Priors for natural image statistics inform confidence in perceptual decisions

IF 2.1 3区 心理学 Q2 PSYCHOLOGY, EXPERIMENTAL Consciousness and Cognition Pub Date : 2025-02-01 DOI:10.1016/j.concog.2025.103818
Rebecca K. West , Emily J. A-Izzeddin , David K. Sewell , William J. Harrison
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Abstract

Decision confidence plays a critical role in humans’ ability to make adaptive decisions in a noisy perceptual world. Despite its importance, there is currently little consensus about the computations underlying confidence judgements in perceptual decisions. To better understand these mechanisms, we addressed the extent to which confidence is informed by a naturalistic prior distribution. Contrary to previous research, we did not require participants to internalise parameters of an arbitrary prior distribution. We instead used a novel psychophysical paradigm leveraging probability distributions of low-level image features in natural scenes, which are well-known to influence perception. Participants reported the subjective upright of naturalistic image patches, targets, and then reported their confidence in their orientation responses. We used computational modelling to relate the statistics of the low-level features in the targets to the average distribution of these features across many naturalistic images, a prior. Our results showed that participants’ perceptual and importantly, their confidence judgments aligned with an internalised prior for image statistics. Overall, our study highlights the importance of naturalistic task designs that capitalise on existing, long-term priors to further understand the computational basis of confidence.
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来源期刊
Consciousness and Cognition
Consciousness and Cognition PSYCHOLOGY, EXPERIMENTAL-
CiteScore
4.30
自引率
8.30%
发文量
123
期刊介绍: Consciousness and Cognition: An International Journal provides a forum for a natural-science approach to the issues of consciousness, voluntary control, and self. The journal features empirical research (in the form of regular articles and short reports) and theoretical articles. Integrative theoretical and critical literature reviews, and tutorial reviews are also published. The journal aims to be both scientifically rigorous and open to novel contributions.
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