Memory architectures and persistent state
Working memory, episodes, semantic knowledge, and persistent state have different write, retrieval, and expiry lifecycles.
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Video summary
The ideas to retain
Working state: what execution needs now
Let \(Wt\) denote the working set used for one concrete decision. It may contain:
Episodic memory: events situated in time
Episodic memory represents something that happened. A useful episode usually retains at least:
Semantic memory: consolidated knowledge, not copied history
Semantic memory represents knowledge we want to reuse without replaying every episode that produced it.
Key moments
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