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Updated: Feb 10, 2026

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视觉信心准确地追踪不断增加的内部噪声与外围视觉异常度
bioRxiv : the preprint server for biology
|February 9, 2026
概括
人类可以在外围视觉中准确监测感官噪音. 这项研究表明,感知信心可靠地跟踪内部噪音,改善决策.
科学领域:
- 认知神经科学 认知神经科学
- 心理学 心理学 心理学
- 计算神经科学是一种神经科学.
背景情况:
- 感官表示是杂的,影响决策.
- 感知信心,评估决策质量至关重要,但其在跟踪内部噪音方面的准确性仍在争论中.
- 周围视觉为研究这一点提供了一个独特的环境,但之前的研究产生了不一致的结果.
研究的目的:
- 调查感知自信是否准确地反映了内部感官噪声,特别是在外围视觉中.
- 为了测试贝叶斯的信心假设,提出信心来源于感知估计的后方概率分布.
- 通过采用规范贝叶斯框架和激励信心测量来解决先前研究中的差异.
主要方法:
- 利用规范贝叶斯框架来建模感知信心.
- 进行了两项感知任务 (空间定位,方向估计) 具有不同的刺激异常度.
- 使用决策后注测量信心,参与者根据准确性和范围宽度为奖励估计设置了一个范围.
- 估计的感觉噪声,假设它与异心率线性增加,以预测信心.
主要成果:
- 贝叶斯的理想观察者模型在两个任务中提供了对信心的最佳预测.
- 人类的信心判断准确地反映了随着更大的刺激异常度观察到的感官噪声增加.
- 激励的信心测量与规范预测保持一致.
结论:
- 人类拥有精确监测内部噪音的超认知能力,即使在外围视觉中也是如此.
- 感知信心是感官证据质量的可靠指标.
- 研究结果支持贝叶斯的信心假设,并建议在决策中最好地使用感官信息.
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