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Articles 361 - 384 of 384
Full-Text Articles in Psychology
What Would The Babel Fish Say?, Monica Gagliano
What Would The Babel Fish Say?, Monica Gagliano
Animal Sentience
Starting with its title, Key’s (2016) target article advocates the view that fish do not feel pain. The author describes the neuroanatomical, physiological and behavioural conditions involved in the experience of pain in humans and rodents and confidently applies analogical arguments as though they were established facts in support of the negative conclusion about the inability of fish to feel pain. The logical reasoning, unfortunately, becomes somewhat incoherent, with the arbitrary application of the designated human criteria for an analogical argument to one animal species (e.g., rodents) but not another (fish). Research findings are reported selectively, and questionable interpretations are …
Pain In Parallel, Peter Godfrey-Smith
Pain In Parallel, Peter Godfrey-Smith
Animal Sentience
Key's (2016) arguments against the view that fish feel pain can be shown to be fallacious by considering some damage-related behaviors in invertebrates. Pain may have different neural bases in different organisms, so the absence in fish of the cortical structures that might underlie pain in mammals does not settle the question of fish pain.
Pain In Fish: Weighing The Evidence, James D. Rose
Pain In Fish: Weighing The Evidence, James D. Rose
Animal Sentience
The target article by Key (2016) examines whether fish have brain structures capable of mediating pain perception and consciousness, functions known to depend on the neocortex in humans. He concludes, as others have concluded (Rose 2002, 2007; Rose et al. 2014), that such functions are impossible for fish brains. This conclusion has been met with hypothetical assertions by others to the effect that functions of pain and consciousness may well be possible through unknown alternate neural processes. Key's argument would be bolstered by consideration of other neurological as well as behavioral evidence, which shows that sharks and ray are fishes …
Falsifying The Null Hypothesis That “Fish Do Not Feel Pain", Brian Key
Falsifying The Null Hypothesis That “Fish Do Not Feel Pain", Brian Key
Animal Sentience
The reader of Animal Sentience may surmise that because the weight of the commentaries on my target article, “Why fish do not feel pain,” is leaning towards not supporting my argument, it follows that the premise "fish do not feel pain" is incorrect. However, science does not prevail by popular opinion. History is plagued with numerous (and often widely accepted) examples of biological phenomena being explained by mysterious forces. In the absence of a mechanistic understanding, the many different guises of vitalism (the principle that life involves a vital energy) are often invoked to explain the unknown. Spurious …
Going Beyond Just-So Stories, Brian Key
Going Beyond Just-So Stories, Brian Key
Animal Sentience
Colloquial arguments for fish feeling pain are deeply rooted in anthropometric tendencies that confuse escape responses to noxious stimuli with evidence for consciousness. More developed arguments often rely on just-so stories of fish displaying complex behaviours as proof of consciousness. In response to commentaries on the idea that fish do not feel pain, I raise the need to go beyond just-so stories and to rigorously analyse the neural circuitry responsible for specific behaviours using new and emerging technologies in neuroscience. By deciphering the causal relationship between neural information processing and conscious behaviour, it should be possible to assess cogently the …
The Object Of Grief, Clark Glymour
The Object Of Grief, Clark Glymour
Animal Sentience
King’s new book is a wonderful collection of diverse anecdotes illustrating the variety of animal practices that are convincing illustrations of grief. Those who want scientific arguments for that conclusion should, however, read elsewhere.
An Invertebrate Perspective On Pain, Jennifer A. Mather
An Invertebrate Perspective On Pain, Jennifer A. Mather
Animal Sentience
Although Key (2016) argues that mammals feel pain and fish do not, from an invertebrate perspective, it is obvious that the pain experience is shared by animals from a number of different animal groups.
Nonhuman Mind-Reading Ability, Marthe Kiley-Worthington
Nonhuman Mind-Reading Ability, Marthe Kiley-Worthington
Animal Sentience
Harnad (2016) is mistaken that humans are better at mind-reading than other species. Humans have context-independent language, but nonhuman species, especially mammals, have context-dependent nonverbal skills – perceptual, communicative and social -- that can be much keener than our own.
Considering Animals’ Feelings: Précis Of Sentience And Animal Welfare (Broom 2014), Donald M. Broom
Considering Animals’ Feelings: Précis Of Sentience And Animal Welfare (Broom 2014), Donald M. Broom
Animal Sentience
The concept of sentience concerns the capacity to have feelings. There is evidence for sophisticated cognitive concepts and for both positive and negative feelings in a wide range of nonhuman animals. All vertebrates, including fish, as well as some molluscs and decapod crustaceans have pain systems. Most people today consider that their moral obligations extend to many animal species. Moral decisions about abortion, euthanasia, and the various ways we protect animals should take into account the research findings about sentience. In addition, all animal life should be respected and studies of the welfare of even the simplest invertebrate animals should …
Sentience And Animal Welfare: Affirming The Science And Addressing The Skepticism, Nancy Clarke
Sentience And Animal Welfare: Affirming The Science And Addressing The Skepticism, Nancy Clarke
Animal Sentience
Broom’s (2014) book is a well-researched and thoroughly written exploration and evaluation of the journey from the origins of animal welfare science to what we can say we now know and need to consider in relation to animal sentience and welfare. This book will help to counter any skepticism among academics and policy makers.
What’S The Common Sense Of Just Some Improvement Of Some Welfare For Some Animals?, Liv Baker
What’S The Common Sense Of Just Some Improvement Of Some Welfare For Some Animals?, Liv Baker
Animal Sentience
The goal of Animal Welfare Science to reduce animal suffering is commendable but too modest: Suffering animals need and deserve far more.
Why Fish Do Not Feel Pain, Brian Key
Why Fish Do Not Feel Pain, Brian Key
Animal Sentience
Only humans can report feeling pain. In contrast, pain in animals is typically inferred on the basis of nonverbal behaviour. Unfortunately, these behavioural data can be problematic when the reliability and validity of the behavioural tests are questionable. The thesis proposed here is based on the bioengineering principle that structure determines function. Basic functional homologies can be mapped to structural homologies across a broad spectrum of vertebrate species. For example, olfaction depends on olfactory glomeruli in the olfactory bulbs of the forebrain, visual orientation responses depend on the laminated optic tectum in the midbrain, and locomotion depends on pattern generators …
Pain And Fish Welfare, Eliane Gonçalves-De-Freitas
Pain And Fish Welfare, Eliane Gonçalves-De-Freitas
Animal Sentience
The evolutionary approach of Key’s (2016) target article, generically comparing humans with fish of all kinds, is simplistic. The author ignores published research on structural and molecular aspects of pain in fish. The target article reads more like a selective polemic against fish welfare than an even-handed analysis.
Understanding Emotional Suffering, Barbara J. King
Understanding Emotional Suffering, Barbara J. King
Animal Sentience
In responding to insightful commentaries from 7 scholars, for which I am grateful, I offer new thoughts on whether animals can conceptualize and express signs of grief. I also discuss why I included both weak and strong examples of animal mourning, and how this work may help us think about enhanced welfare for animals, including freedom from emotional suffering.
Is Sentience Only A Nonessential Component Of Animal Welfare?, Ian J.H. Duncan
Is Sentience Only A Nonessential Component Of Animal Welfare?, Ian J.H. Duncan
Animal Sentience
According to Broom (2014), animal welfare is a concept that can be applied to all animals, including single-celled organisms that are obviously not sentient. Such a stance makes it difficult to draw a connection between welfare and sentience, and that is the book’s downfall. Some excellent points are made about sentience and there are very good discussions on animal welfare. However, unless sentience is considered the essential component of welfare, any attempt to link the two phenomena will be unsuccessful — and that, indeed, is the case with this book.
How Welfare Biology And Commonsense May Help To Reduce Animal Suffering, Yew-Kwang Ng
How Welfare Biology And Commonsense May Help To Reduce Animal Suffering, Yew-Kwang Ng
Animal Sentience
Welfare biology is the study of the welfare of living things. Welfare is net happiness (enjoyment minus suffering). Since this necessarily involves feelings, Dawkins (2014) has suggested that animal welfare science may face a paradox, because feelings are very difficult to study. The following paper provides an explanation for how welfare biology could help to reduce this paradox by answering some difficult questions regarding animal welfare. Simple means based on commonsense could reduce animal suffering enormously at low or even negative costs to humans. Ways to increase the influence of animal welfare advocates are also discussed, focusing initially on farmed …
Why Animal Welfarism Continues To Fail, Lori Marino
Why Animal Welfarism Continues To Fail, Lori Marino
Animal Sentience
Welfarism prioritizes human interests over the needs of nonhuman animals. Despite decades of welfare efforts other animals are mostly worse off than ever before, being subjected to increasingly invasive and harmful treatments, especially in the factory farming and biomedical research areas. A legal rights-based approach is essential in order for other animals to be protected from the varying ethical whims of our species.
End-State Welfarism, Joel Marks
End-State Welfarism, Joel Marks
Animal Sentience
Yew-Kwang Ng’s research is the work of an obviously sincere, intelligent, and conscientious animal advocate. But I am unable to accept his starting assumption that animal welfare is an appropriate basis for animal ethics. More specifically I argue that animal welfare as a means to animal liberation is an issue that can be debated, but animal welfare as the ultimate end or goal of animal advocacy is misguided.
Zoo Research, Amanda Shyne
Capitalism And The Value Of Life: Foot-And-Mouth And The Culling Of Herds, Ibpp Editor
Capitalism And The Value Of Life: Foot-And-Mouth And The Culling Of Herds, Ibpp Editor
International Bulletin of Political Psychology
This article describes some psychological implications of culling as an intervention to help combat the spread of foot-and-mouth disease.
Stress: What Is It And How Can It Be Quantified?, T. H. Friend
Stress: What Is It And How Can It Be Quantified?, T. H. Friend
International Journal for the Study of Animal Problems
An animal may be considered to be in a state of stress if abnormal behavior or extreme adjustments in its behavior or physiology are necessary in order to cope with adverse aspects of its environment. Methods used to determine if an animal is stressed can be either behavioral or physiological. Behavioral methods may be highly erroneous due to their subjective nature since alterations in behavior do not necessarily prove that an animal is stressed. There is no single measure of stress that can be used in all situations at this time. Every measure must be critically evaluated to ensure that …
Ethology And Laboratory Animal Welfare, James A. Cohen
Ethology And Laboratory Animal Welfare, James A. Cohen
International Journal for the Study of Animal Problems
No abstract provided.
The Psychological Relations Hip Between Dairy Cows And Dairy Cowmen And Its Implications For Animal Welfare, Martin F. Seabrook
The Psychological Relations Hip Between Dairy Cows And Dairy Cowmen And Its Implications For Animal Welfare, Martin F. Seabrook
International Journal for the Study of Animal Problems
No abstract provided.
The Effect Of Stress On Livestock And Meat Quality Prior To And During Slaughter, Temple Grandin
The Effect Of Stress On Livestock And Meat Quality Prior To And During Slaughter, Temple Grandin
International Journal for the Study of Animal Problems
The effects of stress on cattle, pigs and sheep prior to slaughter are reviewed. Long-term preslaughter stress, such as fighting, cold weather, fasting and transit, which occurs 12 to 48 hours prior to slaughter depletes muscle glycogen, resulting in meat which has a higher pH, darker color, and is drier. Short-term acute stress, such as excitement or fighting immediately prior to slaughter, produced lactic acid from the breakdown of glycogen. This results in meat which has a lower pH, lighter color, reduced water binding capacity, and is possibly tougher. Psychological stressors, such as excitement and fighting, will often have a …