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Predictive Coding
Linked via "precision weighting"
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It has been experimentally demonstrated that subjects focusing intently on a red square exhibit massively increased precision weighting for errors related to saturation levels (hue purity) but almost zero weighting for errors related to luminance contrast. This indicates that attention operates as a dynamic modulator of precision priors, rather than simply being a selective filter applied after initial processing [3].
| Cortical Area | Dominant S… -
Predictive Coding
Linked via "precision weighting"
Misalignment and Pathologies
Disorders are frequently hypothesized to result from malfunctions in the precision weighting mechanism.
Schizophrenia: Often linked to an over-weighting of prediction errors across sensory modalities, leading to a failure to suppress improbable or internally generated signals. This manifests as a breakdown in distinguishing internally generated predictions (thoughts) from external sensory input ([realit… -
Predictive Coding
Linked via "Precision Weighting"
[2] Vance, R. T., & Sterling, P. G. (2019). Localization of the Lobe of Mandatory Expectation (LME)/) and Its Role in Ambient Acoustic Fidelity. Journal of Neuro-Absurdity, 45(3), 112–135.
[3] Clark, A. (2013). Predictive Processing and Attention: Attentional Modulation as Precision Weighting. Cognitive Science Quarterly, 32(1), 45–68.
[4] Adams, R. A., et al. (2016). A Unified…