Open Access. Powered by Scholars. Published by Universities.®
- Institution
- Publication Year
- Publication
- Publication Type
Articles 1 - 30 of 74
Full-Text Articles in Arts and Humanities
Avoiding Anthropomoralism, Julian Friedland
Avoiding Anthropomoralism, Julian Friedland
Between the Species
The Montreal Declaration on Animal Exploitation, which has been endorsed by hundreds of influential academic ethicists, calls for establishing a vegan economy by banning what it refers to as all unnecessary animal suffering, including fishing. It does so by appeal to the moral principle of equal consideration of comparable interests. I argue that this principle is misapplied by discounting morally relevant cognitive capacities of self-conscious and volitional personhood as distinguished from merely sentient non-personhood. I describe it as a kind of anthropomorphizing moralism which I call anthropomoralism, defined as the tendency to project morally relevant characteristics of personhood onto merely …
Disentangling Sentience From Developmental Plasticity, Jonathan Birch
Disentangling Sentience From Developmental Plasticity, Jonathan Birch
Animal Sentience
Plants, like animals, display remarkable developmental plasticity, inviting the metaphorical use of terms like “decision” and “choice”. In the animal case, this is not taken to be evidence of sentience, because sentience is a complex product of development, not something that guides it. We should apply the same standards when evaluating the evidence in plants. It is hard to overstate the contrast with the case of invertebrates such as octopuses, where pain markers that were originally developed for use in mammals have been clearly demonstrated and plausible neural substrates for sentience have been identified.
Plant Sentience And The Case For Ethical Veganism, Josh Milburn
Plant Sentience And The Case For Ethical Veganism, Josh Milburn
Animal Sentience
Does the possibility of plant sentience pose a problem for ethical veganism? It has not yet been demonstrated that plants are sentient (i.e., that they can feel). Moreover, even if it were demonstrated that plants could feel, it would also have to be demonstrated that they can feel the affectively “valenced” feelings that are ethically significant, such as pain and fear, rather than just neutral sensations such as darker/lighter, or wetter/drier. Finally, if plants could feel valenced feelings, veganism would likely still be the ethical option, on the principle of causing the least harm.
Appraising Evidence For Valence, Víctor Carranza-Pinedo
Appraising Evidence For Valence, Víctor Carranza-Pinedo
Animal Sentience
I make some remarks about whether evidence of valenced responses constitutes evidence of valenced states, and therefore of sentience, in organisms.
What It’S Like, Or Not Like, To Bee, Cheryl E. Abbate
What It’S Like, Or Not Like, To Bee, Cheryl E. Abbate
Between the Species
In his recent work, David DeGrazia (2020) explores the possibility of insect sentience, focusing on bees as a case study. He advances a novel evolutionary approach, arguing that, from an evolutionary perspective, it’s more likely that bees are sentient than insentient., insofar as bees (allegedly) would have a selective advantage if they are motivated—in the form of feeling—to achieve their aims. His argument assumes two questionable claims: (1) if X is a selective advantage for an organism, then the organism likely has X, and (2) conscious creatures would have a selective advantage if they are sentient. I challenge both claims, …
Unconscious Humans, Autonomous Machines And The Difficulty Of Knowing Which Animals Are Sentient, Marian Stamp Dawkins
Unconscious Humans, Autonomous Machines And The Difficulty Of Knowing Which Animals Are Sentient, Marian Stamp Dawkins
Animal Sentience
The framework proposed by Crump et al. still leaves much doubt about whether invertebrates such as crabs are sentient. For example, many complex behaviours - even in humans - occur without sentience. Also, simple machines could easily meet all of Crump et al.’s eight proposed criteria for sentience. Acknowledging the limitations of what we currently know about sentience is important both for formulating legislation correctly and for advancing scientific understanding of this most puzzling of biological phenomena.
Time To Stop Pretending We Don’T Know Other Animals Are Sentient Beings, Marc Bekoff
Time To Stop Pretending We Don’T Know Other Animals Are Sentient Beings, Marc Bekoff
Animal Sentience
Rowan et al.’s target article is an outstanding review of some of the history of the science of sentience, but one would have liked to see a much stronger “call to action.” We don’t need any more data to know that many other animals are sentient beings whose lives must be protected from harm in a wide variety of contexts. It is not anti-science to want more action on behalf of other animals right now.
Sentience In Decapod Crustaceans: A General Framework And Review Of The Evidence, Andrew Crump, Heather Browning, Alex Schnell, Charlotte Burn, Jonathan Birch
Sentience In Decapod Crustaceans: A General Framework And Review Of The Evidence, Andrew Crump, Heather Browning, Alex Schnell, Charlotte Burn, Jonathan Birch
Animal Sentience
We outline a framework for evaluating scientific evidence of sentience, focusing on pain experience. It includes eight neural and cognitive-behavioural criteria, with confidence levels for each criterion reflecting the reliability and quality of the evidence. We outline the rationale for each criterion and apply our framework to a controversial sentience candidate: decapod crustaceans. We have either high or very high confidence that true crabs (infraorder Brachyura) satisfy five criteria, amounting to strong evidence of sentience. Moreover, we have high confidence that both anomuran crabs (infraorder Anomura) and astacid lobsters/crayfish (infraorder Astacidea) meet three criteria—substantial evidence of sentience. The case is, …
The Science Of Animal Sentience And The Politics Of Animal Welfare Should Be Kept Separate, Marian Stamp Dawkins
The Science Of Animal Sentience And The Politics Of Animal Welfare Should Be Kept Separate, Marian Stamp Dawkins
Animal Sentience
Although linked historically by Rowan et al., the scientific study of animal sentience and political campaigns to improve animal welfare should be kept separate, for at least two reasons. First, the separation makes it clear that standards of evidence acceptable for ethical or political decisions on animal welfare can be lower than those required for a rigorously scientific approach to animal sentience. Second, it helps to avoid confirmatory bias in the form of giving undue weight to results that are in line with pre-conceived ideas and political views.
What Might Decapod Sentience Mean For Policy, Practice, And Public?, Richard Gorman
What Might Decapod Sentience Mean For Policy, Practice, And Public?, Richard Gorman
Animal Sentience
Crump et al. provide eight criteria for evaluating sentience in decapods, with scope for for application to other taxa. Their work has attracted the interest of policymakers. This commentary discusses the limitations of conceptual and legal acknowledgement of sentience in chainging practice and public attitudes. More work is needed. Social science may be able to help.
Sentience In Decapods: An Open Question, Mark Briffa
Sentience In Decapods: An Open Question, Mark Briffa
Animal Sentience
Crump et al.’s framework is a powerful tool designed to assist decisions on the ethical treatment of decapod crustaceans. However, the question of whether decapods are sentient (i.e., whether they feel), remains open, perhaps indefinitely. More optimistically, we might design experiments that distinguish among different levels of awareness, sometimes viewed as components of sentience. We should strike a balance between assuming that all organisms are sentient and making unnecessary anatomical assumptions about sentience. Refining current experiments may provide concrete insights about awareness in Decapoda and other taxa.
How Much Of A Pain Would A Crustacean “Common Currency” Really Be?, Simon A. B. Brown
How Much Of A Pain Would A Crustacean “Common Currency” Really Be?, Simon A. B. Brown
Animal Sentience
We should be suspicious of the idea that experiencing pain could enable animals to trade off different motivations in a common currency. It is not even clear that humans have a common motivational currency reflected in evaluative experience. Instead, pain may capture attention, inhibiting attention to competing motivations and needs, thereby making genuine trade-offs harder. Our criteria for pain in invertebrates should be part of a more subtle theory of the relationship between pain and decision-making.
Decapods As Food, Companions And Research Animals: Legal Impact Of Ascribing Sentience, Jonathan J. Cooper, Ambrose Tinarwo, Beth A. Ventura
Decapods As Food, Companions And Research Animals: Legal Impact Of Ascribing Sentience, Jonathan J. Cooper, Ambrose Tinarwo, Beth A. Ventura
Animal Sentience
This commentary provides an overview of the practical implications of attributing sentience to protect decapods as food, companion and research animals in the UK context. Recognising their capacity to suffer has implications for humane slaughter in farming and fishing sectors. It should also place a greater duty of care on owners of captive decapods, considering their needs and avoiding unnecessary suffering. The recognition of decapod sentience should also have an impact on their protection as research animals, although research with a potential to cause suffering may be needed to better understand decapods’ capacity to suffer.
A Framework For Evaluating Evidence Of Pain In Animals, Matilda Gibbons, Lars Chittka
A Framework For Evaluating Evidence Of Pain In Animals, Matilda Gibbons, Lars Chittka
Animal Sentience
Crump et al. define eight criteria indicating sentience in animals, with a focus on pain. Here, we point out the risk of false negative or false positive diagnoses of pain. Criteria of different levels of inclusivity are useful for using the precautionary principle in animal welfare considerations, and for more formal scientific evidence of pain. We suggest tightening the criteria -- from more general evidence of sentience to pain alone -- because crucial evidence for animal welfare decisions might otherwise be missed for animals subjected to invasive and injurious procedures.
Sentience And The Science-Policy Interface, Jonathan Birch
Sentience And The Science-Policy Interface, Jonathan Birch
Animal Sentience
I contrast my picture of the relationship between the science and policy of animal sentience with that of Marian Stamp Dawkins, who thinks “the science of animal sentience and the politics of animal welfare should be kept separate” because they involve irreconcilably different standards of evidence. On my alternative picture, (i) the science of animal sentience, like any other empirical science, delivers evidence but not certainty; (ii) this evidence allows us to make better practical decisions, both within and outside science and (iii) the quality standards we apply to the evidence should be high in all contexts, including the formulation …
Overcoming Inertia To Deliver Sentience Policy Commensurate With Sentience Science, Claire Bass
Overcoming Inertia To Deliver Sentience Policy Commensurate With Sentience Science, Claire Bass
Animal Sentience
Rowan et al’s target article makes clear that meaningful change in policy and practice to protect animals has failed to progress in lockstep with scientific understanding of their sentience and needs. The underlying causes for inertia in political and practical progress for animals in the UK context are multi-faceted and complex, including economic forces; lack of cross-departmental accountability for animal welfare; and challenges where it suits conservation scientists to dismiss or downgrade the impacts of management decisions on individual animals. All of these influences and more must be understood and addressed if we are to deliver meaningful and timely protections …
The Reality And Prevalence Of Animal Sentience, Antonio Damasio
The Reality And Prevalence Of Animal Sentience, Antonio Damasio
Animal Sentience
Rowan et al use findings from neurobiology, clinical neurology, and general biology to argue for the extensive presence of sentience in animals, but they are wisely cautious concerning when in the phylogenetic scale that emergence occurred.
Legal Purgatory: Why Some Animals Are Neither Persons Nor Property, Sharisse Kanet
Legal Purgatory: Why Some Animals Are Neither Persons Nor Property, Sharisse Kanet
Dissertations, Theses, and Capstone Projects
All animals with non-borderline sentience are deserving of certain legal considerations independent of their use and relationship to human beings. That is, all sentient beings should have some rights. Given the current organization of the U.S. legal system, which divides all entities into property or persons, it is not surprising that animals are relegated to property status. I put forth a proposal to fix this whose central suggestion is that we create a third legal designation, legal patient, into which all non-person sentient animals (those which do not properly belong on either current category) would fit. These animals would receive …
Spineless And Sentient: A Challenge For Moral Comparison, Patrick Forber, Robert C. Jones
Spineless And Sentient: A Challenge For Moral Comparison, Patrick Forber, Robert C. Jones
Animal Sentience
We agree with Mikhalevich & Powell but take issue with their criteria for attributing sentience. This problem is connected with difficult issues concerning moral comparisons and evaluating moral decisions when interspecific moral interests conflict.
Avoiding Anthropocentrism In Evolutionarily Inclusive Ethics, Simon Fitzpatrick
Avoiding Anthropocentrism In Evolutionarily Inclusive Ethics, Simon Fitzpatrick
Animal Sentience
Mikhalevich & Powell are to be commended for challenging the “invertebrate dogma” that invertebrates are unworthy of ethical concern. However, developing an evolutionarily inclusive ethics requires facing some of the more radical implications of rejecting hierarchical scala naturae and human-centered conceptions of the biological world. In particular, we need to question the anthropocentric assumptions that still linger in discussions like these.
Brain Complexity, Sentience And Welfare, Donald M. Broom
Brain Complexity, Sentience And Welfare, Donald M. Broom
Animal Sentience
Neither sentience nor moral standing is confined to animals with large or human-like brains. Invertebrates deserve moral consideration. Definition of terms clarifies the relationship between sentience and welfare. All animals have welfare but humans give more protection to sentient animals. Humans should be less human-centred.
Moral Treatment For All, Eric Dietrich, Tara Fox Hall
Moral Treatment For All, Eric Dietrich, Tara Fox Hall
Animal Sentience
There is no way to include invertebrates within the moral sphere without being “extreme” — to use Mikhalevich & Powell’s term. This is because of the profound difficulties in correctly attributing sentience. This commentary argues that we have a moral duty to be extreme.
Inhibition Of Pain Or Response To Injury In Invertebrates And Vertebrates, Matilda Gibbons, Sajedeh Sarlak
Inhibition Of Pain Or Response To Injury In Invertebrates And Vertebrates, Matilda Gibbons, Sajedeh Sarlak
Animal Sentience
In certain situations, insects appear to lack a response to noxious stimuli that would cause pain in humans. For example, from the fact that male mantids continue to mate while being eaten by their partner it does not follow that insects do not feel pain; it could be the result of modulation of nociceptive inputs or behavioural outputs. When we try to infer the underlying mental state of an insect from its behaviour, it is important to consider the behavioural effects of the associated physiological and neurobiological mechanisms.
The Definition Of Nonhuman Animal Euthanasia, Daniele Lorenzini
The Definition Of Nonhuman Animal Euthanasia, Daniele Lorenzini
Animal Studies Journal
Under what conditions does the killing of a nonhuman animal qualify as euthanasia? In this paper, I elaborate an original nonprescriptive definition of nonhuman animal euthanasia which avoids the conceptual confusions surrounding the use of this expression. Such a definition imposes strict limitations on the notion of nonhuman animal euthanasia. On the one hand, the nonhuman animal whose life is ended through an act that legitimately qualifies as euthanasia is normally a sentient domestic animal. On the other, the painless and merciful nature of the termination of a nonhuman animal’s life is a necessary but not sufficient condition for it …
Invertebrate Welfare In The Wild, Asher Soryl
Invertebrate Welfare In The Wild, Asher Soryl
Animal Sentience
Mikhalevich & Powell argue that certain cognitive-affective biases might distort people’s consideration of invertebrate minds and that the moral risks of false negatives in sentience research deserve greater consideration under precautionary frameworks. In this commentary, I draw comparisons between biases that concern wild animals and conditions in nature, arguing that the moral risks of disregarding the possible mental welfare of invertebrates are compounded by facts about their lives in the wild.
Intuition And The Invertebrate Dogma, Jonathan Balcombe
Intuition And The Invertebrate Dogma, Jonathan Balcombe
Animal Sentience
Just as intuition, fueled by hubris, led us to exclude insects from moral consideration, so intuition can lead to the opposite conclusion. Observed insect behavior, combined with scientific support for insect consciousness summarized in Mikhalevich & Powell’s target article, and bolstered by the Precautionary Principle, all militate against completely denying moral status to insects.
On The Possibility Of Invertebrate Sentience, David Degrazia
On The Possibility Of Invertebrate Sentience, David Degrazia
Animal Sentience
Mikhalevich & Powell (M&P) set up the basic criteria for according moral status equitably, including the capacity for affect. They argue persuasively against assuming that all invertebrates are insentient and hence ineligible for moral consideration. In addition to the relatively clear case of cephalopods, various arthropods may prove to be sentient. We should be aware of various sources of prejudice that M&P discuss and not assume that it would be absurd to attribute sentience and moral status to certain invertebrates.
Whether Invertebrates Are Sentient Matters To Bioethics And Science Policy, Michael L. Woodruff
Whether Invertebrates Are Sentient Matters To Bioethics And Science Policy, Michael L. Woodruff
Animal Sentience
Mikhalevich & Powell provide convincing empirical evidence that at least some invertebrates are sentient and hence should be granted moral status. I agree and argue that functional markers should be the primary indicators of sentience. Neuroanatomical homologies provide only secondary evidence. Consensus regarding the validity of these functional markers will be difficult to achieve. To be effective in practice, functional markers of sentience will have to be tested and accepted species by species to overcome the implicit biases against extending moral status to invertebrates.
Fish Sentience Denial: Muddying The Waters, Lynne U. Sneddon, Javier Lopez-Luna, David C.C. Wolfenden, Matthew C. Leach, Ana M. Valentim, Peter J. Steenbergen, Nabila Bardine, Amanda D. Currie, Donald M. Broom, Culum Brown
Fish Sentience Denial: Muddying The Waters, Lynne U. Sneddon, Javier Lopez-Luna, David C.C. Wolfenden, Matthew C. Leach, Ana M. Valentim, Peter J. Steenbergen, Nabila Bardine, Amanda D. Currie, Donald M. Broom, Culum Brown
Lynne Sneddon, PhD
Recent empirical studies have reported evidence that many aquatic species, including fish, cephalopods and crustaceans, have the capacity for nociception and pain, and that their welfare should be taken into consideration. Some sceptics, rejecting the precautionary principle, have denied that any study demonstrates pain or other aspects of sentience in fish. This target article discusses some of the scientific shortcomings of these critiques through a detailed analysis of a study exploring nociception and analgesia in larval zebrafish.
Animal Pain And The Social Role Of Science, Leslie Irvine
Animal Pain And The Social Role Of Science, Leslie Irvine
Leslie Irvine, PhD
Assuming that all animals are sentient would mean ending their use in most scientific research. This does not necessarily imply an unscientific or anti-scientific stance. Examining the social role of science reveals its considerable investment in preserving the status quo, including the continued use of animal subjects. From this perspective, the use of animal subjects is a custom that science could move beyond, rather than a methodological requirement that it must defend.