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Articles 61 - 90 of 350
Full-Text Articles in Cognitive Neuroscience
Octopus Minds Must Lead To Octopus Ethics, Barbara J. King, Lori Marino
Octopus Minds Must Lead To Octopus Ethics, Barbara J. King, Lori Marino
Animal Sentience
Mather argues convincingly for the existence of minds in octopuses based largely on laboratory experiments. Many of these experiments are highly invasive and involve mutilation and death. Moreover, octopuses are now being hailed as a “new model” for biological research and are being enthusiastically bred in captivity, both for research and for food. We argue that the compelling evidence for mind in octopuses must be accompanied by intense scrutiny of the ethics that shape how we treat them and that the intrinsic value of their individual lives must be recognized.
‘Mind’ Is An Ill-Defined Concept: Considerations For Future Cephalopod Research, Alexandra Schnell, Giorgio Vallortigara
‘Mind’ Is An Ill-Defined Concept: Considerations For Future Cephalopod Research, Alexandra Schnell, Giorgio Vallortigara
Animal Sentience
Scientific discussions about the ‘mind’ of an octopus are empirically vacuous and should be confined to folk psychology. This form of labelling is unhelpful for science and should be replaced by specific mechanistic accounts of behavior and associated neural structures, which are amenable to rigorous scientific investigation. Mather provides a detailed review of octopus behavior, but rather than making unquantifiable assumptions about what orchestrates octopus behavior, efforts should focus on investigating cognitive mechanisms that can be measured. In this commentary, we outline two lines of research that include quantifiable methods to facilitate a more robust understanding of cephalopod behaviors and …
Octopus Experience, Peter Godfrey-Smith
Octopus Experience, Peter Godfrey-Smith
Animal Sentience
The first part of this commentary attempts to get "inside" the octopus mind a little further than Mather does, drawing on her description of octopus cognition in many places but diverging in others. The second part outlines other disagreements with her account of the animals, especially in the area of social behavior.
The Octopus Mind And The Argument Against Farming It, Jennifer Jacquet, Becca Franks, Peter Godfrey-Smith
The Octopus Mind And The Argument Against Farming It, Jennifer Jacquet, Becca Franks, Peter Godfrey-Smith
Animal Sentience
Mather is convincing about octopuses having ‘a controlling mind, motivated to gather information,’ but stops short of asking what having that mind means for octopus moral standing. One consequence of understanding the octopus mind should be a refusal to subject octopuses to mass production. Octopus farming is in an experimental phase and supported by various countries. We argue that it is unethical because of concerns about animal welfare as well as environmental impacts.
Octopus Intelligence: The Importance Of Being Agnostic, Piero Amodio
Octopus Intelligence: The Importance Of Being Agnostic, Piero Amodio
Animal Sentience
Mather’s (2019) provocative claim that octopuses have a mind hinges on the inference that their striking behavioural flexibility is evidence of “complex” cognitive abilities. I discuss alternative explanations — not to deny the possibility of complexity but to point out that current evidence does not allow us to draw firm conclusions. Only an agnostic approach will lead to the systematic investigation of octopus behaviour and ultimately, greater insights into the cognitive capacities of these fascinating creatures.
Keeping Hold Of Nurse, Andrew Packard
Keeping Hold Of Nurse, Andrew Packard
Animal Sentience
Mather draws from a lifetime devoted to studying individual octopuses in the wild and in aquaria to combine a natural history account of their actions with an argument from design adopted from second-, often third-hand sources. The 'distributed' [decentralised] nervous system said to contrast with that of vertebrates – a premise largely accepted by Mather’s commentators so far – does not reflect the original literature on motor control, nor the facts of comparative anatomy, functional morphology and morphogenesis. Ontogeny is absent. With the help of some old or little-known illustrations from my own participant-observer experimental investigations, I will try here …
What We Don't Know About Cephalopods And How To Define It, Catia Correia Caeiro
What We Don't Know About Cephalopods And How To Define It, Catia Correia Caeiro
Animal Sentience
Despite the reputation of octopuses as intelligent animals, their cognitive abilities seem to be mostly unknown. This should be the starting point of a long process of scientific enquiry about these taxa, which must include discussions on operational definitions first and foremost. Discussing octopus mind might prove fruitless without more basic concepts. Some approaches are suggested here.
Octopus: Multiple Minds Or Just A Slow Thinker?, Shelley A. Adamo
Octopus: Multiple Minds Or Just A Slow Thinker?, Shelley A. Adamo
Animal Sentience
An octopus has more neurons in their peripheral nervous system (PNS) than in their brain. PNS neurons could participate in forming cognitive networks with the central brain in the same way that the cerebellum is now thought to contribute to mammalian cognition. However, cephalopods lack myelinated fibres, which might decrease the ability of the PNS to participate in cognitive networks. The lack of myelinated fibres may also select for a less integrated brain, with an increased emphasis on local information processing. Alternatively, integration may still occur across distant neural centers, but proceed more slowly in cephalopods than in mammals.
Octopus Sentience: Three Criteria, Alix Noël-Guéry
Octopus Sentience: Three Criteria, Alix Noël-Guéry
Animal Sentience
The first question to ask is whether octopuses are sentient, so that, if so, they can be protected. Three consensual criteria to evaluate animal sentience can be applied to the octopus. Octopuses meet all three of them.
What And Where Is An Octopus’S Mind?, Jennifer A. Mather
What And Where Is An Octopus’S Mind?, Jennifer A. Mather
Animal Sentience
It is gratifying to see the thorough discussion of whether octopuses have a mind, though perhaps a mind that is different from those of “higher” vertebrates. It stimulates us to look at the welfare of these animals and challenges us to find better ways to test mindfulness and cognition across animals with widely differing natural histories and sensory and motor capacities.
Developmental Aspects Of Capacities, Karen Bartsch
Developmental Aspects Of Capacities, Karen Bartsch
Animal Sentience
Chapman & Huffman suggest that judgments of human superiority underlie our cruelty to animals. It might be useful to examine how such judgments operate within the human community. Children arguably have a potential for developing “superior” capacities but are outperformed on many tasks by animals. There is a continuum of development in children’s capacities. Perhaps there are interspecies evolutionary continua too. This highlights the complexity of reasoning about humans, animals, and moral inclusion.
More Evidence Of Complex Cognition In Nonhuman Species, Lesley J. Rogers
More Evidence Of Complex Cognition In Nonhuman Species, Lesley J. Rogers
Animal Sentience
Chapman & Huffman have highlighted observations of animals performing, in nature, complex behaviour once thought to be unique to humans. Just as relevant to their argument are examples of cognition shown by domesticated species tested in controlled conditions. These strengthen the case for human/nonhuman similarities in behaviour and cognition. Recent research has brought to our attention the ability of nonhuman species to perform many tasks previously considered to be the hallmark of humans. Even though different species may use different ways of solving these tasks, the very fact that they can do it undermines the notion of human superiority.
Unique In Degree Not Kindness, Jennifer Vonk
Unique In Degree Not Kindness, Jennifer Vonk
Animal Sentience
Humans are certainly unique among living species. This is evident in the transformation of human environments and its resulting impact on other animals. However, many of the traits unique to humans are costly as well as adaptive and should certainly not be used to elevate their status above that of other species.
Mirror Neurons And Humanity’S Dark Side, Gisela Kaplan
Mirror Neurons And Humanity’S Dark Side, Gisela Kaplan
Animal Sentience
The last two decades have revealed brain mechanisms in birds and primates showing that, contrary to earlier prejudices, some birds can do things (cognitive and affective) on par with or even better than great apes and humans. The old dichotomies are breaking down; but the dark side is that these insights come at a time in the Anthropocene when humans have caused and continue to cause mass extinctions.
Humans May Be Unique And Superior — And That Is Irrelevant, Eze Paez
Humans May Be Unique And Superior — And That Is Irrelevant, Eze Paez
Animal Sentience
Chapman & Huffman argue that, because humans are neither unique nor superior to the other animals, cruelty to animals is not justified. Though I agree with their conclusion, I do not think their argument works. Many human beings do have some capacities that animals do not have and are greater in some respects, in the sense of having superior abilities. It is a better argument to deny that any of that is morally relevant. Sentience suffices for moral consideration, and for deriving a moral duty not to harm other animals and to assist them when they are in need.
Humans Have Always Been Unique!, William C. Mcgrew
Humans Have Always Been Unique!, William C. Mcgrew
Animal Sentience
Arguments about human uniqueness apply not only to extant species but also to extinct ones, that is, the hominin predecessors of anatomically modern Homo sapiens. Thus, unique and superior are doubly relative terms, in past and present. The scope for empirical comparison faces a spectrum of difficulty, from material (e.g., artefacts) to non-material (e.g., concepts) phenomena.
Phooey On Comparisons, Gwen J. Broude
Phooey On Comparisons, Gwen J. Broude
Animal Sentience
Chapman & Huffman reject the notion that human beings are very different from other animals. The goal is to undermine the claim that human uniqueness and even superiority are reason enough to treat other animals badly. But evaluating human uniqueness for this purpose only plays into the hands of those who exploit invidious comparisons between us and other animals to justify mistreatment of the rest of the animal kingdom. What human uniqueness we may discover would still be no justification for how we behave toward other animals. We should also ask ourselves whether any human-centric criterion can be justification for …
Anthropomorphism Is The First Step, Marthe Kiley-Worthington
Anthropomorphism Is The First Step, Marthe Kiley-Worthington
Animal Sentience
Individuals have intentions, beliefs and choices. This sense of “personhood” has been known and used for centuries by those who have dealt professionally with any nonhuman mammal. All mammals have a lot in common physically and mentally. The first step toward understand another species’ point of view is anthropomorphism.
Taking Exception To Human Exceptionalism, Carrie P. Freeman
Taking Exception To Human Exceptionalism, Carrie P. Freeman
Animal Sentience
Chapman & Huffman refute common claims used to justify human species distinctions, and they critique the animal cruelty that has resulted from this privileged status. I raise related questions for further study of the roots of human exceptionalism and about whether aspiring to be more like our fellow animals might be part of the solution.
Sharing Emotions Builds Bridges Between Individuals And Between Species, Elisabetta Palagi
Sharing Emotions Builds Bridges Between Individuals And Between Species, Elisabetta Palagi
Animal Sentience
Many animal species express, perceive and share emotions. These abilities have been favoured by natural selection because they allow subjects to respond to various situations in an appropriate way, thus facilitating survival and increasing fitness. The same-face/same-emotion phenomenon is at the basis of sharing feelings and emotions. Recent studies show that this capacity is not unique to humans and that it plays an important role in creating cohesive societies in many different species.
Phenotypic Similarity And Moral Consideration, S. Brian Hood, Sophia Giddens
Phenotypic Similarity And Moral Consideration, S. Brian Hood, Sophia Giddens
Animal Sentience
Identifying specific traits to justify according differential moral status to humans and non-human animals may be more challenging than Chapman & Huffman suggest. The reasons for this also go against their recommendation that we ought to attend to how humans and non-humans are similar. The problem lies in identifying the moral relevance of biological characteristics. There are, however, other reasons for treating non-human animals as worthy of moral consideration, such as the Precautionary Principle.
Is Human Uniqueness Fake News?, Sean Hermanson
Is Human Uniqueness Fake News?, Sean Hermanson
Animal Sentience
The world and its troubles don't need unfounded denials of human uniqueness.
“I Am Not An Animal”, Lori Marino
“I Am Not An Animal”, Lori Marino
Animal Sentience
The answer to Chapman & Huffman’s question — “Why do we want to think humans are different?” — lies in the work of Ernest Becker and the social psychology literature known as Terror Management Theory, according to which our deep anxiety about animality and death can drive our need to feel superior to the other animals.
Across The Great Divide, Debra Merskin
Across The Great Divide, Debra Merskin
Animal Sentience
Chapman & Huffman’s target article calls for a reevaluation of claims of human uniqueness and superiority. It also adds to the literature on how species differences, as Darwin noted, are more of degree than kind. The threats to environmental health and species survival are a consequence of excluding nonhuman animals from moral concern and consideration. The theory of intersectionality should include speciesism in the array of discriminatory practices.
Animal Cognition: Quantity Has A Quality Of Its Own, Ivaylo Borislavov Iotchev, Kauê Machado Costa
Animal Cognition: Quantity Has A Quality Of Its Own, Ivaylo Borislavov Iotchev, Kauê Machado Costa
Animal Sentience
Chapman & Huffman’s moral analysis fails to prove that the exploitation of animals or the environment is causally connected to beliefs about human capacities. Their exposition of the philosophical interpretations of animal cognition ignores historical context and confounds different levels of analysis. Their analysis of the scientific literature, from which they conclude that humans should not be considered as different from other animals, does not take into account many recent psychological and neuroscientific developments and rests upon a flawed understanding of the relationship between gradual and categorical differences, misrepresenting the two as mutually exclusive concepts.
Corticocentric Bias In Cognitive Neuroscience, Orit Nafcha, Shai Gabay
Corticocentric Bias In Cognitive Neuroscience, Orit Nafcha, Shai Gabay
Animal Sentience
Chapman & Huffman (2018) note that our tendency to categorize leads to a sense of human superiority that helps justify violence against nonhuman animals. Yet animals are turning out to have capacities previously thought to be uniquely human. We add a further factor that may contribute to the false sense of human superiority: the "corticocentric" bias of neuroscience. An evolutionary approach may help identify species similarities and differences, providing a better understanding of the uniqueness of each species.
Taking Darwinism Seriously, Carsta Simon
Taking Darwinism Seriously, Carsta Simon
Animal Sentience
Chapman & Huffman propose that dropping the categorical distinction between human and nonhuman animals may reduce the atrocious acts of humans towards nonhuman animals, but will it? Taking Darwinism seriously means accepting physical and behavioral continuity across species, including the capacity to feel pain.
Intelligence, Complexity, And Individuality In Sheep, Lori Marino, Debra Merskin
Intelligence, Complexity, And Individuality In Sheep, Lori Marino, Debra Merskin
Animal Sentience
Domestic sheep (Ovis aries) are among the earliest animals domesticated for human use. They are consumed worldwide as mutton, hogget, and lamb, kept as wool and milk producers, and used extensively in scientific research. The popular stereotype is that sheep are docile, passive, unintelligent, and timid, but a review of the research on their behavior, affect, cognition, and personality reveals that they are complex, individualistic, and social.
Sacrificial Lambs, Clive Phillips
Sacrificial Lambs, Clive Phillips
Animal Sentience
Sheep evolved from the mouflon as mountain animals, able to escape predation by leaping between rock ledges. Their defense was their agility. Humans brought them to the plains, where the agility was less useful, but their lack of aggression, speed or weaponry against predators made them a prime target to become one of man’s meat providers. A perfect animal in many ways, with extraordinary perceptive powers and some remarkable cognitive skills, they are often treated with complete disregard for their welfare. Yet sheep themselves won’t tell us this, for a sheep that alerted others to its weakness really would be …
Pulling The Wool From Our Eyes, Jennifer Vonk
Pulling The Wool From Our Eyes, Jennifer Vonk
Animal Sentience
Marino & Merskin review evidence of the complexity of sheep cognition, concluding that researchers ought to feel sheepish about misrepresenting ovine cognitive capacities. However, the failure to situate the data in critical context risks pulling the wool over readers’ eyes.