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Articles 1 - 30 of 494
Full-Text Articles in Psychology
Why Do We Need To Prove That Pigs Feel?, Aranza Vera-Espinoza, Nancy Harlet Esquivel-Marín
Why Do We Need To Prove That Pigs Feel?, Aranza Vera-Espinoza, Nancy Harlet Esquivel-Marín
Animal Sentience
Birch's framework manages uncertainty but overlooks the likelihood that citizen panels have speciesist biases that reduce precaution to mere harm-management even in species that undoubtedly feel.
What Does Sentience Mean At The Neural Level?, Björn Brembs
What Does Sentience Mean At The Neural Level?, Björn Brembs
Animal Sentience
Jonathan Birch's (2025) LSE criteria for sentience include motivational trade-offs, exemplified by C. elegansweighing hunger against desiccation risk. Yet once the neural circuit is known, this "trade-off" reduces to a single inhibitory synapse—an ‘elemental’ account discrediting the ‘molar’ one. My commentary illustrates the same discrepancy in Drosophila: dopaminergic ramping during courtship as it progressively suppresses threat-detecting neurons; so persistence past danger reflects recalibrated valuation rather than a weighed decision. As neurobiology increasingly discovers such discrepancies, all criteria resting on behavioral classifications risk being defined away without altering the behavior's validity.
Natural Behavior Vs. Subjective Experience In Fish Welfare Assessments, Ronald G. Oldfield
Natural Behavior Vs. Subjective Experience In Fish Welfare Assessments, Ronald G. Oldfield
Animal Sentience
Several commentaries on the Oldfield & Bonano (2024) target article proposed that natural behavior should play a larger role in assessing the welfare of fishes in zoos and aquariums. However, the natural-behavior concept of animal welfare has been widely criticized because natural behaviors do not necessarily improve welfare, and unnatural behaviors do not necessarily reduce it. I review the three major concepts of animal welfare — physical health, natural behavior, and affect/feelings — and argue that behavior patterns, whether natural or otherwise, should be evaluated according to their effects on health and subjective experience. Using the affect/feelings concept and the …
Artificial Sentience: The Other Side Of The Story, Amanda Sharkey
Artificial Sentience: The Other Side Of The Story, Amanda Sharkey
Animal Sentience
There is another side to the story of the account of artificial sentience — one that makes the possibility of artificial sentience unlikely: the fundamental difference between living bodies and artificial systems. Sentience occurs in strongly embodied, living entities, and not in disembodied artificial systems, nor in robots. The appearance of sentience is exacerbated by deceptive behaviour and anthropomorphism. The risks of keeping an open mind about the required underlying substrate are in wasted efforts to protect systems that cannot suffer, and in placing inappropriate trust in their abilities.
Both Studying And Protecting Octopuses “On Their Own Terms”, Jennifer Jacquet, Janelle Kaz, Becca Franks, Christine Webb
Both Studying And Protecting Octopuses “On Their Own Terms”, Jennifer Jacquet, Janelle Kaz, Becca Franks, Christine Webb
Animal Sentience
Cephalopods – indeed, all animals – “must be seen on their own terms,” with respect for their autonomy and their ecological imperatives. This will provide greater scientific insight along with a more ethical and accurate understanding of minds beyond our own.
Cephalopod Consciousness On “Their Own Terms”: Who Are “They”?, Willa M. Lane, Victor Ajuwon, Nicola S. Clayton
Cephalopod Consciousness On “Their Own Terms”: Who Are “They”?, Willa M. Lane, Victor Ajuwon, Nicola S. Clayton
Animal Sentience
Mather’s call to consider cephalopods’ consciousness “on their own terms” raises the question of the extent to which cephalopods can be considered a homogenous group. While coloeoid cephalopods share traits that strongly distinguish them from other molluscs and invertebrates, they show vast ecological and morphological diversity, with implications for the design of empirical investigations of consciousness. Extending Mather’s argument, we apply Birch et al.’s (2020) five-dimensional model to compare octopus, cuttlefish, squid, and nautilus. This comparison shows that even within a graded rather than categorical framework, putative consciousness profiles depend on which taxa are included in discussions of “cephalopod consciousness.” …
The Term Consciousness And Impressive Evidence For Cephalopod Awareness, Donald M. Broom
The Term Consciousness And Impressive Evidence For Cephalopod Awareness, Donald M. Broom
Animal Sentience
Mather presents comprehensive evidence of cephalopod cognitive ability and of a high level of awareness. The importance of taking account of the biological functioning and adaptations to the living environment is emphasised. An argument is presented that it is better to limit the use of the word conscious to ‘not unconscious’ and to use awareness in relation to the various levels of cognitive functioning.
The Consciousness Inherent In Chasing Your Tail, Sergio M. Pellis Dr.
The Consciousness Inherent In Chasing Your Tail, Sergio M. Pellis Dr.
Animal Sentience
Who is conscious and how do we know? Complexity in behavior and cognition is certainly a clue that cannot be ignored in identifying this trait, and as Mather’s target article shows, it is hard not to imagine consciousness arising in cephalopods. But how complex is complex? An alternative may be gleaned from the fact that all living things rely on negative feedback to navigate their worlds, and this requires all sentient beings knowing what is to be stabilized in reflection to themselves. If so, consciousness is a universal trait.
Consciousness Below Scuba Depths, Michael Vecchione
Consciousness Below Scuba Depths, Michael Vecchione
Animal Sentience
Abstract: Jennifer Mather has nicely summarized what is known about consciousness in shallow water octopods as well as what is known about shallow water squids and cuttlefish. However, once she gets below SCUBA depths, she misses out on most of cephalopod diversity. I have attempted to add this aspect and perhaps some evolutionary biology to this target article.
Cephalopod Consciousness: Asking The Right Questions, Gordon Burghardt
Cephalopod Consciousness: Asking The Right Questions, Gordon Burghardt
Animal Sentience
Jennifer Mather has provided a comprehensive and fascinating overview of the various cognitive accomplishments of cephalopods and their sensory, behavioral, and neurophysiological attributes. The advances in our understanding of a clade that has been separated from vertebrate evolution by well over half a billion years is a testament to advances in both methodology and the questions we now feel free to address. Mather embeds her review in the issue of consciousness, which is certainly a perennial issue in mental evolution, going back to Romanes and earlier. I argue that the term “consciousness” has such a checkered history and is used …
Précis Of The Edge Of Sentience: Risk And Precaution In Humans, Other Animals, And Ai, Jonathan Birch
Précis Of The Edge Of Sentience: Risk And Precaution In Humans, Other Animals, And Ai, Jonathan Birch
Animal Sentience
We often face grave practical decisions that seem to hinge on whether a system is sentient. This family of cases includes invertebrate animals, people who are unresponsive after brain injury, fetuses, neural organoids, and now AI technologies. We must decide what to do despite ongoing disagreement about the nature of sentience. In our state of uncertainty, we should pragmatically transform the question from “Is it sentient?” to “Is it a sentience candidate, an investigation priority, or neither?”. When a system is a sentience candidate, it is negligent to fail to consider precautions. We should instead evaluate precautions for their proportionality …
Griffin's Slow Burn Revolution In Philosophy And Comparative Cognition, Kristin Andrews
Griffin's Slow Burn Revolution In Philosophy And Comparative Cognition, Kristin Andrews
Animal Sentience
Ristau presents Griffin as launching a scientific revolution supported by philosophical insights. This commentary focuses on two points: Griffin as a scientific revolutionary, although the cognitive ethology revolution is not yet complete; and on the immense influence Griffin had, and continues to have, on philosophy.
What Is It Like To Be A Diplomat? Reflections On Donald Griffin And Emotion, Oliver H. Turnbull
What Is It Like To Be A Diplomat? Reflections On Donald Griffin And Emotion, Oliver H. Turnbull
Animal Sentience
This commentary addresses three aspects of Donald Griffin’s work: (1) his thoughts beyond cognition, on emotion; (2) his views on the earliest origins of mind, including primitive forms of consciousness; and (3) his diplomatic use of memorable phrases to facilitate change.
Can Animal Consciousness Be Resolved Scientifically?, Yoram Gutfreund
Can Animal Consciousness Be Resolved Scientifically?, Yoram Gutfreund
Animal Sentience
Carolyn Ristau's biography of Donald Griffin is a comprehensive work that sheds light on a seminal chapter in the history of ethology—the ambitious attempt to establish a research field dedicated to animal consciousness. Although Donald Griffin's endeavor ultimately fell short of its revolutionary goals, it catalyzed significant progress in understanding evolution and mechanisms of animal cognition.
Beyond Human Perception: The Remarkable Science Of Donald R. Griffin, Gareth Jones
Beyond Human Perception: The Remarkable Science Of Donald R. Griffin, Gareth Jones
Animal Sentience
Carolyn Ristau shows how Donald Griffin’s revolutionary science sometimes progressed from ridicule, to opposition, to being self-evident. Griffin’s work involved phenomena beyond human perception, making it sometimes difficult for others to fathom. His work on ultrasonic echolocation, navigation and animal cognition has shifted established paradigms. His ‘zoomorphic’ approach provides a realistic framework for understanding how other animals perceive the world.
Social Learning And Cultural Enrichment For Fish Welfare, Chiawen Chiang, Becca Franks
Social Learning And Cultural Enrichment For Fish Welfare, Chiawen Chiang, Becca Franks
Animal Sentience
This commentary examines how understanding animal culture—shared behaviors and knowledge transmitted through social learning—plays a role in advancing welfare practices for captive fishes. Despite extensive evidence of fishes' complex sociocultural capacities, their psycho-social needs remain underestimated and unmet in zoos and aquaria. We explore what considering fish culture might mean for welfare practices: diverse social learning opportunities, cultural development, and thoughtful group management. More knowledge about wild fishes' lives will help bridge the gap between their full, complex lives and current captive welfare practices.
Donald Griffin: A Visionary In Science And Consciousness, Brock Fenton
Donald Griffin: A Visionary In Science And Consciousness, Brock Fenton
Animal Sentience
I share some reflections on a sabbatical with Donald Griffin a half-century ago, with fieldwork on bats and echolocating swiftlets in Australia and our discussions of animal behavior and consciousness. Griffin's influence has been vast, from recent advances in bat research, including learning, navigation, and longevity, to his enduring legacy as a pioneer in animal cognition.
Why Is Fish Welfare Still So Neglected?, Caroline M. Maia
Why Is Fish Welfare Still So Neglected?, Caroline M. Maia
Animal Sentience
Oldfield & Bonano (O&B) address an important problem in the field of fish welfare, one that calls for greater attention from scientists and practitioners. O&B show that fish welfare, particularly at the psychological level, is under-investigated. They focus mainly on zoos and aquaria, but their concerns extend also to other domains, including fish farming. Fish are sentient animals; priority should be given to their welfare in all environments where they are under human care.
Objective Bat Phenomenology, Thomas Nagel
Objective Bat Phenomenology, Thomas Nagel
Animal Sentience
Our discussions prompted Donald Griffin to campaign for the recognition of animal consciousness as a subject for scientific investigation. Ristau shows how much has since been discovered about the experiences of bats and other creatures, by Griffin and others, in spite of the limits to full knowledge imposed by our biological differences. But Ristau seriously misrepresents me as holding that we can know nothing about what it is like to be a bat, whereas these results are precisely of the kind I envisioned in proposing an “objective phenomenology.”
Communication In Noise Is The Window On Cognition, R. Haven Wiley
Communication In Noise Is The Window On Cognition, R. Haven Wiley
Animal Sentience
As Griffin surmised, communication is the window on cognition, but as shown here, only if it is noisy. This commentary is an invitation to consider the full implications of the evolution of noisy communication. A combination of Information Theory, Signal Detection Theory, and Natural Selection, in a unified theory of the evolution of communication, reveals that noise is inevitable. All organisms are thus decision makers. Perception, thought, freedom of decision, self-awareness, metabolism, and natural selection all share the consequences of signals in noise. A full understanding of each requires attention to the errors of receivers. Griffin’s hunch is correct with …
Attempting To Answer The Question Of Animal Awareness, Alexandra Horowitz
Attempting To Answer The Question Of Animal Awareness, Alexandra Horowitz
Animal Sentience
It was as a graduate student that I first encountered the work of both Donald Griffin and Carolyn Ristau. Griffin's The Question of Animal Awareness (1976) and Animal Minds (2001) helped a budding animal-minds researcher appreciate both the possibilities of studying non-human animal consciousness and the struggle that such an undertaking would face. Now Ristau's (2024a,b) timely biography helps explain how Griffin became the figure in animal cognition that he is.
Donald Griffin, Sentience, And Animal Research Ethics, John Gluck
Donald Griffin, Sentience, And Animal Research Ethics, John Gluck
Animal Sentience
Recollection of early encounters with Donald Griffin’s pioneering work on animal awareness, provoking intense, often hostile academic responses, later forgotten.
Can We Use Judgement Bias To Assess The Welfare Of Fish In Aquariums And Zoos?, Culum Brown
Can We Use Judgement Bias To Assess The Welfare Of Fish In Aquariums And Zoos?, Culum Brown
Animal Sentience
This commentary examines the potential of tests of judgment bias to assess fish welfare in aquariums and zoos. Judgment bias offers a non-invasive approach to interpreting affective states in animals, using cognitive responses to ambiguous stimuli as indicators of mental wellbeing. Despite the constraints of captive environments—such as limited handling and species diversity in exhibits—recent adaptations of judgment-bias protocols make them suitable across taxa, including fishes. Collaborations with progressive zoos and aquariums could facilitate this research, based on the shared goal of enhancing animal welfare and promoting public education.
Précis Of: "Birds, Bats And Minds: Tales Of A Revolutionary Scientist, Donald R. Griffin", Carolyn A. Ristau
Précis Of: "Birds, Bats And Minds: Tales Of A Revolutionary Scientist, Donald R. Griffin", Carolyn A. Ristau
Animal Sentience
Donald Griffin co-discovered bat sonar and founded the field of echolocation. He studied bird migration and founded Cognitive Ethology, the study of animal awareness and mental experiences. In all these endeavors, he faced hostile opposition. The biography (Ristau 2024) examines Griffin's life and the scientific explorations by him and others in these fields. This Précis emphasizes his arguments and supporting evidence for animal consciousness as well as his later research. Griffin considered the inhibiting assumptions made by scientists, including Cartesian views, the misunderstanding of innate behaviors, prejudice against lower animals, concern with violations of parsimony, and the assertions of the …
Species Vary In Within-Species Variability, Jennifer Vonk
Species Vary In Within-Species Variability, Jennifer Vonk
Animal Sentience
Owens et al. (2024) add to the growing voices stressing the importance of considering individual differences in animal welfare and conservation. I advocate for an additional emphasis on the importance of between species comparisons of the degree of individual variation in cognition and emotion within species. A better understanding of the factors predicting within-species variability will help conservationists target their efforts. Additionally, I caution against invoking circularity in using “behavioural traits” to predict related behaviours.
Precommentary: Animal Personality Needs Animal Sentience, Ralph Adolphs, Yue Xu
Precommentary: Animal Personality Needs Animal Sentience, Ralph Adolphs, Yue Xu
Animal Sentience
We are grateful to Owens, Bryja & Bekoff (2024) for their important discussion of individual differences in animals, emphasizing the role of personality in conservation, wildlife research, and wellbeing. But their emphasis also raises new challenges: How should we conceive of personality in nonhuman species? what modern tools could be leveraged to best measure it? and, perhaps most important of all: how can we ensure that the conscious experience of animals — their capacity for wellbeing and for suffering — is not forgotten along the way? We touch on each of these challenges in this invited Precommentary in the hope …
Complexities Of Consistent Individual Behavioral Differences In Effective Wildlife Management, Nathalie R. Sommer
Complexities Of Consistent Individual Behavioral Differences In Effective Wildlife Management, Nathalie R. Sommer
Animal Sentience
The study of animal personality, or consistent individual behavioral differences, has faced numerous challenges since its inception, including terminological disputes, labor-intensive methodologies, and notable retractions. This commentary explores the mechanisms behind personality traits, questioning the link between personality and sentience, and highlights the bias towards megafauna in wildlife management. It underscores the ecological and ethical significance of considering arthropod personalities and the complexities of integrating personality into wildlife reintroductions. Caution is advised in generalizing personality effects, and the limitations of current measurement techniques are discussed, suggesting that personality traits should be one of many factors in comprehensive management strategies.
Don Griffin And The Early Days Of Cognitive Ethology, Gordon M. Burghardt
Don Griffin And The Early Days Of Cognitive Ethology, Gordon M. Burghardt
Animal Sentience
Carolyn Ristau’s trilogy provides a comprehensive account of Donald Griffin’s life and work, with the third volume focusing on cognitive ethology. This commentary focuses primarily on my own interactions with Don, particularly during my sabbatical at Rockefeller University when his campaign for cognitive ethology was gaining momentum. I recount my research on reptile behavior and cognition, my collaboration with Don and others at RU, and my role in advancing his ideas while contextualizing them within 19th-century comparative psychology. I also discuss developments in cognitive ethology, including critical anthropomorphism, the challenges of integrating subjective experience into behavioral science, and Griffin’s lasting …
Wildlife Conservation And Adaptation To Humans, Valeria Mazza Phd, Claudio Carere
Wildlife Conservation And Adaptation To Humans, Valeria Mazza Phd, Claudio Carere
Animal Sentience
For many animal species, the ability to adapt to coexistence with the human species and to the environmental changes that humans cause is a biological imperative. This adaptive capacity varies not only between species, but within species. Studying individual differences in animals’ behavioral, cognitive and physiological adaptability is important for integrating ethology and conservation. Findings about animal cognitive capacities, including learning, need to be applied in conservation—but humans need to be educated about ethology, coexistence and conservation too.
Animal Personality And Sentience As Distinct Concepts, Mark Briffa
Animal Personality And Sentience As Distinct Concepts, Mark Briffa
Animal Sentience
Owens et al (2024) discuss how knowledge of both animal personality and sentience in target populations can be leveraged to enhance wildlife conservation programmes. In this commentary I expand on the distinction between these two concepts. Behavioural differences should be considered broadly across conservation programmes, not just those involving species deemed sentient.