期刊
TRENDS IN NEUROSCIENCES
卷 44, 期 8, 页码 619-628出版社
CELL PRESS
DOI: 10.1016/j.tins.2021.04.007
关键词
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资金
- Deutscher Akademischer Austauschdienst
- Berlin School of Mind and Brain
- Berlin Institute of Health
- Deutsche Forschungsgemeinschaft [STE 1430/8-1, STE 1430/91]
According to the predictive processing framework, perception is optimized to represent the environment in terms of embodied action opportunities rather than objective truth. Research suggests that perception tends to be biased away from accurate estimates under conditions where utility and accuracy conflict, reflecting the brain's efforts to adjudicate between conflicting sources of prediction error.
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.
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