Déjà vu | Dr. Anne Cleary | TEDxCSU

TEDx Talks11 minutes read

Two-thirds of people have experienced deja vu, which is the feeling of familiarity in a new situation, often accompanied by a sense of knowing what will happen next. The speaker conducted research to understand the scientific basis of deja vu, experimenting with virtual reality to explore the connection between memory and the phenomenon.

Insights

  • Déjà vu is a common phenomenon experienced by approximately two-thirds of individuals, characterized by a feeling of familiarity in a new situation.
  • Research suggests that spatial similarity between current and past experiences, along with forgotten memories, may play a significant role in triggering déjà vu episodes, highlighting the intricate connection between memory and this peculiar phenomenon.

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Recent questions

  • What is déjà vu?

    Feeling of experiencing a new situation as familiar.

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Summary

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Understanding the Phenomenon of Déjà Vu

  • Survey research indicates that about two-thirds of people have experienced déjà vu at some point in their lives.
  • Déjà vu is defined as feeling like you've been in a current situation before, even though it's new.
  • People often report a sense of knowing what will happen next when experiencing déjà vu.
  • The speaker aims to scientifically understand why déjà vu occurs and its underlying basis.
  • Various proposed causes of déjà vu include spontaneous brain activity and unrecollected memories.
  • The speaker experimented with the unrecollected memory hypothesis of déjà vu using virtual reality.
  • Participants in the experiment reported higher instances of déjà vu when scenes spatially resembled earlier experiences.
  • Participants were more likely to experience déjà vu when they forgot being in the exact same scene earlier, suggesting a link between memory and déjà vu.
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