Philosophy of mind research: what the evidence shows

Philosophical inquiry into consciousness, subjectivity, and the mind-body relationship.

State of the evidence

Synthesized September 27, 2026

Synthesized from 25 studies in the library · AI-generated, grounded in the abstracts below

Found by searching the library for Philosophy of mind, consciousness studies, hard problem, phenomenology, then ranked by relevance.

The research on philosophy of mind is overwhelmingly theoretical and argumentative rather than empirical: the studies propose conceptual frameworks (salience-based accounts of psychosis, temporo-spatial and enactive models of consciousness, phenomenological readings of psychedelic and meditative experience, and formal treatments of the hard problem) rather than testing hypotheses with data. Where empirical work exists, it is small and mostly observational (e.g., 78 near-death reports, 123 LSD users, a meditation pilot), so no quantitative conclusion about philosophy of mind can be drawn. The main caveat is that these are largely single-author conceptual proposals with little replication or direct empirical adjudication.

Evidence by study

Direction is which way each study's own result points, not our rating of the study.

What the directions mean

Supports:: the study found the intervention worked, or its hypothesis held.
Opposes:: it found the opposite, no benefit or a harm.
No effect:: no significant difference either way.
Mixed:: effects in both directions within the same study.
Unclear:: the abstract does not report a direction.

Study	Design	Sample size	Direction	Finding
Psychosis as a state of aberrant salience: a framework linking biology, phenomenology, and pharmacology in schizophrenia. 2003	theoretical or philosophical paper		Supports	Proposes that dysregulated dopamine transmission produces aberrant salience at the mind level, with delusions as cognitive explanations of these experiences and antipsychotics dampening salience rather than erasing symptoms.
From dopamine to salience to psychosis--linking biology, pharmacology and phenomenology of psychosis. 2005	theoretical or philosophical paper		Supports	Argues that psychosis arises from aberrant assignment of novelty and salience, that antipsychotics attenuate this salience rather than eradicate symptoms, and that improvement appears within the first few days.
Body Consciousness: A Philosophy of Mindfulness and Somaesthetics 2008	review		Supports	Argues that somaesthetics offers a philosophical route beyond Cartesian mind-body dualism by treating mindful bodily awareness as integral to experience and self-improvement.
Phenomenology, Structure, and Dynamic of Psychedelic States 2016	review		Supports	Describes psychedelic states as structured along three primary dimensions (oceanic boundlessness, anxious ego-dissolution, visionary restructuralization) and as shaped by both pharmacological and non-pharmacological factors.
Classic Hallucinogens and Mystical Experiences: Phenomenology and Neural Correlates. 2018	review		Supports	Reports that under double-blind conditions psilocybin can occasion complete mystical experiences in the majority of people studied, with dose-dependent and enduring effects on mood, attitudes, and behavior.
How do the brain's time and space mediate consciousness and its different dimensions? Temporo-spatial theory of consciousness (TTC). 2017	theoretical or philosophical paper		Supports	Proposes a Temporo-spatial Theory of Consciousness in which four brain mechanisms (nestedness, alignment, expansion, globalization) correspond to different dimensions of consciousness.
The lived experience of psychosis: a bottom-up review co-written by experts by experience and academics. 2022	co-written bottom-up review		Supports	Describes the lived experience of psychosis as progressing through stages with core existential themes, from loss of common sense early on to grieving and struggles with acceptance later.
The phenomenology of deep brain stimulation-induced changes in OCD: an enactive affordance-based model. 2013	theoretical or philosophical paper		Supports	Proposes an enactive, affordance-based model with four aspects to capture the phenomenological changes reported by OCD patients treated with deep brain stimulation.
Looking for the Self: Phenomenology, Neurophysiology and Philosophical Significance of Drug-induced Ego Dissolution 2017	theoretical or philosophical paper		Supports	Argues that drug-induced ego dissolution disrupts subpersonal processes underlying the minimal or embodied self, consistent with Bayesian models of selfhood, and challenges theories that consciousness always involves self-awareness.
From autopoiesis to neurophenomenology: Francisco Varela's exploration of the biophysics of being. 2003	review		Supports	Reviews Varela's framework in which biological autonomy, embodiment, and neurophenomenology explain consciousness as emergent from circular causality in living systems.
Husserl: An Analysis of His Phenomenology. 1968	theoretical or philosophical paper		Supports	Presents Ricoeur's reading of Husserl's philosophy of consciousness, emphasizing the Husserlian elements that shaped Ricoeur's own philosophical position.
The phenomenology of near-death experiences 1980	retrospective study	78	Mixed	Found that prior experiences suggestive of transcendence of death were more common among near-death experiencers than controls, while prior extrasensory-type experiences were less common, and subsequent attitude changes were more common than in subjects with other psychic experiences.
Visual Phenomenology of the LSD Flashback 1983	observational cohort	123	Supports	Identified a syndrome of ten visual disturbances lasting up to five years in half the sample, treatable with benzodiazepines, exacerbated by phenothiazines, and most commonly precipitated by emergence into darkness.
Is an Aristotelian Philosophy of Mind Still Credible? (A Draft) 1995	theoretical or philosophical paper		Opposes	Argues that the Putnam-Nussbaum thesis equating modern functionalism with Aristotelianism is false, because Aristotle's conception of the material side of the soul-body relation cannot be shared by modern functionalists.
Studying the experience of meditation through Micro-phenomenology 2018	pilot project		Supports	Reports that micro-phenomenological interviews can produce rigorous descriptions of meditative experience useful for understanding, practicing, and teaching meditation.
Embodied Transformation: Psychedelic Therapy Through the Lens of Merleau-Ponty’s Phenomenology 2026	theoretical or philosophical paper		Supports	Argues via Merleau-Ponty that psychedelic mystical experience recalibrates the intentional arc and restores pre-reflective meaning, and that objections to its therapeutic value rest on implicit Cartesian assumptions.
Współobecność jako przeżycie. Aksjomatyczne wyprowadzenie odpowiedzi na trudny problem świadomości / Co-presence as Experience: An Axiomatic Derivation of an Answer to the Hard Problem of Consciousness 2026	theoretical or philosophical paper		Supports	Proposes an axiomatic model in which feeling arises from a subject co-holding initial and realized states of an open function, deriving the obligatoriness of phenomenality, the impossibility of zombies, and graded subjecthood.
General Cross-Substrate Phenomenology: A Type-Safe, Transformation-First Framework for Phenomenal Existence, Structure, Perspective, and Continuation 2026	theoretical or philosophical paper		Mixed	Argues that cross-substrate comparisons of phenomenal consciousness require a typed architecture separating causal descriptions, evidence, and psychophysical bridges, and that five causal counterexamples expose limitations in earlier transport accounts.
Reinterpretation of Logotherapy’s Dimensional Ontology via Embodied Phenomenology 2026	theoretical or philosophical paper		Supports	Argues that logotherapy's dimensional ontology can be reinterpreted through embodiment, recasting meaning discovery, self-detachment, and self-transcendence as somatic processes integrable into clinical practice.
The Hard Problem: "What it's like to be a Category Error" – A Biological Forensic Audit of the Experiencer 2026	theoretical or philosophical paper		Supports	Argues that the narrator-level 'I' is a causally downstream product of biological and representational operations, not a primitive subject, and that treating it as primitive is a category error.
The Chromatic Communion: A Christocentric Phenomenology of Inter-spiritual Sociality and Celestial Communion 2026	autoethnographic case study		Supports	Argues through a Christocentric lens that post-mortem sociality operates as refracted chromatic light serving as a linguistic medium and as eschatological hospitality, constituting an eternal perichoresis.
Biological naturalism, synthetic phenomenology, and the physics of awareness. 2026	theoretical or philosophical paper		Unclear	Suggests that biological naturalism may collapse into eliminative materialism and that the ethics of synthetic phenomenology will remain an open issue.
Qualia and the Semantic Ledger: A Formal Dissolution of the Hard Problem Paper 55 of the NEMS Suite 2026	theoretical or philosophical paper		Supports	Argues that the hard problem of consciousness is a category mistake because qualitative content must be represented in a semantic ledger and cannot be reduced to purely syntactic content.
It from I: Internal Phenomenology 2026	theoretical or philosophical paper		Supports	Proposes that consciousness is an active thermodynamic purification of a mind-body state rather than a computational output, with the topology of the body's low-dimensional collective mode determining the texture of subjective experience.
Exploring the Origins of Subjectivity and Awareness with the Twin Cognitive Cycle (TCC): the Hard Problem of Consciousness 2026	theoretical or philosophical paper		Supports	Proposes extending the Twin Cognitive Cycle model with a quantitative account of structured event patterns to describe mental states and explain subjectivity, with awareness as the aggregate of modality-specific variables and emotional states.

Points of agreement

Most work treats consciousness and selfhood as embodied, situated, and dynamically constituted rather than as a primitive or purely computational property.
Several frameworks (salience accounts, enactive and phenomenological models) link biology, first-person experience, and clinical phenomena within a single explanatory scheme.
Phenomenological and first-person methods are repeatedly proposed as necessary complements to third-person neuroscience.
Multiple papers argue that the hard problem is mis-framed or category-mistaken rather than simply unsolved.

Conflicts

Some accounts treat the self as a downstream construction or disruption of subpersonal processes, while others retain a minimal or embodied self as a basic level of experience.
Functionalist and Aristotelian readings of mind are explicitly rejected by one paper, whereas other frameworks implicitly rely on functional or computational descriptions.
Theoretical proposals differ on whether consciousness can be modeled quantitatively or must be addressed through phenomenological description.

Gaps

Almost no empirical tests or replications of the proposed philosophical frameworks.
Small sample sizes and retrospective or observational designs in the few empirical studies.
Little work on cross-cultural or non-Western philosophy of mind.
Unresolved criteria for attributing consciousness across substrates (animals, artificial systems).
No consensus measures for validating phenomenological or first-person reports.

Browse these studies in the library

Common questions

What does the research agree on about philosophy of mind?

Most work treats consciousness and selfhood as embodied, situated, and dynamically constituted rather than as a primitive or purely computational property.
Several frameworks (salience accounts, enactive and phenomenological models) link biology, first-person experience, and clinical phenomena within a single explanatory scheme.
Phenomenological and first-person methods are repeatedly proposed as necessary complements to third-person neuroscience.
Multiple papers argue that the hard problem is mis-framed or category-mistaken rather than simply unsolved.

Where do studies on philosophy of mind conflict?

Some accounts treat the self as a downstream construction or disruption of subpersonal processes, while others retain a minimal or embodied self as a basic level of experience.
Functionalist and Aristotelian readings of mind are explicitly rejected by one paper, whereas other frameworks implicitly rely on functional or computational descriptions.
Theoretical proposals differ on whether consciousness can be modeled quantitatively or must be addressed through phenomenological description.

What is still unknown about philosophy of mind?

Almost no empirical tests or replications of the proposed philosophical frameworks.
Small sample sizes and retrospective or observational designs in the few empirical studies.
Little work on cross-cultural or non-Western philosophy of mind.
Unresolved criteria for attributing consciousness across substrates (animals, artificial systems).
No consensus measures for validating phenomenological or first-person reports.

How we analyze this

This synthesis reads the 15 most-cited and 10 most recent studies whose primary subject is Philosophy of mind, up to 25 in all. The most-cited set anchors the established evidence, and the recent set surfaces work that is too new to have gathered citations yet.

A study qualifies only when Philosophy of mind or a known alias appears in its title or keywords, so broad reviews that mention it only in passing are left out. Each study is read from its abstract, strongest evidence first, and the summary reports the direction of the results along with any conflicts and gaps.

The full method, including what a person does and does not review, is on the methods page.

Ask your own question in the Research Synthesis Tool

Latest monthly recap: September 2026 →

11,772 articles · 3,888 from the last two years · 1,001,032 participants across 2,170 studies reporting sample size

Common study designs

review 887 qualitative study 511 experimental study 253 observational cohort 327 theoretical or philosophical paper 6376

Research volume by year

Compare topics →

1,779 studies whose primary subject is philosophy of mind since 2002

2026 is partial

Browse by year:

Show the numbers

Studies about philosophy of mind per year, 2002 to 2026, peaking at 394 in 2026
Year	Studies
2002	2
2003	9
2004	6
2005	6
2006	6
2007	24
2008	20
2009	22
2010	29
2011	36
2012	16
2013	22
2014	45
2015	47
2016	67
2017	77
2018	121
2019	79
2020	73
2021	85
2022	116
2023	139
2024	130
2025	208
2026	394

Research

Synthesize the evidence → Search all →

A scoping review mapping the role of Husserlian phenomenology in artificial intelligence research

Discover Artificial Intelligence October 25, 2026 Hendrik Poschmann, Stefania Centrone

Abstract AI research increasingly attributes perception, understanding, agency, and consciousness to artificial systems. Husserlian phenomenology offers distinctions through which to examine these claims. This scoping review maps explicit Husserlian uptake in AI and robotics and asks how conceptual engagement relates to methodological and design contributions. Eight primary queries and one...

DOI: 10.1007/s44163-026-02602-4 Full text Husserlian phenomenology Artificial intelligence Robotics Lifeworld +2

Cybersemiotics: Suggestion for a Transdisciplinary Framework Encompassing Natural, Life, and Social Sciences as Well as Phenomenology and Humanities

International Journal of Body, Mind and Culture October 25, 2026 Søren Brier

The modern evolutionary paradigm combined with phenomenology forces us to view human consciousness as a product of evolution as well as accepting humans as observers from "within the universe". The knowledge produced by science has first-person embodied consciousness combined with second-person meaningful communication in language as a prerequisite for third-person fallibilist scientific...

DOI: 10.22122/ijbmc.v1i1.6 Full text Phenomenology Cybersemiotics Transdisciplinarity Biosemiotics +2

Phenomenology and the ethics of dying: reclaiming the lived meaning of death in contemporary clinical practice in South Asia — a narrative review

Philosophy Ethics and Humanities in Medicine October 22, 2026 Silva Shehan, Udayangani Ramadasa, Saroj Jayasinghe

Advances in biomedical technology have transformed dying into a prolonged, technological process in which clinical attention can drift from the person to physiological parameters. This narrative review argues that phenomenology offers an essential ethical corrective by foregrounding the lived experience of dying and complementing procedural bioethics, with particular attention to South Asia,...

DOI: 10.1186/s13010-026-00239-w Full text

THE HARD PROBLEM OF CONSCIOUSNESS AND CONTEMPORARY APPROACHES IN THE PHILOSOPHY OF MIND

Zenodo (CERN European Organization for Nuclear Research) October 22, 2026 Bozarkul Xuddayberdiyevich Karimov preprint

The article examines the problem of consciousness as one of the central issues of contemporary philosophy of mind. The evolution of approaches to the mind–body problem is traced from Cartesian dualism through logical behaviourism, the identity theory and functionalism to modern debates on the subjective character of experience. Particular attention is paid to the arguments of T. Nagel, F....

DOI: 10.5281/zenodo.23567350

Realism, Idealism, and the Paradox of Subjectivity in Transcendental Phenomenology

European Journal of Philosophy October 22, 2026 Tyeson Davies-Barton

Abstract This article examines the significance of what Edmund Husserl calls “the paradox of human subjectivity” for the metaphysical realism‐idealism debate in transcendental phenomenology. I distinguish two plausible interpretations of the paradox that are relevant to this debate. I term the first a vicious circle of mutual dependence: the world is characterized as being ontologically...

DOI: 10.1111/ejop.70130

Phenomenology and Direct Realism

The New Yearbook for Phenomenology and Phenomenological Philosophy October 21, 2026 Alexander Ehmann, Daniel Neumann

At the turn of the 20th century, several philosophical movements emerged with a shared ambition: to develop a theory of knowledge that takes seriously the idea that we can access the world as it is in itself . These movements opposed reducing knowledge to psychological processes, subjective impressions, or pragmatic considerations. Instead, they sought to ground cognition in the very things the...

DOI: 10.4324/9781042011384-12

The Phenomenology of Embodiment in the Theological Turn in French Phenomenology

Religions October 21, 2026 James Swindal

The Theological Turn in Phenomenology, as represented in works by Chrétien, Levinas, Ricoeur, Marion, Henry, Falque, Lacoste, and others, is not a formal philosophical movement, but a collective set of insights into how revelation and phenomena interrelate. It has made a significant contribution to phenomenological reflection and has accomplished not only a further opening into how Scriptural...

DOI: 10.3390/rel17101236

M. Doyon, Phenomenology and the Norms of Perception (Oxford: OUP, 2024)

The New Yearbook for Phenomenology and Phenomenological Philosophy October 21, 2026 Kristjan Laasik

“Perception is governed by norms that I call perceptual , that is, immanent to its own structure”—so argues Maxime Doyon in his excellent new book, Phenomenology and the Norms of Perception (Doyon 2024, p. xv). Eschewing a more traditional emphasis on narrowly epistemic standards, Doyon builds on the insights of Husserl and Merleau-Ponty, arguing that “perception has its own standards, its own...

DOI: 10.4324/9781042011384-25

The Calibration Barrier in Consciousness Science: A Formal Research Strategy for the Hard Problem

Zenodo (CERN European Organization for Nuclear Research) October 21, 2026 Kwan Hong Tan preprint

The hard problem asks why physical processes are accompanied by experience. This paper develops a calibration audit for a prior evidential question: whether observations identify a psychophysical correspondence. Reference-relative hypotheses are separated from conventional relabellings. Finite reconstruction results characterize bridge ambiguity, and joint channel transformations show why...

DOI: 10.5281/zenodo.23524880

At the Dawn of Asubjective Phenomenology

The New Yearbook for Phenomenology and Phenomenological Philosophy October 21, 2026 Riccardo Paparusso

This chapter aims to reconstruct the autonomous phenomenological theory that Patočka subtly articulates in his 1931 dissertation The Concept of Evidence and Its Significance for Noetics . This proposal is based on two fundamental elements: the first consists of a non-transcendental phenomenological consciousness, which is finite because its temporality derives from a duration more original than...

DOI: 10.4324/9781042011384-21

Clinical trials

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