arXiv:2507.03876cs.AI2025-07被引 7

大语言模型能模拟人类推导逻辑规则的过程,或为认知科学提供新范式。

LLMs model how humans induce logically structured rules

  • 用逻辑概念任务测试大语言模型,对比其与人类行为匹配度。
  • 模型表现不逊于经典贝叶斯语言理论模型,且预测更异于传统假设。
  • 适合关注认知机制、神经网络建模的学者参考。

认知科学的核心目标是为心智结构及其发展提供可计算的明确解释:认知的基本表征单元是什么?这些单元如何组合?它们从何而来?长期以来,人工神经网络能否作为解释抽象认知功能(如语言和逻辑)的计算模型存在争议。本文认为,大语言模型(LLMs)的出现标志着这一争论的重要转折。我们在一个既有的实验范式中测试多种LLMs,该范式用于研究人类对逻辑概念规则的归纳能力。在四项实验中,我们发现LLMs对人类行为的拟合程度至少与最先进的贝叶斯概率思维语言(pLoT)模型相当。此外,LLMs对规则本质的预测具有定性差异,表明其并非简单复现pLoT方案。基于此,我们认为LLMs可能代表一种解释人类逻辑概念所需原始表征与计算的新理论,值得未来认知科学研究深入探讨。

原文摘要 · Abstract (English)

A central goal of cognitive science is to provide a computationally explicit account of both the structure of the mind and its development: what are the primitive representational building blocks of cognition, what are the rules via which those primitives combine, and where do these primitives and rules come from in the first place? A long-standing debate concerns the adequacy of artificial neural networks as computational models that can answer these questions, in particular in domains related to abstract cognitive function, such as language and logic. This paper argues that recent advances in neural networks -- specifically, the advent of large language models (LLMs) -- represent an important shift in this debate. We test a variety of LLMs on an existing experimental paradigm used for studying the induction of rules formulated over logical concepts. Across four experiments, we find converging empirical evidence that LLMs provide at least as good a fit to human behavior as models that implement a Bayesian probablistic language of thought (pLoT), which have been the best computational models of human behavior on the same task. Moreover, we show that the LLMs make qualitatively different predictions about the nature of the rules that are inferred and deployed in order to complete the task, indicating that the LLM is unlikely to be a mere implementation of the pLoT solution. Based on these results, we argue that LLMs may instantiate a novel theoretical account of the primitive representations and computations necessary to explain human logical concepts, with which future work in cognitive science should engage.

认知科学大模型逻辑推理

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