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People struggle to differentiate between real and claimed fake memories by others

A wooden portrait of a person’s head, with a missing puzzle piece.
A wooden portrait of a person’s head, with a missing puzzle piece. Image: vetre (Shutterstock)

False memories aren’t just convincing to people who have them, but to outside observers who hear them.

The authors of a 2020 study recorded people who recounted real and false childhood memories that were successfully implanted earlier, such as getting bit by a dog. They then showed these recordings to a second group to people and asked them to guess whether the memory was true or not. The observers were slightly better at guessing a real memory (about 60%), but were no better than chance at telling apart a fake recollection.