information that arrived after the event
CThe witness has an unusually rare memory disorder
DThe event must not have happened the way everyone else remembers it
Think about when the detail entered the witness's memory, not just whether it's true.
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