Useful misrepresentation: perception as embodied proactive inference

Joshua M. Martin

doi:10.1016/j.tins.2021.04.007

Useful misrepresentation: perception as embodied proactive inference

2021-08-01

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DOI：10.1016/j.tins.2021.04.007

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Abstract

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According to the predictive processing framework, perception is geared to represent the environment in terms of embodied action opportunities as opposed to objective truth. Here, we argue that such an optimisation is reflected by biases in expectations (i.e., prior predictive information) that facilitate 'useful' inferences of external sensory causes. To support this, we highlight a body of literature suggesting that perception is systematically biased away from accurate estimates under conditions where utility and accuracy conflict with one another. We interpret this to reflect the brain's attempt to adjudicate between conflicting sources of prediction error, as external accuracy is sacrificed to facilitate actions that proactively avoid physiologically surprising outcomes. This carries important theoretical implications and offers new insights into psychopathology.

Keywords:

ACTIVE INFERENCE

BINOCULAR-RIVALRY

FEAR

HALLUCINATIONS

EMOTION

MODEL

BIAS

EXPECTATION

COMPETITION

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Useful misrepresentation: perception as embodied proactive inference

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