arXiv:2508.15013cs.AIq-bio.NC2025-08被引 1

提出目标驱动的感知表征框架,解释智能体如何从经验中自动生成目的与认知模型。

Goals and the Structure of Experience

  • 以目标为起点,通过经验交互让描述性与规范性认知同时涌现
  • 用行为策略与理想经验特征的统计差异定义目标状态
  • 融合哲学与神经科学,适用于人和机器的有目的行为研究

有目的的行为是自然与人工智能的标志。传统观点认为其依赖世界模型,包含描述性(现状)与规范性(理想)两部分。强化学习等方法将状态表示(描述)与奖励函数(规范)作为独立组件。但本文提出一种新范式:这两部分可从智能体的目标中协同生成。我们构建了基于目标导向经验的计算框架,其中描述性与规范性认知由智能体-环境互动序列共同演化。借鉴佛教认识论,引入“目的性状态”概念,即具有等效目标的经验分布类。该框架通过行为策略与理想经验特征间的统计偏差来刻画目标,支持跨物种、跨模态的目的行为统一解释,涵盖行为、主观体验与神经机制。

原文摘要 · Abstract (English)

Purposeful behavior is a hallmark of natural and artificial intelligence. Its acquisition is often believed to rely on world models, comprising both descriptive (what is) and prescriptive (what is desirable) aspects that identify and evaluate state of affairs in the world, respectively. Canonical computational accounts of purposeful behavior, such as reinforcement learning, posit distinct components of a world model comprising a state representation (descriptive aspect) and a reward function (prescriptive aspect). However, an alternative possibility, which has not yet been computationally formulated, is that these two aspects instead co-emerge interdependently from an agent's goal. Here, we describe a computational framework of goal-directed state representation in cognitive agents, in which the descriptive and prescriptive aspects of a world model co-emerge from agent-environment interaction sequences, or experiences. Drawing on Buddhist epistemology, we introduce a construct of goal-directed, or telic, states, defined as classes of goal-equivalent experience distributions. Telic states provide a parsimonious account of goal-directed learning in terms of the statistical divergence between behavioral policies and desirable experience features. We review empirical and theoretical literature supporting this novel perspective and discuss its potential to provide a unified account of behavioral, phenomenological and neural dimensions of purposeful behaviors across diverse substrates.

目标学习认知建模强化学习意识机制

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