arXiv:2507.04575q-bio.NCcs.AI2025-07

用化学信号模拟大脑多区域协作,让大模型像发育一样成长。

Lilith: Developmental Modular LLMs with Chemical Signaling

  • 将大脑区域类比为模块化语言模型,通过令牌通信模拟神经递质
  • 采用发育式训练,让模型在模拟生命体验中自发形成认知能力
  • 聚焦意识涌现机制,适合研究意识与多区域协同的学者

当前人工智能范式依赖前馈网络模拟神经元级脑活动。我们推测,拓展至多脑区间化学信号层面,或可推动对意识涌现的理解。本文提出LILITH架构,结合模块化语言模型的发育训练与类脑令牌通信协议,模拟大脑中的化学信号传递。该框架将不同脑区建模为思维、记忆、感官和调节等专用LLM模块,通过涌现的令牌通信协议进行交互。与传统预训练系统不同,LILITH采用发育式训练:未训练的模型架构通过模拟生命经验,在环境互动与进化优化中逐步发展出通信路径与认知能力。该框架可直接运用整合信息论(IIT)指标,实证研究意识涌现,并揭示发育过程中的跨模块信号模式。其目标并非任务性能优化,而是探索多层级神经相关现象,对比单神经元处理与多区域协同动态。本文旨在提出这一构想,同时承认实现该系统的巨大挑战。

原文摘要 · Abstract (English)

Current paradigms in Artificial Intelligence rely on layers of feedforward networks which model brain activity at the neuronal level. We conjecture that expanding to the level of multiple brain regions with chemical signaling may be a productive step toward understanding the emergence of consciousness. We propose LILITH, a novel architecture that combines developmental training of modular language models with brain-inspired token-based communication protocols, mirroring chemical signaling in the brain. Our approach models distinct brain regions as specialized LLM modules including thinking, memory, sensory, and regulatory components that communicate through emergent token-based signaling protocols analogous to neurotransmitter networks. Unlike traditional pre-trained systems, LILITH would employ developmental training where untrained LLM architectures learn through simulated life experiences, developing communication pathways and cognitive abilities through environmental interaction and evolutionary optimization. This framework would enable direct empirical investigation of consciousness emergence using Integrated Information Theory metrics while providing unprecedented insight into inter-module signaling patterns during development. By optimizing for consciousness emergence rather than task performance, LILITH could provide insight into different emergent phenomena at multiple levels of neural correlates, contrasting neuronal-level processing with multi-region coordination dynamics. The goal of this paper is to put the idea forward while recognizing the substantial challenges in implementing such a system.

意识建模模块化模型发育学习脑启发

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