Journal
COGNITION
Volume 217, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cognition.2021.104903
Keywords
Probability; Representation; Perception; Cognitive science; Vision; Bayesian
Categories
Funding
- IRF from the Icelandic Research Fund [173947-052]
- Radboud Excellence Fellowship
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Recent research discusses the assumption that the brain represents information probabilistically in perception and cognition, particularly providing evidence for probabilistic representations through the Feature Distribution Learning method.
Recent accounts of perception and cognition propose that the brain represents information probabilistically. While this assumption is common, empirical support for such probabilistic representations in perception has recently been criticized. Here, we evaluate these criticisms and present an account based on a recently developed psychophysical methodology, Feature Distribution Learning (FDL), which provides promising evidence for probabilistic representations by avoiding these criticisms. The method uses priming and role-reversal effects in visual search. Observers' search times reveal the structure of perceptual representations, in which the probability distribution of distractor features is encoded. We explain how FDL results provide evidence for a stronger notion of representation that relies on structural correspondence between stimulus uncertainty and perceptual representations, rather than a mere co-variation between the two. Moreover, such an account allows us to demonstrate what kind of empirical evidence is needed to support probabilistic representations as posited in current probabilistic Bayesian theories of perception.
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