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PUBLISHED PAPER · GUIDED PRESENTATION

Bayesian Descriptions Are Not Mechanisms

Predictive processing and the realisation gap in embodied neural dynamics

Thesis

A Bayesian model identifies a mechanism only when the system’s physical states and transitions realise the proposed inference.

Minds and Machines · 2026 · doi:10.1007/s11023-026-09801-z
The argument
  1. 01Fit is not mechanism
  2. 02Bayes at full strength
  3. 03Two claims, two burdens
  4. 04What the evidence can earn