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Dev.to
Dev.to
7/19/2026
The original title is: "ZenBrain's HiMeS: A 7-layer memory architecture with consolidation and active forgetting"

The original title is: "ZenBrain's HiMeS: A 7-layer memory architecture with consolidation and active forgetting"

Original: 7-Layer Memory Architecture: How ZenBrain Remembers Like a Human Brain

Short summary

ZenBrain's HiMeS architecture implements a seven-layer memory system inspired by human cognition: working, short-term, episodic, semantic, procedural, prospective, and long-term memory. Unlike flat vector stores, it includes temporal decay, active forgetting via Ebbinghaus curves, and sleep-time consolidation using Hebbian learning to strengthen important memories and prune weak ones. The open-source system (Apache 2.0) uses FSRS spaced repetition for long-term retention.

  • Seven-layer memory architecture mirrors human brain: working, short-term, episodic, semantic, procedural, prospective, long-term
  • Sleep-time consolidation replays and re-evaluates memories, strengthening important ones and pruning weak connections
  • Uses FSRS spaced repetition algorithm for long-term retention; open source under Apache 2.0

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