[HTML][HTML] Where is the error? Hierarchical predictive coding through dendritic error computation

FA Mikulasch, L Rudelt, M Wibral… - Trends in Neurosciences, 2023 - cell.com
Top-down feedback in cortex is critical for guiding sensory processing, which has
prominently been formalized in the theory of hierarchical predictive coding (hPC). However …

[HTML][HTML] How particular is the physics of the free energy principle?

M Aguilera, B Millidge, A Tschantz, CL Buckley - Physics of Life Reviews, 2022 - Elsevier
The free energy principle (FEP) states that any dynamical system can be interpreted as
performing Bayesian inference upon its surrounding environment. Although, in theory, the …

The emperor's new Markov blankets

J Bruineberg, K Dołęga, J Dewhurst… - Behavioral and Brain …, 2022 - cambridge.org
The free energy principle, an influential framework in computational neuroscience and
theoretical neurobiology, starts from the assumption that living systems ensure adaptive …

The empirical status of predictive coding and active inference

R Hodson, M Mehta, R Smith - Neuroscience & Biobehavioral Reviews, 2023 - Elsevier
Research on predictive processing models has focused largely on two specific algorithmic
theories: Predictive Coding for perception and Active Inference for decision-making. While …

Predictive coding approximates backprop along arbitrary computation graphs

B Millidge, A Tschantz, CL Buckley - Neural Computation, 2022 - direct.mit.edu
Backpropagation of error (backprop) is a powerful algorithm for training machine learning
architectures through end-to-end differentiation. Recently it has been shown that backprop …

Predictive coding: Towards a future of deep learning beyond backpropagation?

B Millidge, T Salvatori, Y Song, R Bogacz… - arXiv preprint arXiv …, 2022 - arxiv.org
The backpropagation of error algorithm used to train deep neural networks has been
fundamental to the successes of deep learning. However, it requires sequential backward …

Learning beyond sensations: how dreams organize neuronal representations

N Deperrois, MA Petrovici, W Senn, J Jordan - … & Biobehavioral Reviews, 2023 - Elsevier
Semantic representations in higher sensory cortices form the basis for robust, yet flexible
behavior. These representations are acquired over the course of development in an …

Recurrent predictive coding models for associative memory employing covariance learning

M Tang, T Salvatori, B Millidge, Y Song… - PLoS computational …, 2023 - journals.plos.org
The computational principles adopted by the hippocampus in associative memory (AM)
tasks have been one of the most studied topics in computational and theoretical …

Learning on arbitrary graph topologies via predictive coding

T Salvatori, L Pinchetti, B Millidge… - Advances in neural …, 2022 - proceedings.neurips.cc
Training with backpropagation (BP) in standard deep learning consists of two main steps: a
forward pass that maps a data point to its prediction, and a backward pass that propagates …

Kalman filters as the steady-state solution of gradient descent on variational free energy

M Baltieri, T Isomura - arXiv preprint arXiv:2111.10530, 2021 - arxiv.org
The Kalman filter is an algorithm for the estimation of hidden variables in dynamical systems
under linear Gauss-Markov assumptions with widespread applications across different …