感知信心对离散表示的存在几乎有完美的访问权,但对精确性的访问权很弱
Marshall L Green1, Michael S Pratte2
1Mississippi State University, United States of America; Georgia Institute of Technology, United States of America.
Cognition
|October 25, 2025
概括
感知信心跟踪内部表示,但其与精度的联系基于离散和连续运动编码而不同. 这表明,在决策过程中,代表性准确性的准确性有限.
科学领域:
- 认知神经科学 认知神经科学
- 感知 感知 感知 感知
- 计算神经科学是一种神经科学.
背景情况:
- 感知自信,相信我们感知的准确性,对于决策至关重要.
- 连接内部感知表示与信任判断的确切机制仍在争论中.
- 关于内部代表性本身的持续辩论使得理解这种联系变得复杂.
研究的目的:
- 研究如何从内部表征中获得感知信心.
- 测试这种假设,即信心源于内部表征.
- 检查不同类型的内部代表对信任判断的影响.
主要方法:
- 参与者使用随机点刺激来判断全球运动方向,旨在引起离散或连续的内部表示.
- 实验1使用诱导离散的刺激,所有或没有细分.
- 实验2和3使用诱导连续局部运动聚合的刺激,刺激相互混合.
主要成果:
- 信心与离散表示的存在有很强的相关性,但与它们的精度无关 (实验1).
- 信心与连续表示的精度的相关性较弱,表明准确度的错误易发生的元知识 (实验2).
- 当离散和连续刺激混合时,这种解离会持续存在,这表明它不依赖于任务集 (实验3).
结论:
- 自信来自于内部的感知表现.
- 信心和表示精度之间的关系取决于表示是离散的还是连续的.
- 自信对内部感知表示的精度的访问是有限的.
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