Experts don't know exactly what causes the Mandela effect, or false memories shared by a group. It may happen when your mind blends events and images or tries to fill in gaps with prior knowledge.

The Mandela effect refers to the experience of a false memory that is shared by many people. In 2010, researcher Fiona Broome coined the term when she discovered that many people believed, as she did, ...

As a social psychologist, I study how our identities, relationships, and group affiliations shape the way we interpret information, especially misinformation. Whether it’s false headlines, viral ...