Astrocytes are more involved in cognition than researchers realized, at least when it comes to fear memory retrieval and extinction. Experiments in mice show that astrocytes dynamically track emotional state and help organize the neural activity patterns that represent fear.

2026年3月4日 · 吴鹏 · 来源：tutorial快讯

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Looking at the left side of the diagram, we see stuff enters at the bottom (‘input’ text that has been ‘chunked’ into small bits of text, somewhere between whole words down to individual letters), and then it flows upwards though the model’s Transformer Blocks (here marked as [1, …, L]), and finally, the model spits out the next text ‘chunk’ (which is then itself used in the next round of inferencing). What’s actually happening here during these Transformer blocks is quite the mystery. Figuring it out is actually an entire field of AI, “mechanistic interpretability*”.

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22:41, 8 марта 2026Россия