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Behavioural Risks In Female Dogs With Minimal Lifetime Exposure To Gonadal Hormones, Melissa J. Starling, Anne Fawcett, Bethany Wilson, James Serpell, Paul Mcgreevy
Behavioural Risks In Female Dogs With Minimal Lifetime Exposure To Gonadal Hormones, Melissa J. Starling, Anne Fawcett, Bethany Wilson, James Serpell, Paul Mcgreevy
Physiology Collection
Spaying of female dogs is a widespread practice, performed primarily for population control. While the consequences of early spaying for health are still being debated, the consequences for behaviour are believed to be negligible. The current study focused on the reported behaviour of 8981 female dogs spayed before 520 weeks (ten years) of life for reasons other than behavioural management, and calculated their percentage lifetime exposure to gonadal hormones (PLGH) as a proportion of their age at the time of being reported to the online Canine Behavioral Assessment and Research Questionnaire (C-BARQ). We found that 23 behaviours differed between entire …
Can A Dog Be Jealous?, Yaoguang Jiang, Annamarie W. Huttunen, Michael L. Platt
Can A Dog Be Jealous?, Yaoguang Jiang, Annamarie W. Huttunen, Michael L. Platt
Animal Sentience
Whether humans alone experience complex emotions like jealousy or envy remains hotly debated, partly because of the difficulty of measuring them without a verbal report. Cook, Berns and colleagues use functional brain imaging to identify in dogs neural responses very similar to those evoked by jealousy in humans. When dogs see their caregiver reward a facsimile dog, their amygdala is activated and the strength of this response predicts aggressive behavior — just as jealousy leads to aggression in humans. The authors conclude that dogs feel something very similar to human jealousy. This novel and creative study tackles one of the …
Finding The Green-Eyed Monster In The Brain Of A Dog, Peter Singer
Finding The Green-Eyed Monster In The Brain Of A Dog, Peter Singer
Animal Sentience
That dogs show behavior suggestive of jealousy has long been known and has been demonstrated under controlled conditions. Cook et al. have now shown arousal in the amygdala when dogs see a caregiver feeding another dog. This finding has ethical significance in two respects. First, the consideration shown by the investigators for the welfare of their experimental subjects sets an example for other researchers using animals. Second, the greater understanding of the emotional lives of animals should lead to more concern for their needs.
Researchers, Not Dogs, Lack Control In An Experiment On Jealousy, Jennifer Vonk
Researchers, Not Dogs, Lack Control In An Experiment On Jealousy, Jennifer Vonk
Animal Sentience
Cook and colleagues (2018) have developed a clever method to measure fMRI in awake dogs in response to a number of interesting stimuli. As a result, they are able to determine neural correlates of observable behavior. They report that dogs may experience something akin to jealousy because they show greater amygdala activation in response to food being given to a fake dog versus food being placed in a bucket. However, several critical controls are missing which prevent the authors from being able to speak of jealousy.
Only The Human Brain Has The Cognitive Capacity For Jealousy, Donatella Marazziti
Only The Human Brain Has The Cognitive Capacity For Jealousy, Donatella Marazziti
Animal Sentience
Jealousy is exclusively a human phenomenon because nonhuman animals lack the brain structures regulating the higher processes underlying jealousy.
What Would We Like To Know By Imaging The Brains Of Dogs?, Ralph Adolphs
What Would We Like To Know By Imaging The Brains Of Dogs?, Ralph Adolphs
Animal Sentience
Using fMRI to study emotions in animals is important, fascinating, and fraught with methodological and conceptual problems. Cook et al. are doing it, and there is no question that they and others will be doing it better and better as time goes on. Where will this lead us? What could fMRI in principle tell us about the minds of nonhuman animals?
What Is It Like To Be A Jealous Dog?, Emanuela Prato Previde, Paola Valsecchi
What Is It Like To Be A Jealous Dog?, Emanuela Prato Previde, Paola Valsecchi
Animal Sentience
Jealousy is a good candidate for comparative studies due to its clear adaptive value in protecting social bonds and affective relationships. Dogs are suitable subjects for investigating the evolution of jealousy, thanks to their rather sophisticated socio-cognitive abilities — which in some cases parallel those reported for human infants — and thanks to their long-lasting relationship with humans. The work of Cook and colleagues (2018) addresses the issue of jealousy in dogs through the lens of neuroscience, examining the relationship between the amygdala and jealousy. Their experiment has a number of methodological flaws that prevent distinguishing jealousy from other internal …
Fake Or Not: Two Prerequisites For Jealousy, Juliane Bräuer, Federica Amici
Fake Or Not: Two Prerequisites For Jealousy, Juliane Bräuer, Federica Amici
Animal Sentience
Cook and colleagues (2018) use a novel approach to test jealousy in dogs. Although such a non-invasive approach is more than welcome in comparative research, several methodological shortcomings limit the impact of this study. We briefly outline two main problems. (1) There is no evidence that the fake dogs in the study were perceived as real, and thus as social rivals, which would be a prerequisite for jealousy. (2) It is questionable whether dogs generally show the cognitive prerequisites for jealousy, such as attentiveness toward a social rival, the ability to understand intentions, and a sense of fairness. We suggest …
Animal And Human Emotion: Concepts And Methodologies, Cátia Correia Caeiro
Animal And Human Emotion: Concepts And Methodologies, Cátia Correia Caeiro
Animal Sentience
The human-dog relationship is particularly interesting for the study of emotions. The underlying concepts need to be made explicit and methods need to be adapted to the characteristics of the species studied as well as the shortcomings of the human experimenter’s perception.
Positive Emotions And Quality Of Life In Dogs, Patrizia Piotti
Positive Emotions And Quality Of Life In Dogs, Patrizia Piotti
Animal Sentience
Positive affect is fundamental to ensuring good animal welfare. Discrete and dimensional theories of emotion have recently been used to explore the relation between cognition and affect and to develop cognitive measures of positive affect. Human quality-of-life assessment focuses on positive affect, which is difficult to measure objectively in dogs. Expanding on Kujala’s (2017) discussion of positive emotions and cognitive measures of affect, I suggest how these are relevant to assessing canine quality of life.
Dogs Consciously Experience Emotions: The Question Is, Which?, Ralph Adolphs
Dogs Consciously Experience Emotions: The Question Is, Which?, Ralph Adolphs
Animal Sentience
I discuss three themes related to Kujala’s target article. First, the wealth of emerging data on cognitive studies in dogs will surely show that dogs have a very rich repertoire of cognitive processes, for most of which we find homologues in humans. Second, understanding the internal states that mediate social behaviors, such as emotions, requires us to consider both a dog’s behaviors with other dogs, and the emergence of new behavioral patterns in interaction with humans. Third, all of this will certainly narrow the range of justifications for denying that dogs have subjective experiences of emotions.
Hermes In The Anthropocene: A Dogologue, Karen Malpede
Hermes In The Anthropocene: A Dogologue, Karen Malpede
Animal Sentience
In this dogologue, a writer and the dog who sits near her desk as she works speak. The dog is concerned about the fate of the world in the hands of humans. His urgent questions send the writer into the world of her own memories when she was a child alone with a horse in nature.
Discrimination Of Familiar Human Faces In Dogs (Canis Familiaris), Ludwig Huber, Anaïs Racca, Billy Scaf, Zsófia Virányi, Friederike Range
Discrimination Of Familiar Human Faces In Dogs (Canis Familiaris), Ludwig Huber, Anaïs Racca, Billy Scaf, Zsófia Virányi, Friederike Range
Recognition Collection
Faces are an important visual category for many taxa, and the human face is no exception to this. Because faces differ in subtle ways and possess many idiosyncratic features, they provide a rich source of perceptual cues. A fair amount of those cues are learned through social interactions and are used for future identification of individual humans. These effects of individual experience can be studied particularly well in hetero-specific face perception. Domestic dogs represent a perfect model in this respect, due to their proved ability to extract important information from the human face in socio-communicative interactions. There is also …
Conceptualising The Impact Of Arousal And Affective State On Operant Conditioning, Melissa J. Starling, Nicholas Branson, Denis Cody, Paul D. Mcgreevy
Conceptualising The Impact Of Arousal And Affective State On Operant Conditioning, Melissa J. Starling, Nicholas Branson, Denis Cody, Paul D. Mcgreevy
Animal Training and Obedience Collection
Animal training relies heavily on an understanding of species-specific behaviour as it integrates with operant conditioning principles. Following on from recent studies showing that affective states and arousal levels may correlate with behavioural outcomes, we explore the contribution of both affective state and arousal in behavioural responses to operant conditioning. This paper provides a framework for assessing how affective state and arousal may influence the efficacy of operant training methods. It provides a series of three-dimensional conceptual graphs as exemplars to describing putative influences of both affective state and arousal on the likelihood of dogs and horses performing commonly desired …
Naturalizing Anthropomorphism: Behavioral Prompts To Our Humanizing Of Animals, Alexandra C. Horowitz, Marc Bekoff
Naturalizing Anthropomorphism: Behavioral Prompts To Our Humanizing Of Animals, Alexandra C. Horowitz, Marc Bekoff
Human and Animal Bonding Collection
Anthropomorphism is the use of human characteristics to describe or explain nonhuman animals. In the present paper, we propose a model for a unified study of such anthropomorphizing. We bring together previously disparate accounts of why and how we anthropomorphize and suggest a means to analyze anthropomorphizing behavior itself. We introduce an analysis of bouts of dyadic play between humans and a heavily anthropomorphized animal, the domestic dog. Four distinct patterns of social interaction recur in successful dog–human play: directed responses by one player to the other, indications of intent, mutual behaviors, and contingent activity. These findings serve as a …
The Case Against Dog Breed Discrimination By Homeowners’ Insurance Companies, Larry Cunningham
The Case Against Dog Breed Discrimination By Homeowners’ Insurance Companies, Larry Cunningham
State of the Animals 2007
Breed discrimination by insurance companies is on the rise in the United States. Insurers are refusing to write homeowners’ policies for people who own breeds that the insurance industry considers to be dangerous. Their decisions are based solely on the breed of the animal, not the individual characteristics of the particular dog. Dog bites are certainly a public health concern. However, the insurance industry’s approach to the problem is based on faulty assumptions and improper use of dog-bite statistics. The insurance industry has prejudged entire breeds of dogs as being “too risky,” instead of taking a more reasonable dog-by-dog approach …
Physiology And Behavior Of Dogs During Air Transport, Renée Bergeron, Shannon L. Scott, Jean-Pierre Émond, Florent Mercier, Nigel J. Cook, Al L. Schaefer
Physiology And Behavior Of Dogs During Air Transport, Renée Bergeron, Shannon L. Scott, Jean-Pierre Émond, Florent Mercier, Nigel J. Cook, Al L. Schaefer
Stress Collection
Twenty-four beagles were used to measure physiological and behavioral reactions to air transport. Each of 3 groups of 4 sedated (with 0.5 mg/kg body weight of acepromazine maleate) and 4 non-sedated (control) dogs was flown on a separate flight between Montreal, Quebec, and Toronto, Ontario, after being transported by road from Quebec City to Montreal. Saliva and blood samples were taken before ground and air transport and after air transport. The heart rate was monitored during the whole experiment except during ground transport, and behavior was monitored by video during air transport. Sedation did not affect any of the variables …
Where To Put Your Choker, Roger A. Mugford
Where To Put Your Choker, Roger A. Mugford
Pets Collection
The choke chain has come to be regarded as an indispensable aid to training dogs, but even the most time-hallowed practices deserve an occasional critical review. The author has recently completed an investigation into the uses and abuses of choke chains, and failed to find any benefit from using a choker rather than a conventional leather collar. Indeed, there are some very considerable dangers and disadvantages associated with the device. These charges may sound like heresy to many dog-trainers, but to others, it may strike a sympathetic chord.