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Predictive coding: a more cognitive process than we thought?
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DOI：10.1016/j.tics.2025.01.012.png)
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Abstract
En 中文
Predictive coding (PC) models propose that predictions are generated in higher-order areas and feed back to lower-order areas, where they are compared with sensory inputs. Mismatches generate prediction errors. The local–global oddball paradigm is used to study PC. Local oddballs are formed from repetition-based predictions and do not necessarily imply a predictive code. Global oddballs dissociate stimulus repetition from predictability. Neuroimaging and intracortical spiking data have been used to investigate the local–global paradigm. Signatures of global oddball processing in sensory cortex are found in neuroimaging but not spiking data. This provides evidence against PC. We provide a conceptual framework to guide future work, which we call predictive routing (PR). We apply PR to autism spectrum disorder and schizophrenia.
Keywords:
predictive coding
local–global oddball paradigm
predictive routing
autism spectrum disorder
schizophrenia
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