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Articles 1 - 30 of 388
Full-Text Articles in Comparative Psychology
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.
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.
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.”
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.
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.
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.
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.
Not Just Bony Fish: All Nonmammalian And Nonavian Animals Are Neglected In Both Welfare And General Research, Jennifer A. Mather Ph.D.
Not Just Bony Fish: All Nonmammalian And Nonavian Animals Are Neglected In Both Welfare And General Research, Jennifer A. Mather Ph.D.
Animal Sentience
The lack of research on fish welfare highlighted by Oldfield & Bonano (2024) is only part of a more general problem: a relative neglect of animals other than mammals and birds. The causes are our lack of knowledge, our negative view of what we consider to be “lower” animals and our underestimation of their intelligence and sensitivity. Our estimation will increase as our knowledge increases. As a broader view spreads to the public through the media, it should gradually increase the demand to expand both research and welfare, especially beyond mammals and birds.
Animal Communication And Sentience, Catia Correia-Caeiro, Katja Liebal
Animal Communication And Sentience, Catia Correia-Caeiro, Katja Liebal
Animal Sentience
Segundo-Ortin & Calvo (S&C) argue for sentience in plants on the basis of several studies of what they describe as "cognitive abilities" in plants. As other commentaries (e.g., Brooks Pribac, 2023; Damasio & Damasio, 2023; ten Cate, 2023) have pointed out, however, there is some misuse of several concepts, and a lack of evidence for sentience. We try to clarify three questions in S&C’s discussion: (1) How is communication defined and conceptualised in animal research? (2) Is plant communication comparable to animal communication? (3) Is communication (or the process we see in plants) a good basis for inferring sentience in …
Sentience: Back To The Science From The Words, David A. Booth
Sentience: Back To The Science From The Words, David A. Booth
Animal Sentience
Contributors to this discussion acknowledge ambiguities in the terms used, including ‘feelings’, ‘behavior’, ‘cognition’ and ‘sentience’ itself. Yet they continue to use such words without reference to scientific criteria established by experimental psychology.
Unresolved Issues Of Behavioral Analysis In Invertebrates, Charles I. Abramson, Paco Calvo
Unresolved Issues Of Behavioral Analysis In Invertebrates, Charles I. Abramson, Paco Calvo
Animal Sentience
Crump et al. (2022) provide a framework for determining the presence of sentience in organisms. Their target article is interesting and thought-provoking, but it does not consider the many unresolved issues related to behavioral analysis – especially when it concerns invertebrates. We feel that no real progress can be made until such fundamental issues as the need for a consistent definition of conditioning phenomena, the lack of a generally accepted behavioral taxonomy, and the use of cognitive terms to explain invertebrate behavior are examined critically.
Sentience In Decapods: Difficulties To Surmount, Michael L. Woodruff
Sentience In Decapods: Difficulties To Surmount, Michael L. Woodruff
Animal Sentience
In the target article Crump et al. present 8 criteria to assess whether decapods experience pain. Four of these -- sensory integration, motivational trade-offs, flexible self-protection, and associative learning -- could be used to assess sentience in general. In this commentary I discuss difficulties with using these criteria to provide evidence of sentience in decapods, particularly if this evidence is to change public opinion and policies. These difficulties are lack of evidence, the potential to eventually explain the neurobiological basis of the behaviors chosen as criteria, thereby eliminating any explanatory work for sentience, and the reluctance to bring animals that …
Motivated Science: What Humans Gain From Denying Animal Sentience, Uri Lifshin
Motivated Science: What Humans Gain From Denying Animal Sentience, Uri Lifshin
Animal Sentience
Resistance to the idea that non-human animals are sentient resembles erstwhile resistance to the theory that the earth is not the centre of the universe, or that humans evolved from “apes”. All these notions are psychologically threatening. They can remind people of their own creatureliness and mortality and might make them feel guilty or uncertain about their way of life. An honest debate over animal sentience, welfare and rights should consider the human motivation to deprive animals of these things in the first place. I briefly review empirical evidence on the psychological function of denying animal minds.
Reported Behavioural Differences Between Geldings And Mares Challenge Sex-Driven Stereotypes In Ridden Equine Behaviour, Anna Aune, Kate Fenner, Bethany Wilson, Elissa Cameron, Andrew Mclean, Paul Mcgreevy
Reported Behavioural Differences Between Geldings And Mares Challenge Sex-Driven Stereotypes In Ridden Equine Behaviour, Anna Aune, Kate Fenner, Bethany Wilson, Elissa Cameron, Andrew Mclean, Paul Mcgreevy
Anthropomorphism and Anthropocentrism Collection
Horse trainers and riders may have preconceived ideas of horse temperament based solely on the sex of the horse. A study (n = 1233) of horse enthusiasts (75% of whom had more than 8 years of riding experience) revealed that riders prefer geldings over mares and stallions. While these data may reflect different sex preferences in horses used for sport, they may also reduce the chances of some horses reaching their performance potential. Further, an unfounded sex prejudice is likely to contribute to unconscious bias when perceiving unwanted behaviours, simplistically attributing them to demographic characteristics rather than more complex legacies …
Sequential Analysis Of Livestock Herding Dog And Sheep Interactions, Jonathan Early, Jessica Alders, Elizabeth R. Arnott, Claire M. Wade, Paul Mcgreevy
Sequential Analysis Of Livestock Herding Dog And Sheep Interactions, Jonathan Early, Jessica Alders, Elizabeth R. Arnott, Claire M. Wade, Paul Mcgreevy
Interactive Behavior Collection
Livestock herding dogs are crucial contributors to Australian agriculture. However, there is a dearth of empirical studies of the behavioural interactions between dog and livestock during herding. A statistical approach that may reveal cause and effect in such interactions is lag sequential analysis. Using 48 video recordings of livestock herding dogs and sheep in a yard trial competition, event-based (time between behaviours is irrelevant) and time-based (time between behaviours is defined) lag sequential analyses identified several significant behavioural interactions (adjusted residuals greater than 2.58; the maximum likelihood-ratio chi-squared statistic for all eight contingency tables identified all sequences as highly significant …
Social Referencing In The Domestic Horse, Anne Schrimpf, Marie-Sophie Single, Christian Nawroth
Social Referencing In The Domestic Horse, Anne Schrimpf, Marie-Sophie Single, Christian Nawroth
Recognition Collection
Dogs and cats use human emotional information directed to an unfamiliar situation to guide their behavior, known as social referencing. It is not clear whether other domestic species show similar socio-cognitive abilities in interacting with humans. We investigated whether horses (n = 46) use human emotional information to adjust their behavior to a novel object and whether the behavior of horses differed depending on breed type. Horses were randomly assigned to one of two groups: an experimenter positioned in the middle of a test arena directed gaze and voice towards the novel object with either (a) a positive or (b) …
Musical Dogs: A Review Of The Influence Of Auditory Enrichment On Canine Health And Behavior, Abigail Lindig, Paul Mcgreevy, Angela Crean
Musical Dogs: A Review Of The Influence Of Auditory Enrichment On Canine Health And Behavior, Abigail Lindig, Paul Mcgreevy, Angela Crean
Stress Collection
Music therapy yields many positive health outcomes in humans, but the effects of music on the health and welfare of nonhuman animals vary greatly with the type of music played, the ethology of the species, and the personality and learning history of individual animals. One context in which music therapy may be used to enhance animal welfare is to alleviate stress in domestic environments. Here, we review studies of the effects of music exposure on dogs as a case study for the implementation of music therapy in veterinary medicine. Nine reports of experimental testing for the therapeutic effects of music …
Social Learning In Solitary Juvenile Sharks, Catarina Vila Pouca, Dennis Heinrich, Charlie Huveneers, Culum Brown
Social Learning In Solitary Juvenile Sharks, Catarina Vila Pouca, Dennis Heinrich, Charlie Huveneers, Culum Brown
Social Behavior Collection
Social learning can be a shortcut for acquiring locally adaptive information. Animals that live in social groups have better access to social information, but gregarious and nonsocial species are also frequently exposed to social cues. Thus, social learning might simply reflect an animal's general ability to learn rather than an adaptation to social living. Here, we investigated social learning and the effect of frequency of social exposure in nonsocial, juvenile Port Jackson sharks, Heterodontus portusjacksoni. We compared (1) Individual Learners, (2) Sham-Observers, paired with a naïve shark, and (3) Observers, paired with a trained demonstrator, in a novel foraging task. …
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.
The Demography And Practice Of Australians Caring For Native Wildlife And The Psychological, Physical And Financial Effects Of Rescue, Rehabilitation And Release Of Wildlife On The Welfare Of Carers, Bruce Englefield, Steve Candy, Melissa J. Starling, Paul Mcgreevy
The Demography And Practice Of Australians Caring For Native Wildlife And The Psychological, Physical And Financial Effects Of Rescue, Rehabilitation And Release Of Wildlife On The Welfare Of Carers, Bruce Englefield, Steve Candy, Melissa J. Starling, Paul Mcgreevy
Human-Animal Bonds Collection
The rescue, rehabilitation and release of injured and orphaned Australian wildlife is managed by over 20,000 carers, mostly voluntarily. These volunteers experience mental, physical and financial challenges that have not been researched adequately. This study collated the responses (n = 316) to a survey conducted among Australian wildlife carers who actively foster orphaned joeys for hand-raising and injured adult mammals for rehabilitation and release. It confirmed 86% of rehabilitators are female, 70% are over the age of 46 years and their prime motivation is an affinity with animals. The average time spent in the sector is 11.5 years, and the …
Farm Animal Cognition—Linking Behavior, Welfare And Ethics, Christian Nawroth, Jan Langbein, Marjorie Coulon, Vivian Gabor, Susan Oesterwind, Judith Benz-Schwarzburg, Eberhard Von Borell
Farm Animal Cognition—Linking Behavior, Welfare And Ethics, Christian Nawroth, Jan Langbein, Marjorie Coulon, Vivian Gabor, Susan Oesterwind, Judith Benz-Schwarzburg, Eberhard Von Borell
Social Cognition Collection
Farm animal welfare is a major concern for society and food production. To more accurately evaluate animal farming in general and to avoid exposing farm animals to poor welfare situations, it is necessary to understand not only their behavioral but also their cognitive needs and capacities. Thus, general knowledge of how farm animals perceive and interact with their environment is of major importance for a range of stakeholders, from citizens to politicians to cognitive ethologists to philosophers. This review aims to outline the current state of farm animal cognition research and focuses on ungulate livestock species, such as cattle, horses, …
Perceptual Lateralization Of Vocal Stimuli In Goats, Luigi Baciadonna, Christian Nawroth, Elodie F. Briefer, Alan G. Mcelligott
Perceptual Lateralization Of Vocal Stimuli In Goats, Luigi Baciadonna, Christian Nawroth, Elodie F. Briefer, Alan G. Mcelligott
Communication Skills Collection
Functional asymmetries, for example, the preferential involvement of 1 brain hemisphere to process stimuli, may increase brain efficiency and the capacity to carry out tasks simultaneously. We investigated which hemisphere was primarily involved in processing acoustic stimuli in goats using a head-orienting paradigm. Three playbacks using goat vocalizations recorded in different contexts: food anticipation (positive), isolation (negative), food frustration (negative), as well as 1 playback involving dog barks (negative) were presented on the left and right sides of the test subjects simultaneously. The head-orienting response (left or right) and latency to resume feeding were recorded. The direction of the head-orienting …
Perceptual Lateralization Of Vocal Stimuli In Goats, Luigi Baciadonna, Christian Nawroth, Elodie F. Briefer, Alan G. Mcelligott
Perceptual Lateralization Of Vocal Stimuli In Goats, Luigi Baciadonna, Christian Nawroth, Elodie F. Briefer, Alan G. Mcelligott
Social Cognition Collection
Functional asymmetries, for example, the preferential involvement of 1 brain hemisphere to process stimuli, may increase brain efficiency and the capacity to carry out tasks simultaneously. We investigated which hemisphere was primarily involved in processing acoustic stimuli in goats using a head-orienting paradigm. Three playbacks using goat vocalizations recorded in different contexts: food anticipation (positive), isolation (negative), food frustration (negative), as well as 1 playback involving dog barks (negative) were presented on the left and right sides of the test subjects simultaneously. The head-orienting response (left or right) and latency to resume feeding were recorded. The direction of the head-orienting …
A Global Reassessment Of Solitary-Sociable Dolphins, Laetitia Nunny, Mark P. Simmonds
A Global Reassessment Of Solitary-Sociable Dolphins, Laetitia Nunny, Mark P. Simmonds
Personality Collection
Dolphins are typically regarded as highly social animals. However, some individuals live apart from their own species and may come to socialize with people through a recognized series of stages which are presented and expanded on in this paper. The term “solitary-sociable dolphins” has been used to describe these animals and such individuals have been identified from several different species and reported in many parts of the world. In many instances, the interactions with people that may follow their original isolation, and which typically become more intense over time, have created situations where the welfare of the animal has been …
Elevated Sensitivity To Tactile Stimuli In Stereotypic Horses, Sabrina Briefer Freymond, Déborah Bardou, Sandrine Beuret, Iris Bachmann, Klaus Zuberbühler, Elodie Briefer
Elevated Sensitivity To Tactile Stimuli In Stereotypic Horses, Sabrina Briefer Freymond, Déborah Bardou, Sandrine Beuret, Iris Bachmann, Klaus Zuberbühler, Elodie Briefer
Personality Collection
Although stereotypic behaviors are a common problem in captive animals, why certain individuals are more prone to develop them remains elusive. In horses, individuals show considerable differences in how they perceive and react to external events, suggesting that this may partially account for the emergence of stereotypies in this species. In this study, we focused on crib-biting, the most common stereotypy displayed by horses. We compared how established crib-biters (“CB” = 19) and normal controls (“C” = 18) differed in response to a standard “personality” assessment test battery, i.e., reactivity to humans, tactile sensitivity, social reactivity, locomotor activity, and curiosity …