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What Causes Deja Vu?

Key Facts In This Video

  1. About two-thirds of the population have experienced déjà vu at least once. 00:25

  2. Déjà vu might be caused by a neuron spontaneously firing or a delay in a neuron's transmission. 01:11

  3. Some theorists hypothesize that déjà vu arises when the brain recognizes a few familiar elements in a new setting. 01:51