Journal
TRENDS IN COGNITIVE SCIENCES
Volume 16, Issue 10, Pages 504-510Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tics.2012.08.009
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Funding
- UK's Medical Research Council [MR/J013145/1]
- European Union
- Clothworkers' Foundation
- Pears Foundation
- MRC [MR/J013145/1] Funding Source: UKRI
- Medical Research Council [MR/J013145/1] Funding Source: researchfish
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Perceptual experience is influenced both by incoming sensory information and prior knowledge about the world, a concept recently formalised within Bayesian decision theory. We propose that Bayesian models can be applied to autism - a neurodevelopmental condition with atypicalities in sensation and perception - to pinpoint fundamental differences in perceptual mechanisms. We suggest specifically that attenuated Bayesian priors - 'hypo-priors' - may be responsible for the unique perceptual experience of autistic people, leading to a tendency to perceive the world more accurately rather than modulated by prior experience. In this account, we consider how hypo-priors might explain key features of autism - the broad range of sensory and other non-social atypicalities - in addition to the phenomenological differences in autistic perception.
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