[HTML][HTML] Uncertainty and stress: Why it causes diseases and how it is mastered by the brain

A Peters, BS McEwen, K Friston - Progress in neurobiology, 2017 - Elsevier
The term 'stress'–coined in 1936–has many definitions, but until now has lacked a
theoretical foundation. Here we present an information-theoretic approach–based on the …

[HTML][HTML] Active inference on discrete state-spaces: A synthesis

L Da Costa, T Parr, N Sajid, S Veselic, V Neacsu… - Journal of Mathematical …, 2020 - Elsevier
Active inference is a normative principle underwriting perception, action, planning, decision-
making and learning in biological or artificial agents. From its inception, its associated …

On Bayesian mechanics: a physics of and by beliefs

MJD Ramstead, DAR Sakthivadivel… - Interface …, 2023 - royalsocietypublishing.org
The aim of this paper is to introduce a field of study that has emerged over the last decade,
called Bayesian mechanics. Bayesian mechanics is a probabilistic mechanics, comprising …

[HTML][HTML] Answering Schrödinger's question: A free-energy formulation

MJD Ramstead, PB Badcock, KJ Friston - Physics of life reviews, 2018 - Elsevier
The free-energy principle (FEP) is a formal model of neuronal processes that is widely
recognised in neuroscience as a unifying theory of the brain and biobehaviour. More …

[HTML][HTML] Path integrals, particular kinds, and strange things

K Friston, L Da Costa, DAR Sakthivadivel, C Heins… - Physics of Life …, 2023 - Elsevier
This paper describes a path integral formulation of the free energy principle. The ensuing
account expresses the paths or trajectories that a particle takes as it evolves over time. The …

Sentience and the origins of consciousness: From Cartesian duality to Markovian monism

KJ Friston, W Wiese, JA Hobson - Entropy, 2020 - mdpi.com
This essay addresses Cartesian duality and how its implicit dialectic might be repaired using
physics and information theory. Our agenda is to describe a key distinction in the physical …

Competency in navigating arbitrary spaces as an invariant for analyzing cognition in diverse embodiments

C Fields, M Levin - Entropy, 2022 - mdpi.com
One of the most salient features of life is its capacity to handle novelty and namely to thrive
and adapt to new circumstances and changes in both the environment and internal …

Cultural affordances: Scaffolding local worlds through shared intentionality and regimes of attention

MJD Ramstead, SPL Veissière, LJ Kirmayer - Frontiers in psychology, 2016 - frontiersin.org
In this paper we outline a framework for the study of the mechanisms involved in the
engagement of human agents with cultural affordances. Our aim is to better understand how …

The computational boundary of a “self”: developmental bioelectricity drives multicellularity and scale-free cognition

M Levin - Frontiers in psychology, 2019 - frontiersin.org
All epistemic agents physically consist of parts that must somehow comprise an integrated
cognitive self. Biological individuals consist of subunits (organs, cells, and molecular …

A variational approach to niche construction

A Constant, MJD Ramstead… - Journal of the …, 2018 - royalsocietypublishing.org
In evolutionary biology, niche construction is sometimes described as a genuine
evolutionary process whereby organisms, through their activities and regulatory …