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Kopp KS, Kanngiesser P, Brügger RK, Daum MM, Gampe A, Köster M, van Schaik CP, Liebal K, Burkart JM. The proximate regulation of prosocial behaviour: towards a conceptual framework for comparative research. Anim Cogn 2024; 27:5. [PMID: 38429436 PMCID: PMC10907469 DOI: 10.1007/s10071-024-01846-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/14/2023] [Accepted: 11/13/2023] [Indexed: 03/03/2024]
Abstract
Humans and many other animal species act in ways that benefit others. Such prosocial behaviour has been studied extensively across a range of disciplines over the last decades, but findings to date have led to conflicting conclusions about prosociality across and even within species. Here, we present a conceptual framework to study the proximate regulation of prosocial behaviour in humans, non-human primates and potentially other animals. We build on psychological definitions of prosociality and spell out three key features that need to be in place for behaviour to count as prosocial: benefitting others, intentionality, and voluntariness. We then apply this framework to review observational and experimental studies on sharing behaviour and targeted helping in human children and non-human primates. We show that behaviours that are usually subsumed under the same terminology (e.g. helping) can differ substantially across and within species and that some of them do not fulfil our criteria for prosociality. Our framework allows for precise mapping of prosocial behaviours when retrospectively evaluating studies and offers guidelines for future comparative work.
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Affiliation(s)
- Kathrin S Kopp
- Comparative Cultural Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.
- Life Sciences, Institute of Biology, Leipzig University, Leipzig, Germany.
- Department of Education and Psychology, Freie Universität Berlin, Berlin, Germany.
| | - Patricia Kanngiesser
- Department of Education and Psychology, Freie Universität Berlin, Berlin, Germany
- School of Psychology, University of Plymouth, Plymouth, UK
| | - Rahel K Brügger
- Department of Evolutionary Anthropology, University of Zurich, Zurich, Switzerland
| | - Moritz M Daum
- Department of Psychology, University of Zurich, Zurich, Switzerland
- Jacobs Center for Productive Youth Development, University of Zurich, Zurich, Switzerland
- Center for the Interdisciplinary Study of Language Evolution, University of Zurich, Zurich, Switzerland
| | - Anja Gampe
- Institute of Socio-Economics, University of Duisburg-Essen, Duisburg, Germany
| | - Moritz Köster
- Department of Education and Psychology, Freie Universität Berlin, Berlin, Germany
- Institute of Psychology, University of Regensburg, Regensburg, Germany
| | - Carel P van Schaik
- Department of Evolutionary Biology & Environmental Studies, University of Zurich, Zurich, Switzerland
- Center for the Interdisciplinary Study of Language Evolution, University of Zurich, Zurich, Switzerland
| | - Katja Liebal
- Life Sciences, Institute of Biology, Leipzig University, Leipzig, Germany
- Department of Education and Psychology, Freie Universität Berlin, Berlin, Germany
| | - Judith M Burkart
- Department of Evolutionary Anthropology, University of Zurich, Zurich, Switzerland
- Center for the Interdisciplinary Study of Language Evolution, University of Zurich, Zurich, Switzerland
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2
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Lefevre A, Meza J, Miller CT. Long range projections of oxytocin neurons in the marmoset brain. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.02.573953. [PMID: 38260560 PMCID: PMC10802265 DOI: 10.1101/2024.01.02.573953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
The neurohormone oxytocin (OT) has become a major target for the development of novel therapeutic strategies to treat psychiatric disorders such as autism spectrum disorder because of its integral role in governing many facets of mammalian social behavior. Whereas extensive work in rodents has produced much of our knowledge of OT, we lack basic information about its neurobiology in primates making it difficult to interpret the limited effects that OT manipulations have had in human patients. In fact, previous studies have revealed only limited OT fibers in primate brains. Here, we investigated the OT connectome in marmoset using immunohistochemistry, and mapped OT fibers throughout the brains of adult male and female marmoset monkeys. We found extensive OT projections reaching limbic and cortical areas that are involved in the regulation of social behaviors, such as the amygdala, the medial prefrontal cortex and the basal ganglia. The pattern of OT fibers observed in marmosets is notably similar to the OT connectomes described in rodents. Our findings here contrast with previous results by demonstrating a broad distribution of OT throughout the marmoset brain. Given the prevalence of this neurohormone in the primate brain, methods developed in rodents to manipulate endogenous OT are likely to be applicable in marmosets.
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Affiliation(s)
- Arthur Lefevre
- Cortical Systems and Behavior Laboratory, University of California San Diego, La Jolla, California, USA
- Institute of cognitive sciences Marc Jeannerod, CNRS and University of Lyon, Bron, France
| | - Jazlynn Meza
- Cortical Systems and Behavior Laboratory, University of California San Diego, La Jolla, California, USA
| | - Cory T. Miller
- Cortical Systems and Behavior Laboratory, University of California San Diego, La Jolla, California, USA
- Neuroscience graduate program, University of California San Diego, La Jolla, California, USA
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3
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Verga L, Kotz SA, Ravignani A. The evolution of social timing. Phys Life Rev 2023; 46:131-151. [PMID: 37419011 DOI: 10.1016/j.plrev.2023.06.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 06/15/2023] [Indexed: 07/09/2023]
Abstract
Sociality and timing are tightly interrelated in human interaction as seen in turn-taking or synchronised dance movements. Sociality and timing also show in communicative acts of other species that might be pleasurable, but also necessary for survival. Sociality and timing often co-occur, but their shared phylogenetic trajectory is unknown: How, when, and why did they become so tightly linked? Answering these questions is complicated by several constraints; these include the use of divergent operational definitions across fields and species, the focus on diverse mechanistic explanations (e.g., physiological, neural, or cognitive), and the frequent adoption of anthropocentric theories and methodologies in comparative research. These limitations hinder the development of an integrative framework on the evolutionary trajectory of social timing and make comparative studies not as fruitful as they could be. Here, we outline a theoretical and empirical framework to test contrasting hypotheses on the evolution of social timing with species-appropriate paradigms and consistent definitions. To facilitate future research, we introduce an initial set of representative species and empirical hypotheses. The proposed framework aims at building and contrasting evolutionary trees of social timing toward and beyond the crucial branch represented by our own lineage. Given the integration of cross-species and quantitative approaches, this research line might lead to an integrated empirical-theoretical paradigm and, as a long-term goal, explain why humans are such socially coordinated animals.
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Affiliation(s)
- Laura Verga
- Comparative Bioacoustic Group, Max Planck Institute for Psycholinguistics, Nijmegen, Netherlands; Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, Netherlands.
| | - Sonja A Kotz
- Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, Netherlands
| | - Andrea Ravignani
- Comparative Bioacoustic Group, Max Planck Institute for Psycholinguistics, Nijmegen, Netherlands; Center for Music in the Brain, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Department of Human Neurosciences, Sapienza University of Rome, Rome, Italy
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4
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Putting the cart before the horse? The origin of information donation. Behav Brain Sci 2023; 46:e5. [PMID: 36799060 DOI: 10.1017/s0140525x2200084x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
Heintz & Scott-Phillips propose that the partner choice ecology of our ancestors required Gricean cognitive pragmatics for reputation management, which caused a tendency toward showing and expecting prosociality that subsequently scaffolded language evolution. Here, we suggest a cognitively leaner explanation that is more consistent with comparative data and posits that prosociality and eventually language evolved along with cooperative breeding.
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5
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Mustoe A. A tale of two hierarchies: Hormonal and behavioral factors underlying sex differences in social dominance in cooperative breeding callitrichids. Horm Behav 2023; 147:105293. [PMID: 36463691 DOI: 10.1016/j.yhbeh.2022.105293] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 11/17/2022] [Accepted: 11/21/2022] [Indexed: 12/02/2022]
Abstract
Callitrichid primates are recognized for high levels of sociality in small groups, their great behavioral flexibility, and single-female dominant hierarchies. Previous work has highlighted that dominant, breeding callitrichids engage in behavioral and hormonal reproductive suppression of related and unrelated subordinates by both producing more offspring, having higher levels of ovulatory hormones, and accessing more sociosexual opportunities. This suppression constitutes a nexus of changes in pituitary responsiveness, ovarian cyclicity, sexual behavior, affiliation, and aggression. In this review, I will highlight important features that characterize callitrichid social hierarchies across broad social contexts. Dominant females sometimes exert reproductive suppression on subordinate nonbreeding females, but this suppression varies across callitrichids based on social stability and changes in group composition, particularly related to the number, experience, and age of nonbreeding subordinates. Meanwhile, dominant males may induce suppression of reproduction in subordinate males, but these effects occur by different behavioral and endocrine mechanisms and to a much lesser extent than their female counterparts; While dominant female callitrichids usually show higher levels of aggression relative to their male counterparts, callitrichids show a general absence of intersexual dominance, likely as an effort of maintaining a cohesive breeding pair within a stable social group and social cooperation. Future efforts are needed to identify precise neuroendocrine mechanisms underlying the presence of sex differences in callitrichid behavior separate from peripheral reproductive function. This is especially important with regard to parental experience, social relationships, development and aging, with larger implications toward understanding sex differences in overall health and wellbeing.
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Affiliation(s)
- Aaryn Mustoe
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA.
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6
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Brügger R, Willems E, Burkart J. Looking out for each other: coordination and turn taking in common marmoset vigilance. Anim Behav 2022. [DOI: 10.1016/j.anbehav.2022.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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7
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Miss F, Adriaense J, Burkart J. Towards integrating joint action research: Developmental and evolutionary perspectives on co-representation. Neurosci Biobehav Rev 2022; 143:104924. [DOI: 10.1016/j.neubiorev.2022.104924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 10/11/2022] [Accepted: 10/20/2022] [Indexed: 11/23/2022]
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8
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Heesen R, Austry DA, Upton Z, Clay Z. Flexible signalling strategies by victims mediate post-conflict interactions in bonobos. Philos Trans R Soc Lond B Biol Sci 2022; 377:20210310. [PMID: 35934966 PMCID: PMC9358318 DOI: 10.1098/rstb.2021.0310] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 05/27/2022] [Indexed: 12/25/2022] Open
Abstract
Compared to other animals, humans supposedly excel at voluntarily controlling and strategically displaying emotional signals. Yet, new data shows that nonhuman great apes' emotion expressions may also be subject to voluntary control. A key context to further explore this is during post-conflict (PC) periods, where signalling by distressed victims may influence bystander responses, including the offering of consolation. To address this, our study investigates the signalling behaviour of sanctuary-living bonobo victims following aggression and its relation to audience composition and PC interactions. Results show that the production of paedomorphic signals by victims (regardless of age) increased their chances of receiving consolation. In adults, the production of such signals additionally reduced the risk of renewed aggression from opponents. Signal production also increased with audience size, yet strategies differed by age: while immatures reduced signalling in proximity of close-social partners, adults did so especially after receiving consolation. These results suggest that bonobos can flexibly adjust their emotion signalling to influence the outcome of PC events, and that this tendency has a developmental trajectory. Overall, these findings highlight the potential role that flexible emotion communication played in the sociality of our last common ancestor with Pan. This article is part of the theme issue 'Cognition, communication and social bonds in primates'.
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Affiliation(s)
| | | | - Zoe Upton
- Department of Psychology, Durham University, Durham, UK
| | - Zanna Clay
- Department of Psychology, Durham University, Durham, UK
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9
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Burkart JM, Adriaense JEC, Brügger RK, Miss FM, Wierucka K, van Schaik CP. A convergent interaction engine: vocal communication among marmoset monkeys. Philos Trans R Soc Lond B Biol Sci 2022; 377:20210098. [PMID: 35876206 PMCID: PMC9315454 DOI: 10.1098/rstb.2021.0098] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 01/26/2022] [Indexed: 09/14/2023] Open
Abstract
To understand the primate origins of the human interaction engine, it is worthwhile to focus not only on great apes but also on callitrichid monkeys (marmosets and tamarins). Like humans, but unlike great apes, callitrichids are cooperative breeders, and thus habitually engage in coordinated joint actions, for instance when an infant is handed over from one group member to another. We first explore the hypothesis that these habitual cooperative interactions, the marmoset interactional ethology, are supported by the same key elements as found in the human interaction engine: mutual gaze (during joint action), turn-taking, volubility, as well as group-wide prosociality and trust. Marmosets show clear evidence of these features. We next examine the prediction that, if such an interaction engine can indeed give rise to more flexible communication, callitrichids may also possess elaborate communicative skills. A review of marmoset vocal communication confirms unusual abilities in these small primates: high volubility and large vocal repertoires, vocal learning and babbling in immatures, and voluntary usage and control. We end by discussing how the adoption of cooperative breeding during human evolution may have catalysed language evolution by adding these convergent consequences to the great ape-like cognitive system of our hominin ancestors. This article is part of the theme issue 'Revisiting the human 'interaction engine': comparative approaches to social action coordination'.
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Affiliation(s)
- J. M. Burkart
- Department of Anthropology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
- Center for the Interdisciplinary Study of Language Evolution ISLE, University of Zurich, Affolternstrasse 56, 8050 Zurich, Switzerland
| | - J. E. C. Adriaense
- Department of Anthropology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - R. K. Brügger
- Department of Anthropology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - F. M. Miss
- Department of Anthropology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - K. Wierucka
- Department of Anthropology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - C. P. van Schaik
- Department of Anthropology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
- Center for the Interdisciplinary Study of Language Evolution ISLE, University of Zurich, Affolternstrasse 56, 8050 Zurich, Switzerland
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10
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Ehret G, Romand R. Awareness and consciousness in humans and animals – neural and behavioral correlates in an evolutionary perspective. Front Syst Neurosci 2022; 16:941534. [PMID: 35910003 PMCID: PMC9331465 DOI: 10.3389/fnsys.2022.941534] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 06/29/2022] [Indexed: 11/29/2022] Open
Abstract
Awareness or consciousness in the context of stimulus perception can directly be assessed in well controlled test situations with humans via the persons’ reports about their subjective experiences with the stimuli. Since we have no direct access to subjective experiences in animals, their possible awareness or consciousness in stimulus perception tasks has often been inferred from behavior and cognitive abilities previously observed in aware and conscious humans. Here, we analyze published human data primarily on event-related potentials and brain-wave generation during perception and responding to sensory stimuli and extract neural markers (mainly latencies of evoked-potential peaks and of gamma-wave occurrence) indicating that a person became aware or conscious of the perceived stimulus. These neural correlates of consciousness were then applied to sets of corresponding data from various animals including several species of mammals, and one species each of birds, fish, cephalopods, and insects. We found that the neural markers from studies in humans could also successfully be applied to the mammal and bird data suggesting that species in these animal groups can become subjectively aware of and conscious about perceived stimuli. Fish, cephalopod and insect data remained inconclusive. In an evolutionary perspective we have to consider that both awareness of and consciousness about perceived stimuli appear as evolved, attention-dependent options added to the ongoing neural activities of stimulus processing and action generation. Since gamma-wave generation for functional coupling of brain areas in aware/conscious states is energetically highly cost-intensive, it remains to be shown which animal species under which conditions of lifestyle and ecological niche may achieve significant advantages in reproductive fitness by drawing upon these options. Hence, we started our discussion about awareness and consciousness in animals with the question in how far these expressions of brain activity are necessary attributes for perceiving stimuli and responding in an adaptive way.
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Affiliation(s)
- Günter Ehret
- Institute of Neurobiology, University of Ulm, Ulm, Germany
- *Correspondence: Günter Ehret,
| | - Raymond Romand
- Faculty of Medicine, Institute de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), University of Strasbourg and Centre National de la Recherche Scientifique (CNRS), Strasbourg, France
- Raymond Romand,
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11
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Correia-Caeiro C, Burrows A, Wilson DA, Abdelrahman A, Miyabe-Nishiwaki T. CalliFACS: The common marmoset Facial Action Coding System. PLoS One 2022; 17:e0266442. [PMID: 35580128 PMCID: PMC9113598 DOI: 10.1371/journal.pone.0266442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 03/21/2022] [Indexed: 11/19/2022] Open
Abstract
Facial expressions are subtle cues, central for communication and conveying emotions in mammals. Traditionally, facial expressions have been classified as a whole (e.g. happy, angry, bared-teeth), due to automatic face processing in the human brain, i.e., humans categorise emotions globally, but are not aware of subtle or isolated cues such as an eyebrow raise. Moreover, the same facial configuration (e.g. lip corners pulled backwards exposing teeth) can convey widely different information depending on the species (e.g. humans: happiness; chimpanzees: fear). The Facial Action Coding System (FACS) is considered the gold standard for investigating human facial behaviour and avoids subjective interpretations of meaning by objectively measuring independent movements linked to facial muscles, called Action Units (AUs). Following a similar methodology, we developed the CalliFACS for the common marmoset. First, we determined the facial muscular plan of the common marmoset by examining dissections from the literature. Second, we recorded common marmosets in a variety of contexts (e.g. grooming, feeding, play, human interaction, veterinary procedures), and selected clips from online databases (e.g. YouTube) to identify their facial movements. Individual facial movements were classified according to appearance changes produced by the corresponding underlying musculature. A diverse repertoire of 33 facial movements was identified in the common marmoset (15 Action Units, 15 Action Descriptors and 3 Ear Action Descriptors). Although we observed a reduced range of facial movement when compared to the HumanFACS, the common marmoset's range of facial movements was larger than predicted according to their socio-ecology and facial morphology, which indicates their importance for social interactions. CalliFACS is a scientific tool to measure facial movements, and thus, allows us to better understand the common marmoset's expressions and communication. As common marmosets have become increasingly popular laboratory animal models, from neuroscience to cognition, CalliFACS can be used as an important tool to evaluate their welfare, particularly in captivity.
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Affiliation(s)
| | - Anne Burrows
- Department of Physical Therapy, Duquesne University, Pittsburgh, Pennsylvania, United States of America
- Department of Anthropology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Duncan Andrew Wilson
- Primate Research Institute, Kyoto University, Inuyama, Japan
- Graduate School of Letters, Kyoto University, Kyoto, Japan
| | - Abdelhady Abdelrahman
- School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, United Kingdom
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12
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Rothwell ES, Workman KP, Wang D, Lacreuse A. Sex differences in cognitive aging: a 4-year longitudinal study in marmosets. Neurobiol Aging 2022; 109:88-99. [PMID: 34700200 PMCID: PMC8841951 DOI: 10.1016/j.neurobiolaging.2021.09.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 01/03/2023]
Abstract
Longitudinal studies are essential to understand healthy and pathological neurocognitive aging such as Alzheimer's Disease, but longitudinal designs are rare in both humans and non-human primate models of aging because of the difficulty of tracking cognitive change in long-lived primates. Common marmosets (Callithrix jacchus) are uniquely suited for aging studies due to their naturally short lifespan (10-12 years), sophisticated cognitive and social abilities and Alzheimer Disease-like neuropathology. We report the first longitudinal study of cognitive aging in marmosets (N = 28) as they transitioned from middle- (∼5 years) to old age (∼9 years). We characterized aging trajectories using reversal learning with different stimuli each year. Marmosets initially improved on cognitive performance due to practice, but worsened in the final year, suggesting the onset of age-related decline. Cognitive impairment emerged earlier in females than males and was more prominent for discrimination than for reversal learning. Sex differences in cognitive aging could not be explained by differences in motivation or motor abilities, which improved or remained stable across aging. Likewise, males and females did not differ in aging trajectories of overall behavior or reactivity to a social stressor, with the exception of a progressive decline in the initiation of social behavior in females. Patterns of cognitive aging were highly variable across marmosets of both sexes, suggesting the potential for pathological aging for some individuals. Future work will link individual cognitive trajectories to neuropathology in order to better understand the relationships between neuropathologic burden and vulnerability to age-related cognitive decline in each sex.
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Affiliation(s)
- Emily S. Rothwell
- Department of Psychological & Brain Sciences, University of Massachusetts, Amherst, MA, 01003, USA,Corresponding author:
| | - Kathryn P. Workman
- Department of Psychological & Brain Sciences, University of Massachusetts, Amherst, MA, 01003, USA
| | - Dongwei Wang
- Department of Psychological & Brain Sciences, University of Massachusetts, Amherst, MA, 01003, USA
| | - Agnès Lacreuse
- Department of Psychological & Brain Sciences, University of Massachusetts, Amherst, MA, 01003, USA,Neuroscience & Behavior Graduate Program, University of Massachusetts, Amherst, MA, 01003, USA
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13
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Scott JT, Bourne JA. Modelling behaviors relevant to brain disorders in the nonhuman primate: Are we there yet? Prog Neurobiol 2021; 208:102183. [PMID: 34728308 DOI: 10.1016/j.pneurobio.2021.102183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 10/27/2021] [Accepted: 10/27/2021] [Indexed: 12/30/2022]
Abstract
Recent years have seen a profound resurgence of activity with nonhuman primates (NHPs) to model human brain disorders. From marmosets to macaques, the study of NHP species offers a unique window into the function of primate-specific neural circuits that are impossible to examine in other models. Examining how these circuits manifest into the complex behaviors of primates, such as advanced cognitive and social functions, has provided enormous insights to date into the mechanisms underlying symptoms of numerous neurological and neuropsychiatric illnesses. With the recent optimization of modern techniques to manipulate and measure neural activity in vivo, such as optogenetics and calcium imaging, NHP research is more well-equipped than ever to probe the neural mechanisms underlying pathological behavior. However, methods for behavioral experimentation and analysis in NHPs have noticeably failed to keep pace with these advances. As behavior ultimately lies at the junction between preclinical findings and its translation to clinical outcomes for brain disorders, approaches to improve the integrity, reproducibility, and translatability of behavioral experiments in NHPs requires critical evaluation. In this review, we provide a unifying account of existing brain disorder models using NHPs, and provide insights into the present and emerging contributions of behavioral studies to the field.
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Affiliation(s)
- Jack T Scott
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC, Australia
| | - James A Bourne
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC, Australia.
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14
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de Oliveira Terceiro FE, Willems EP, Araújo A, Burkart JM. Monkey see, monkey feel? Marmoset reactions towards conspecifics' arousal. ROYAL SOCIETY OPEN SCIENCE 2021; 8:211255. [PMID: 34729211 PMCID: PMC8548797 DOI: 10.1098/rsos.211255] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/29/2021] [Indexed: 05/25/2023]
Abstract
Consolation has been observed in several species, including marmoset monkeys, but it is often unclear to what extent they are empathy-based. Marmosets perform well in at least two of three components of empathy-based consolation, namely understanding others and prosociality, but it is unknown to what extent they show matching with others. We, therefore, tested whether non-aroused individuals would become aroused themselves when encountering an aroused group member (indicated by piloerection of the tail). We found a robust contagion effect: group members were more likely to show piloerection themselves after having encountered an aroused versus relaxed conspecific. Moreover, group members offered consolation behaviours (affiliative approaches) towards the aroused fellow group members rather than the latter requesting it. Importantly, this pattern was shown by both aroused and non-aroused individuals, which suggests that they did not do this to reduce their own arousal but rather to console the individual in distress. We conclude that marmosets have all three components of empathy-based consolation. These results are in line with observations in another cooperative breeder, the prairie vole.
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Affiliation(s)
- Francisco Edvaldo de Oliveira Terceiro
- Department of Physiology and Behaviour, Universidade Federal do Rio Grande do Norte, PO Box 1511, Campus Universitário, 59078-970 Natal, Rio Grande do Norte, Brazil
- Department of Anthropology, Universität Zürich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
| | - Erik P. Willems
- Department of Anthropology, Universität Zürich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
| | - Arrilton Araújo
- Department of Physiology and Behaviour, Universidade Federal do Rio Grande do Norte, PO Box 1511, Campus Universitário, 59078-970 Natal, Rio Grande do Norte, Brazil
| | - Judith M. Burkart
- Department of Anthropology, Universität Zürich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
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15
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de Sousa MBC, de Meiroz Grilo MLP, Galvão-Coelho NL. Natural and Experimental Evidence Drives Marmosets for Research on Psychiatric Disorders Related to Stress. Front Behav Neurosci 2021; 15:674256. [PMID: 34177478 PMCID: PMC8227430 DOI: 10.3389/fnbeh.2021.674256] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 05/07/2021] [Indexed: 11/28/2022] Open
Abstract
Knowledge of the behavioral ecology of marmosets carried out in their natural habitat associated with the advent of a non-invasive technique for measuring steroid hormones in feces has made a significant contribution to understanding their social relationships and sexual strategies. These studies showed that they are mainly monogamous, live in relatively stable social groups according to a social hierarchy in which females compete and males cooperate, and form social bonds similar to humans, which makes this species a potential animal model to study disorders related to social stress. In addition, laboratory studies observed the expression of behaviors similar to those in nature and deepened the descriptions of their social and reproductive strategies. They also characterized their responses to the challenge using behavioral, cognitive, physiological, and genetic approaches that were sexually dimorphic and influenced by age and social context. These findings, added to some advantages which indicate good adaptation to captivity and the benefits of the birth of twins, small size, and life cycle in comparison to primates of the Old World, led to their use as animal models for validating psychiatric diseases such as major depression. Juvenile marmosets have recently been used to develop a depression model and to test a psychedelic brew called Ayahuasca from the Amazon rainforest as an alternative treatment for major depression, for which positive results have been found which encourage further studies in adolescents. Therefore, we will review the experimental evidence obtained so far and discuss the extension of the marmoset as an animal model for depression.
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Affiliation(s)
- Maria Bernardete Cordeiro de Sousa
- Brain Institute, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil.,Postgraduation Program in Psychobiology, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil.,Postgraduation Program in Neuroscience, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil.,Laboratory of Advanced Studies in Primates, UFRN-Brazil, and Laboratory of Hormone Measurement, Department of Physiology and Behavior, Natal, Brazil
| | - Maria Lara Porpino de Meiroz Grilo
- Postgraduation Program in Psychobiology, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil.,Laboratory of Advanced Studies in Primates, UFRN-Brazil, and Laboratory of Hormone Measurement, Department of Physiology and Behavior, Natal, Brazil
| | - Nicole Leite Galvão-Coelho
- Postgraduation Program in Psychobiology, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil.,Laboratory of Advanced Studies in Primates, UFRN-Brazil, and Laboratory of Hormone Measurement, Department of Physiology and Behavior, Natal, Brazil.,Department of Physiology and Behavior, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil.,National Institute of Science and Technology in Translational Medicine, Ribeirao Preto, Brazil
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16
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Satoh S, Bshary R, Shibasaki M, Inaba S, Sogawa S, Hotta T, Awata S, Kohda M. Prosocial and antisocial choices in a monogamous cichlid with biparental care. Nat Commun 2021; 12:1775. [PMID: 33741978 PMCID: PMC7979913 DOI: 10.1038/s41467-021-22075-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 02/12/2021] [Indexed: 01/31/2023] Open
Abstract
Human society is cooperative and characterized by spontaneous prosociality. Comparative studies on endotherm vertebrates suggest that social interdependence causes the evolution of proactive prosociality. To test the generality of this hypothesis, we modify a prosocial choice task for application to the convict cichlid, Amatitlania nigrofasciata, a monogamous fish with biparental care and a strong pair bond. We also affirm that male subjects learn to favor prosocial choices when their mates are the recipients in a neighboring tank. When the neighboring tank is empty, males choose randomly. Furthermore, in the absence of their mates, males behave prosocially toward a stranger female. However, if the mate of the subjects is also visible in the third tank, or if a male is a potential recipient, then subjects make antisocial choices. To conclude, fish may show both spontaneous prosocial and antisocial behaviors according to their social relationships with conspecifics and the overall social context.
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Affiliation(s)
- Shun Satoh
- grid.261445.00000 0001 1009 6411Department of Biology and Geosciences, Graduate School of Science, Osaka City University, Osaka, Japan ,grid.275033.00000 0004 1763 208XDepartment of Evolutionary Studies of Biosystems, The Graduate University for Advanced Studies, Miura, Japan
| | - Redouan Bshary
- grid.10711.360000 0001 2297 7718University of Neuchâtel, Institute of Zoology, Neuchâtel, Switzerland
| | - Momoko Shibasaki
- grid.261445.00000 0001 1009 6411Department of Biology and Geosciences, Graduate School of Science, Osaka City University, Osaka, Japan
| | - Seishiro Inaba
- grid.261445.00000 0001 1009 6411Department of Biology and Geosciences, Graduate School of Science, Osaka City University, Osaka, Japan
| | - Shumpei Sogawa
- grid.261445.00000 0001 1009 6411Department of Biology and Geosciences, Graduate School of Science, Osaka City University, Osaka, Japan
| | - Takashi Hotta
- grid.258799.80000 0004 0372 2033Department of Psychology, Graduate School of Letters, Kyoto University, Kyoto, Japan
| | - Satoshi Awata
- grid.261445.00000 0001 1009 6411Department of Biology and Geosciences, Graduate School of Science, Osaka City University, Osaka, Japan
| | - Masanori Kohda
- grid.261445.00000 0001 1009 6411Department of Biology and Geosciences, Graduate School of Science, Osaka City University, Osaka, Japan
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17
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Sánchez-Amaro A, Burkart J, Rossano F. Marmoset monkeys overcome dyadic social dilemmas while avoiding mutual defection. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2020.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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18
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Owner attention facilitates social play in dog-dog dyads (Canis lupus familiaris): evidence for an interspecific audience effect. Anim Cogn 2021; 24:341-352. [PMID: 33523316 DOI: 10.1007/s10071-021-01481-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 01/08/2021] [Accepted: 01/16/2021] [Indexed: 12/29/2022]
Abstract
Domestic dogs are a highly playful species that are evidently sensitive to the attentional state of conspecifics as well as humans. Given that an animal's social environment can influence play, audience effects may catalyze social play. While prior research has shown that intraspecific attention maintains social play in dog-dog dyads, it is unknown whether interspecific (specifically, human) attention maintains social play between dogs. Our objective in the present study was to examine whether a relationship exists between the availability of human attention and social play in domestic dogs. Familiar dog-dog dyads were exposed to three sessions each consisting of three experimental conditions that differed in the degree of availability of owner attention. Observed levels of social play were significantly higher during conditions in which an attentive owner was present than during conditions in which an owner was either inattentive or absent. Furthermore, this effect was maintained across repeated sessions. This is the first experimental evidence of an interspecific audience effect facilitating social play in domestic dogs. The availability of caretaker attention may be a proximate explanation for social play in canids that have ontogenetically rich histories with humans and also retain neotonized behavior as adults. Further research is needed to clarify the mechanisms contributing to the relationship between interspecific attention and social play in these populations and establish a more comprehensive understanding of play behavior in animals.
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19
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Ben Mocha Y, Burkart JM. Intentional communication: solving methodological issues to assigning first-order intentional signalling. Biol Rev Camb Philos Soc 2021; 96:903-921. [PMID: 33439530 DOI: 10.1111/brv.12685] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 12/23/2020] [Accepted: 01/04/2021] [Indexed: 11/29/2022]
Abstract
Intentional signalling plays a fundamental role in human communication. Mapping the taxonomic distribution of comparable capacities may thus shed light on the selective pressures that enabled the evolution of human communication. Nonetheless, severe methodological issues undermine comparisons among studies, species and communicative modalities. Here, we discuss three main obstacles that hinder comparative research of 'first-order' intentional signalling (i.e. voluntary signalling in pursuit of a cognitively represented goal): (i) inconsistency in how behavioural hallmarks are defined and operationalised, (ii) testing of behavioural hallmarks without statistical comparison to control conditions, and (iii) bias against the publication of negative results. To address these obstacles, we present a four-step scheme with 20 statistical operational criteria to distinguish between non-intentional and first-order intentional signalling. Our unified scheme applies to visual and audible signals, thereby validating comparison across communicative modalities and species. This, in turn, promotes the generation and testing of hypotheses about the evolution of intentional communication.
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Affiliation(s)
- Yitzchak Ben Mocha
- Department of Anthropology, Zürich University, Winterthurerstrasse 190, Zürich, 8057, Switzerland.,Max Planck Institute for Animal Behavior, University of Konstanz, Konstanz, 78457, Germany
| | - Judith M Burkart
- Department of Anthropology, Zürich University, Winterthurerstrasse 190, Zürich, 8057, Switzerland
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20
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Abreu F, Garber PA, Souto A, Presotto A, Schiel N. Navigating in a challenging semiarid environment: the use of a route-based mental map by a small-bodied neotropical primate. Anim Cogn 2021; 24:629-643. [PMID: 33394185 DOI: 10.1007/s10071-020-01465-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 12/17/2020] [Accepted: 12/19/2020] [Indexed: 11/27/2022]
Abstract
To increase efficiency in the search for resources, many animals rely on their spatial abilities. Specifically, primates have been reported to use mostly topological and rarely Euclidean maps when navigating in large-scale space. Here, we aimed to investigate if the navigation of wild common marmosets inhabiting a semiarid environment is consistent with a topological representation and how environmental factors affect navigation. We collected 497 h of direct behavioral and GPS information on a group of marmosets using a 2-min instantaneous focal animal sampling technique. We found that our study group reused not only long-route segments (mean of 1007 m) but entire daily routes, a pattern that is not commonly seen in primates. The most frequently reused route segments were the ones closer to feeding sites, distant to resting sites, and in areas sparse in tree vegetation. We also identified a total of 56 clustered direction change points indicating that the group modified their direction of travel. These changes in direction were influenced by their close proximity to resting and feeding sites. Despite our small sample size, the obtained results are important and consistent with the contention that common marmosets navigate using a topological map that seems to benefit these animals in response to the exploitation of clustered exudate trees. Based on our findings, we hypothesize that the Caatinga landscape imposes physical restrictions in our group's navigation such as gaps in vegetation, small trees and xerophytic plants. This study, based on preliminary evidence, raises the question of whether navigation patterns are an intrinsic characteristic of a species or are ecologically dependent and change according to the environment.
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Affiliation(s)
- Filipa Abreu
- Department of Biology, Federal Rural University of Pernambuco, R. Dom Manuel de Medeiros, s/n, Dois Irmãos, Recife, PE, 52171-900, Brazil.
| | - Paul A Garber
- Department of Anthropology, Program in Ecology, Evolution, and Conservation Biology, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Antonio Souto
- Department of Zoology, Federal University of Pernambuco, Av. Professor Moraes Rego, 1235, Recife, PE, 50670-901, Brazil
| | - Andrea Presotto
- Department of Geography and Geosciences, Salisbury University, Salisbury, USA
| | - Nicola Schiel
- Department of Biology, Federal Rural University of Pernambuco, R. Dom Manuel de Medeiros, s/n, Dois Irmãos, Recife, PE, 52171-900, Brazil
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21
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Dorfman A, Weiss O, Hagbi Z, Levi A, Eilam D. Social spatial cognition. Neurosci Biobehav Rev 2020; 121:277-290. [PMID: 33373664 DOI: 10.1016/j.neubiorev.2020.12.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/13/2020] [Accepted: 12/22/2020] [Indexed: 12/22/2022]
Abstract
Social spatial cognition refers to the interaction between self, place, and partners, with emphasis on the impact of the social environment on spatial behavior and on how individual spatial representations converge to form collective spatial behavior - i.e., common places and routes. Recent studies suggest that in addition to their mental representation (cognitive map) of the physical environment, humans and other animals also have a social cognitive map. We suggest that while social spatial cognition relies on knowledge of both the physical and the social environments, it is the latter hat predominates. This dominance is illustrated here in the modulation of spatial behavior according to dynamic social interactions, ranging from group formation to an attenuation of drug-induced stereotypy through the mere presence of a normal subject. Consequently we suggest that the numerous studies on the biobehavioral controlling mechanisms of spatial behavior (i.e. - the hippocampal formation, animal models for mental disorders) should also consider the social environment rather than solely focusing on the spatial behavior of lone animals.
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Affiliation(s)
- Alex Dorfman
- School of Zoology, George S. Wise Faculty of Life-Sciences, Tel-Aviv University, Ramat-Aviv, 6997801, Israel
| | - Omri Weiss
- School of Zoology, George S. Wise Faculty of Life-Sciences, Tel-Aviv University, Ramat-Aviv, 6997801, Israel
| | - Zohar Hagbi
- School of Zoology, George S. Wise Faculty of Life-Sciences, Tel-Aviv University, Ramat-Aviv, 6997801, Israel
| | - Anat Levi
- School of Zoology, George S. Wise Faculty of Life-Sciences, Tel-Aviv University, Ramat-Aviv, 6997801, Israel
| | - David Eilam
- School of Zoology, George S. Wise Faculty of Life-Sciences, Tel-Aviv University, Ramat-Aviv, 6997801, Israel.
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22
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Budaev S, Kristiansen TS, Giske J, Eliassen S. Computational animal welfare: towards cognitive architecture models of animal sentience, emotion and wellbeing. ROYAL SOCIETY OPEN SCIENCE 2020; 7:201886. [PMID: 33489298 PMCID: PMC7813262 DOI: 10.1098/rsos.201886] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 12/04/2020] [Indexed: 05/08/2023]
Abstract
To understand animal wellbeing, we need to consider subjective phenomena and sentience. This is challenging, since these properties are private and cannot be observed directly. Certain motivations, emotions and related internal states can be inferred in animals through experiments that involve choice, learning, generalization and decision-making. Yet, even though there is significant progress in elucidating the neurobiology of human consciousness, animal consciousness is still a mystery. We propose that computational animal welfare science emerges at the intersection of animal behaviour, welfare and computational cognition. By using ideas from cognitive science, we develop a functional and generic definition of subjective phenomena as any process or state of the organism that exists from the first-person perspective and cannot be isolated from the animal subject. We then outline a general cognitive architecture to model simple forms of subjective processes and sentience. This includes evolutionary adaptation which contains top-down attention modulation, predictive processing and subjective simulation by re-entrant (recursive) computations. Thereafter, we show how this approach uses major characteristics of the subjective experience: elementary self-awareness, global workspace and qualia with unity and continuity. This provides a formal framework for process-based modelling of animal needs, subjective states, sentience and wellbeing.
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Affiliation(s)
- Sergey Budaev
- Department of Biological Sciences, University of Bergen, PO Box 7803, 5020 Bergen, Norway
| | - Tore S. Kristiansen
- Research Group Animal Welfare, Institute of Marine Research, PO Box 1870, 5817 Bergen, Norway
| | - Jarl Giske
- Department of Biological Sciences, University of Bergen, PO Box 7803, 5020 Bergen, Norway
| | - Sigrunn Eliassen
- Department of Biological Sciences, University of Bergen, PO Box 7803, 5020 Bergen, Norway
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