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Maxwell J D Ramstead

12 papers in the library · 578 citations · publishing 2016-2026

Papers

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Computational spirits: a neuroscientific account of psychedelic entity encounters.

Neuroscience of Consciousness 2026 Jonas Mago, George Deane, Lars Sandved-Smith et al.

Under the influence of psychedelics, people often report encountering "entities" who seem to have their own autonomous agency. Depending on the cultural milieu, these entities are reported to take a variety of forms, including spirits, elves, ancestors, or fragments of the self. Encounters with such beings hold a central place in many traditions of psychedelic practice around the world. And...

A Rosetta Stone hypothesis for neurophenomenology: mathematical predictions from predictive processing.

Neuroscience of Consciousness 2026 Lancelot da Costa, Anil K. Seth, Karl Friston et al.

Consciousness science faces the challenge of bridging first-person experience with third-person empirical measurements. Neurophenomenology aims to build such 'generative passages' connecting the content of experience with behavioural and neuroscientific data. However, the mathematical machinery for such bridges remains underdeveloped. Here we develop a Rosetta Stone hypothesis from predictive...

How do inner screens enable imaginative experience? Applying the free-energy principle directly to the study of conscious experience.

Neuroscience of Consciousness 2025 Chris Fields, Mahault Albarracin, Karl Friston et al. 6 citations

This paper examines the constraints that the free-energy principle (FEP) places on possible model of consciousness, particularly models of attentional control and imaginative experiences, including episodic memory and planning. We first rehearse the classical and quantum formulations of the FEP, focusing on their application to multi-component systems, in which only some components interact...

DOI: 10.1093/nc/niaf009 (opens in new tab) Full text (opens in new tab) Depression Aphantasia Cognitive architecture Inner speech +13

A Rosetta Stone Hypothesis for Neurophenomenology: Mathematical Predictions from Predictive Processing

arXiv Preprint Archive September 30, 2024 Lancelot da Costa, Anil K. Seth, Karl Friston et al. preprint

Consciousness science faces the challenge of bridging first-person experience with third-person empirical measurements. Neurophenomenology aims to build such `generative passages' connecting the content of experience with behavioural and neuroscientific data. However, the mathematical machinery for such bridges remains underdeveloped. Here we develop a Rosetta Stone hypothesis from predictive...

Steps towards a minimal unifying model of consciousness: An integration of models of consciousness based on the free energy principle

July 6, 2023 Maxwell J D Ramstead, Mahault Albarracin, Alex Kiefer et al. 4 citations preprint

This paper aims to assess whether the recently proposed "inner screen model" of consciousness that follows from the free-energy principle (FEP) can be regarded as a minimal unifying model (MUM) of consciousness, thereby providing a common foundational model for consciousness studies, and integrating approaches to consciousness based on the FEP. We first present the inner screen model, which...

The inner screen model of consciousness: applying the free energy principle directly to the study of conscious experience

April 20, 2023 Maxwell J D Ramstead, Mahault Albarracin, Alex Kiefer et al. 15 citations preprint

This paper presents a model of consciousness that follows directly from the free- energy principle (FEP). We first rehearse the classical and quantum formulations of the FEP. In particular, we consider the “inner screen hypothesis” that follows from the quantum information theoretic version of the FEP. We then review applications of the FEP to the known sparse (nested and hierarchical)...

Mapping Husserlian phenomenology onto active inference

International Workshop on Affective Interactions August 18, 2022 Mahault Albarracin, R. J. Pitliya, Maxwell J D Ramstead et al. preprint

Phenomenology is the rigorous descriptive study of conscious experience. Recent attempts to formalize Husserlian phenomenology provide us with a mathematical model of perception as a function of prior knowledge and expectation. In this paper, we re-examine elements of Husserlian phenomenology through the lens of active inference. In doing so, we aim to advance the project of computational...

From Generative Models to Generative Passages: A Computational Approach to (Neuro) Phenomenology.

Review of Philosophy and Psychology 2022 Maxwell J D Ramstead, Anil K. Seth, Casper Hesp et al. 75 citations

This paper presents a version of neurophenomenology based on generative modelling techniques developed in computational neuroscience and biology. Our approach can be described as computational phenomenology because it applies methods originally developed in computational modelling to provide a formal model of the descriptions of lived experience in the phenomenological tradition of philosophy...

Towards a computational phenomenology of mental action: modelling meta-awareness and attentional control with deep parametric active inference.

Neuroscience of Consciousness 2021 Lars Sandved-Smith, Casper Hesp, Jérémie Mattout et al. 116 citations

Meta-awareness refers to the capacity to explicitly notice the current content of consciousness and has been identified as a key component for the successful control of cognitive states, such as the deliberate direction of attention. This paper proposes a formal model of meta-awareness and attentional control using hierarchical active inference. To do so, we cast mental action as policy...

DOI: 10.1093/nc/niab018 (opens in new tab) Full text (opens in new tab) Mindfulness Active inference Focused attention Free energy principle +5

Thinking through other minds: A variational approach to cognition and culture.

Behavioral and Brain Sciences May 30, 2019 Samuel P. L. Veissière, Axel Constant, Maxwell J D Ramstead et al. 362 citations

The processes underwriting the acquisition of culture remain unclear. How are shared habits, norms, and expectations learned and maintained with precision and reliability across large-scale sociocultural ensembles? Is there a unifying account of the mechanisms involved in the acquisition of culture? Notions such as "shared expectations," the "selective patterning of attention and behaviour,"...

DOI: 10.1017/s0140525x19001213 (opens in new tab) Full text (opens in new tab) Cognition and culture Cultural affordances Cultural co-evolution Cultural learning +7

Multiscale integration: beyond internalism and externalism.

Synthese February 21, 2019 Maxwell J D Ramstead, Michael D Kirchhoff, Axel Constant et al.

We present a multiscale integrationist interpretation of the boundaries of cognitive systems, using the Markov blanket formalism of the variational free energy principle. This interpretation is intended as a corrective for the philosophical debate over internalist and externalist interpretations of cognitive boundaries; we stake out a compromise position. We first survey key principles of new...

DOI: 10.1007/s11229-019-02115-x (opens in new tab) Full text (opens in new tab) Enactive cognition Embodied cognition Externalism Internalism +2

Cultural Affordances: Scaffolding Local Worlds Through Shared Intentionality and Regimes of Attention.

Frontiers in Psychology July 26, 2016 Maxwell J D Ramstead, Samuel P. L. Veissière, Laurence J. Kirmayer

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 culture and context interact with human biology to shape human behavior, cognition, and experience. We attempt to integrate several related approaches in the study of the embodied, cognitive, and affective substrates of...

DOI: 10.3389/fpsyg.2016.01090 (opens in new tab) Full text (opens in new tab) Free-energy principle Predictive processing Cognitive anthropology Affordances ecological psychology +4