Your memory can be altered by interfering information

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You can manipulate an existing memory simply by suggesting new or different information, Iowa State University researchers have shown.

The key is timing and recall of that memory, said Jason Chan, an assistant professor of psychology at Iowa State. “If you reactivate a memory by retrieving it, that memory becomes susceptible to changes again. And if at that time, you give people new contradictory information, that can make the original memory much harder to retrieve later,” Chan said.

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Story added 7. June 2013, content source with full text you can find at link above.