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Astrocytes are the superstars of long-term memory: multi-day trace stabilizers

https://www.nature.com/articles/s41586-025-09619-2

5•marshfram•2h ago

Comments

westurner•1h ago

IMHO the cortex is the superstar of long-term memory because of spontaneous recovery of LTM due to redundant storage in the cortex

marshfram•1h ago

You've got to settle the memory in during this days long process first, and that's being revised through sharp wave ripples.

westurner•1h ago

ScholarlyArticle: "The astrocytic ensemble acts as a multiday trace to stabilize memory" (2025) https://www.nature.com/articles/s41586-025-09619-2

Does this multi-day interval correspond to any of the intervals estimated in studies of neural representation drift?

From yesterday regarding carbon microtubules, quantum cognition, and representation drift: https://news.ycombinator.com/item?id=45620897

How do astrocytes affect representation drift?

marshfram•1h ago

The drift is probably oscillatory in nature. It's process affecting material. Astrocytes and nanotubules don't directly affect the drift, they are affected by it simply as the memory is shifted by a material/process interaction.

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