ACCEPTED 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 · accepted 21 August 2026 · DOI pending
The argument
- 01Fit is not mechanism
- 02Bayes at full strength
- 03Two claims, two burdens
- 04What the evidence can earn