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Lex Fridman Podcast #430 · May 25, 2024 · 3h 20m

Human Memory, Imagination, Deja Vu, and False Memories

UC Davis neuroscientist Charan Ranganath on how memory actually works — and why everything you think you know about it is wrong. Memories aren't recordings; they're reconstructions. Every recall changes the memory. And forgetting isn't failure — it's a feature.

This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.

Highlights

Memory is reconstructive, not reproductive — every recall changes the memory
Ranganath: memories are not recordings. Each time you recall an event, you reconstruct it from fragments, fill gaps with inference, and update it with current knowledge. The most frequently recalled memories are the most altered.

References

Why We RememberCharan Ranganath (2024)The neuroscience of human memory
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