期刊
FRONTIERS IN HUMAN NEUROSCIENCE
卷 7, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fnhum.2013.00668
关键词
expectations; Bayesian priors; statistical learning; perceptual learning; probabilistic inference
资金
- Marie Curie Exchange [FP7-PEOPLE-2009, IRSES- 247543]
- NSF [BCS-1057625]
- Division Of Behavioral and Cognitive Sci
- Direct For Social, Behav & Economic Scie [1057625] Funding Source: National Science Foundation
Expectations are known to greatly affect our experience of the world. A growing theory in computational neuroscience is that perception can be successfully described using Bayesian inference models and that the brain is Bayes-optimal under some constraints. In this context, expectations are particularly interesting, because they can be viewed as prior beliefs in the statistical inference process. A number of questions remain unsolved, however, for example: How fast do priors change over time? Are there limits in the complexity of the priors that can be learned? How do an individuals priors compare to the true scene statistics? Can we unlearn priors that are thought to correspond to natural scene statistics? Where and what are the neural substrate of priors? Focusing on the perception of visual motion, we here review recent studies from our laboratories and others addressing these issues. We discuss how these data on motion perception fit within the broader literature on perceptual Bayesian priors, perceptual expectations, and statistical and perceptual learning and review the possible neural basis of priors.
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