AI Agents

BMAM: Brain-inspired Multi-Agent Memory Framework

YYang LiJJiaxiang LiuYYusong WangYYujie WuMMingkun Xu
Published
January 28, 2026
Authors
5
Word Count
8,424

Brain-inspired AI memory framework combats 'soul erosion'.

Abstract

Language-model-based agents operating over extended interaction horizons face persistent challenges in preserving temporally grounded information and maintaining behavioral consistency across sessions, a failure mode we term soul erosion. We present BMAM (Brain-inspired Multi-Agent Memory), a general-purpose memory architecture that models agent memory as a set of functionally specialized subsystems rather than a single unstructured store. Inspired by cognitive memory systems, BMAM decomposes memory into episodic, semantic, salience-aware, and control-oriented components that operate at complementary time scales. To support long-horizon reasoning, BMAM organizes episodic memories along explicit timelines and retrieves evidence by fusing multiple complementary signals. Experiments on the LoCoMo benchmark show that BMAM achieves 78.45 percent accuracy under the standard long-horizon evaluation setting, and ablation analyses confirm that the hippocampus-inspired episodic memory subsystem plays a critical role in temporal reasoning.

Key Takeaways

  • 1

    BMAM organizes AI memory like a human brain.

  • 2

    Timeline-indexed episodic memory enhances temporal reasoning.

  • 3

    Hybrid retrieval mechanism improves relevant information access.

Limitations

  • Evaluation focused on specific benchmarks, not all domains.

  • Assumes certain memory organization, may not fit all scenarios.

Keywords

language-model-based agentsextended interaction horizonstemporally grounded informationbehavioral consistencysoul erosionBrain-inspired Multi-Agent Memorymemory architectureepisodic memorysemantic memorysalience-aware memorycontrol-oriented memorylong-horizon reasoningLoCoMo benchmarkhippocampus-inspired episodic memory

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