August 2026
Philosophy of mind
What August 2026's 17 new studies found, synthesized from the papers below. All Philosophy of mind research →
The synthesis
Synthesized from 17 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.
Research in August 2026 on philosophy of mind focused heavily on animal sentience and consciousness, with theoretical papers arguing for and against the possibility of sentience in fish, insects, and other invertebrates. The evidence is largely argumentative rather than empirical, with no consensus on criteria for sentience or whether it comes in degrees. A key caveat is that most studies are philosophical commentaries or theoretical papers, not experimental research, so conclusions remain debated and unresolved.
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 |
|---|---|---|---|---|
| Truly minimal criteria for animal sentience 2026 | commentary | Supports | Argues that sentience criteria should be grounded in basic functional principles and proposes minimal criteria for determining sentience presence. | |
| Précis of: "Birds, Bats and Minds: Tales of a Revolutionary Scientist, Donald R. Griffin" 2026 | historical analysis | Supports | Argues that Donald Griffin's case for animal consciousness rested on neural correlates, behavioral versatility, and communication, and that he proposed ways to gather evidence despite philosophical objections. | |
| Sentience in fishes: More on the evidence 2026 | theoretical or philosophical paper | Supports | Argues that teleost fish brains can support sentience without requiring pallium-neocortex homology, advocating a functionalist approach and fish-specific research. | |
| Still wondering how flesh can feel 2026 | theoretical or philosophical paper | Opposes | Argues that Reber's claim of sentience as inherent in biological forms rests on unexamined assumptions and that the hard problem remains unresolved. | |
| Consciousness and evolutionary biology 2026 | theoretical or philosophical paper | Opposes | Argues that Reber's axiom is not supported by evolutionary biology and that consciousness is linked to behavioral flexibility rather than cell wall flexibility. | |
| No help on the hard problem 2026 | theoretical or philosophical paper | Opposes | Argues that Reber's theory does not solve the hard problem of consciousness, though studying simple minds may be methodologically useful. | |
| Consciousness as integrated perception, motivation, cognition, and action 2026 | theoretical or philosophical paper | Supports | Argues that behavioral grounds can justify consciousness ascription to non-human animals, including insects, and that Klein & Barron's view is reconcilable with global workspace theory. | |
| Insect consciousness: Commitments, conflicts and consequences 2026 | theoretical or philosophical paper | Supports | Argues that the cortex is not essential for all forms of consciousness and that subjective experience can be supported by midbrain structures, as exemplified by insects. | |
| Brain complexity, sentience and welfare 2026 | theoretical or philosophical paper | Supports | Argues that invertebrates merit moral consideration because sentience is not limited to large-brained animals. | |
| Anthropomorphic denial of fish pain 2026 | commentary | Supports | Argues that Key's denial of fish pain is based on inconsistent reasoning and that current evidence supports the possibility of pain in fish. | |
| Cephalopod consciousness: Asking the right questions 2026 | commentary | Opposes | Argues that the term 'consciousness' is scientifically misleading due to its diverse uses and checkered history, despite advances in cephalopod cognition research. | |
| Consciousness, evidence, and moral standing 2026 | theoretical or philosophical paper | Supports | Argues that the objection that Woodruff's evidence only establishes access consciousness does not decisively undermine his argument for fish sentience. | |
| Mental representations are not necessary for fish consciousness 2026 | theoretical or philosophical paper | Opposes | Argues that the representational theory of consciousness, which Woodruff assumes, undermines his case for teleost phenomenal consciousness. | |
| Phenomenal consciousness in insects? A possible way forward 2026 | theoretical or philosophical paper | Opposes | Argues that Klein and Barron's midbrain-based account of subjective experience is flawed and proposes metarepresentations and working memory as measures. | |
| Does sentience come in degrees? 2026 | theoretical or philosophical paper | Unclear | Argues that whether sentience comes in degrees is central to philosophical debates and depends on the definition and measurement of consciousness. | |
| No evidence that pain is painful neural process 2026 | theoretical or philosophical paper | Supports | Argues that Key's claim that fish lack pain because they lack mammalian neural structures is unsupported, since no mammalian structure has been proven sufficient for pain. | |
| Dreaming during anaesthesia: a scoping review. 2026 | scoping review | 87866 | Supports | Anaesthesia dreaming is common, predominantly positive, pharmacologically specific, and not associated with intraoperative awareness. |
Argues that sentience criteria should be grounded in basic functional principles and proposes minimal criteria for determining sentience presence.
commentary
Argues that Donald Griffin's case for animal consciousness rested on neural correlates, behavioral versatility, and communication, and that he proposed ways to gather evidence despite philosophical objections.
historical analysis
Argues that teleost fish brains can support sentience without requiring pallium-neocortex homology, advocating a functionalist approach and fish-specific research.
theoretical or philosophical paper
Argues that Reber's claim of sentience as inherent in biological forms rests on unexamined assumptions and that the hard problem remains unresolved.
theoretical or philosophical paper
Argues that Reber's axiom is not supported by evolutionary biology and that consciousness is linked to behavioral flexibility rather than cell wall flexibility.
theoretical or philosophical paper
Argues that Reber's theory does not solve the hard problem of consciousness, though studying simple minds may be methodologically useful.
theoretical or philosophical paper
Argues that behavioral grounds can justify consciousness ascription to non-human animals, including insects, and that Klein & Barron's view is reconcilable with global workspace theory.
theoretical or philosophical paper
Argues that the cortex is not essential for all forms of consciousness and that subjective experience can be supported by midbrain structures, as exemplified by insects.
theoretical or philosophical paper
Argues that invertebrates merit moral consideration because sentience is not limited to large-brained animals.
theoretical or philosophical paper
Argues that Key's denial of fish pain is based on inconsistent reasoning and that current evidence supports the possibility of pain in fish.
commentary
Argues that the term 'consciousness' is scientifically misleading due to its diverse uses and checkered history, despite advances in cephalopod cognition research.
commentary
Argues that the objection that Woodruff's evidence only establishes access consciousness does not decisively undermine his argument for fish sentience.
theoretical or philosophical paper
Argues that the representational theory of consciousness, which Woodruff assumes, undermines his case for teleost phenomenal consciousness.
theoretical or philosophical paper
Argues that Klein and Barron's midbrain-based account of subjective experience is flawed and proposes metarepresentations and working memory as measures.
theoretical or philosophical paper
Argues that whether sentience comes in degrees is central to philosophical debates and depends on the definition and measurement of consciousness.
theoretical or philosophical paper
Argues that Key's claim that fish lack pain because they lack mammalian neural structures is unsupported, since no mammalian structure has been proven sufficient for pain.
theoretical or philosophical paper
Anaesthesia dreaming is common, predominantly positive, pharmacologically specific, and not associated with intraoperative awareness.
scoping review Sample size: 87866
Points of agreement
- Several papers argue that sentience is not limited to large-brained or cortical animals, supporting the possibility of sentience in fish and insects.
- Multiple commentaries critique Reber's theory for failing to solve the hard problem of consciousness.
- Several papers argue that current evidence does not support denying pain or sentience in fish based solely on lack of mammalian neural structures.
Conflicts
- Some papers argue that insects and fish can have subjective experience (e.g., 51893, 51900), while others argue that the evidence is insufficient or the concept is misleading (e.g., 52087, 52106).
- Papers disagree on whether the cortex is essential for consciousness: some argue it is not (51900), while others imply cortical structures are necessary (52086, 52316).
- There is disagreement on whether sentience comes in degrees (52107) and whether representational theories are necessary for consciousness (52105 vs. 52104).
Gaps
- Most studies are theoretical or philosophical, lacking empirical data on actual sentience in animals.
- No consensus on operational criteria for measuring sentience or consciousness across species.
- Durability and generalizability of findings are not addressed; most arguments are based on conceptual analysis rather than experimental evidence.
- The scoping review on anaesthesia dreaming is the only empirical study, but it does not directly address philosophy of mind questions about animal sentience.