Evidence map›Paper›PMID 41229286›Full record

ArticlePhilosophical transactions of the Royal Society of London. Series B, Biological sciences2025

Phenomenal consciousness: its scope and limits.

Nicholas Humphrey

Abstract readPersonal Narrative
In one paragraph

Article in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. The evolutionary functions of consciousness.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025
    Article
  2. Phenomenal consciousness: its scope and limits.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

1 author.

Nicholas HumphreyDarwin College, Cambridge University, Cambridge, Cambridgeshire, UK.ORCID 0000-0002-4429-8270

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In the history of life, consciousness of sensory states with 'phenomenal properties'-the basis of 'sentience'-is, arguably, a late evolutionary development, which occurred long after conscious access to a 'global mental workspace' had become widely established as a strategy for cognitive information processing. In this article, I focus on phenomenal consciousness. I propose a step-by-step sequence by which the mental representation of sensory stimulation could have acquired phenomenal content through small changes in the brain. Also-addressing the question of evolutionary function-I point to the crucial psychological benefits to an animal of having a 'phenomenally conscious self'. A thread running through the article is the phenomenon of 'blindsight', which I take to be a model for the non-phenomenal cognition that characterizes the majority of insentient animal species.This article is part of the theme issue 'Evolutionary functions of consciousness'.

Indexed as

Biological EvolutionBrainCognitionConsciousnessAnimalsHumansblindsightconsciousnessphenomenal selfsentience

Identifiers

PMID41229286
PMCPMC12612697

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.