arXiv:2506.05790cs.CL2025-06EMNLP被引 2

探究大模型是否感知时间流逝并据此调整行为

Discrete Minds in a Continuous World: Do Language Models Know Time Passes?

  • 通过对话时长判断实验验证模型能将令牌数映射为真实时间
  • 模型在用户表达紧急时自动缩短回答,保持准确率
  • 适合研究大模型时间感知与交互设计的学者

尽管大语言模型(LLMs)在事件排序和持续时间估计等时间推理任务中表现优异,但其对实际时间流逝的感知能力仍未知。我们通过三项互补实验探究了这一问题:首先提出‘令牌-时间假说’,即模型可将离散令牌数映射至连续物理时间,并通过对话时长判断任务验证;其次展示模型能在用户表达紧迫感时自适应缩短回答长度,同时保持准确性;最后构建动态交互挑战BombRush,考察模型在逐步增加时间压力下的行为变化。结果表明,模型具备一定程度的时间感知能力,能实现离散语言令牌与连续物理时间的桥梁连接,该能力随模型规模与推理能力增强而提升。本工作为提升大模型在时序敏感场景中的时间意识提供了理论基础。

原文摘要 · Abstract (English)

While Large Language Models (LLMs) excel at temporal reasoning tasks like event ordering and duration estimation, their ability to perceive the actual passage of time remains unexplored. We investigate whether LLMs perceive the passage of time and adapt their decision-making accordingly through three complementary experiments. First, we introduce the Token-Time Hypothesis, positing that LLMs can map discrete token counts to continuous wall-clock time, and validate this through a dialogue duration judgment task. Second, we demonstrate that LLMs could use this awareness to adapt their response length while maintaining accuracy when users express urgency in question answering tasks. Finally, we develop BombRush, an interactive navigation challenge that examines how LLMs modify behavior under progressive time pressure in dynamic environments. Our findings indicate that LLMs possess certain awareness of time passage, enabling them to bridge discrete linguistic tokens and continuous physical time, though this capability varies with model size and reasoning abilities. This work establishes a theoretical foundation for enhancing temporal awareness in LLMs for time-sensitive applications.

时间感知大模型交互设计

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