Records |
Author |
Seyfarth, R.M.; Cheney, D.L. |
Title |
Grooming, alliances and reciprocal altruism in vervet monkeys |
Type |
Journal Article |
Year |
1984 |
Publication |
Nature |
Abbreviated Journal |
Nature |
Volume |
308 |
Issue |
5959 |
Pages |
541-543 |
Keywords |
*Altruism; Animals; Cercopithecus/*physiology; Cercopithecus aethiops/*physiology; *Grooming; *Social Behavior; Vocalization, Animal |
Abstract |
Reciprocal altruism refers to the exchange of beneficial acts between individuals, in which the benefits to the recipient exceed the cost to the altruist. Theory predicts that cooperation among unrelated animals can occur whenever individuals encounter each other regularly and are capable of adjusting their cooperative behaviour according to experience. Although the potential for reciprocal altruism exists in many animal societies, most interactions occur between closely related individuals, and examples of reciprocity among non-kin are rare. The field experiments on vervet monkeys which we present here demonstrate that grooming between unrelated individuals increases the probability that they will subsequently attend to each others' solicitations for aid. Vervets appear to be more willing to aid unrelated individuals if those individuals have behaved affinitively toward them in the recent past. In contrast, recent grooming between close genetic relatives appears to have no effect on their willingness to respond to each other's solicitations for aid. |
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English |
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ISSN |
0028-0836 |
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Notes |
PMID:6709060 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
704 |
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Author |
Whiten, A. |
Title |
The second inheritance system of chimpanzees and humans |
Type |
Journal Article |
Year |
2005 |
Publication |
Nature |
Abbreviated Journal |
Nature |
Volume |
437 |
Issue |
7055 |
Pages |
52-55 |
Keywords |
Animals; Animals, Wild/physiology/psychology; Behavior, Animal/*physiology; *Culture; Female; Humans; Imitative Behavior; Learning/*physiology; Pan troglodytes/*physiology/psychology; *Social Behavior; Technology |
Abstract |
Half a century of dedicated field research has brought us from ignorance of our closest relatives to the discovery that chimpanzee communities resemble human cultures in possessing suites of local traditions that uniquely identify them. The collaborative effort required to establish this picture parallels the one set up to sequence the chimpanzee genome, and has revealed a complex social inheritance system that complements the genetic picture we are now developing. |
Address |
Centre for Social Learning and Cognitive Evolution, and Scottish Primate Research Group, School of Psychology, University of St Andrews, St Andrews, Fife KY16 9JP, UK. a.whiten@st-and.ac.uk |
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English |
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Edition |
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ISSN |
1476-4687 |
ISBN |
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Conference |
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Notes |
PMID:16136127 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
730 |
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Author |
Conradt, L.; Roper, T.J. |
Title |
Group decision-making in animals |
Type |
Journal Article |
Year |
2003 |
Publication |
Nature |
Abbreviated Journal |
Nature |
Volume |
421 |
Issue |
6919 |
Pages |
155-158 |
Keywords |
Animals; Behavior, Animal/*physiology; *Decision Making; Democracy; Group Processes; *Models, Biological; Population Density; Social Behavior |
Abstract |
Groups of animals often need to make communal decisions, for example about which activities to perform, when to perform them and which direction to travel in; however, little is known about how they do so. Here, we model the fitness consequences of two possible decision-making mechanisms: 'despotism' and 'democracy'. We show that under most conditions, the costs to subordinate group members, and to the group as a whole, are considerably higher for despotic than for democratic decisions. Even when the despot is the most experienced group member, it only pays other members to accept its decision when group size is small and the difference in information is large. Democratic decisions are more beneficial primarily because they tend to produce less extreme decisions, rather than because each individual has an influence on the decision per se. Our model suggests that democracy should be widespread and makes quantitative, testable predictions about group decision-making in non-humans. |
Address |
School of Biological Sciences, University of Sussex, Brighton BN1 9QG, UK. l.conradt@sussex.ac.uk |
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0028-0836 |
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Notes |
PMID:12520299 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
5136 |
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Author |
Rands, S.A.; Cowlishaw, G.; Pettifor, R.A.; Rowcliffe, J.M.; Johnstone, R.A. |
Title |
Spontaneous emergence of leaders and followers in foraging pairs |
Type |
Journal Article |
Year |
2003 |
Publication |
Nature |
Abbreviated Journal |
Nature |
Volume |
423 |
Issue |
6938 |
Pages |
432-434 |
Keywords |
Animals; *Energy Metabolism; Food; *Food Chain; *Models, Biological; Motor Activity; *Social Behavior; Time Factors |
Abstract |
Animals that forage socially often stand to gain from coordination of their behaviour. Yet it is not known how group members reach a consensus on the timing of foraging bouts. Here we demonstrate a simple process by which this may occur. We develop a state-dependent, dynamic game model of foraging by a pair of animals, in which each individual chooses between resting or foraging during a series of consecutive periods, so as to maximize its own individual chances of survival. We find that, if there is an advantage to foraging together, the equilibrium behaviour of both individuals becomes highly synchronized. As a result of this synchronization, differences in the energetic reserves of the two players spontaneously develop, leading them to adopt different behavioural roles. The individual with lower reserves emerges as the 'pace-maker' who determines when the pair should forage, providing a straightforward resolution to the problem of group coordination. Moreover, the strategy that gives rise to this behaviour can be implemented by a simple 'rule of thumb' that requires no detailed knowledge of the state of other individuals. |
Address |
Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK. s.rands@zoo.cam.ac.uk |
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English |
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0028-0836 |
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Notes |
PMID:12761547 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
5138 |
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Author |
Adolphs, R. |
Title |
Cognitive neuroscience of human social behaviour |
Type |
Journal Article |
Year |
2003 |
Publication |
Nature Reviews. Neuroscience |
Abbreviated Journal |
Nat Rev Neurosci |
Volume |
4 |
Issue |
3 |
Pages |
165-178 |
Keywords |
Cognition; Emotions; Humans; Models, Psychological; *Social Behavior |
Abstract |
We are an intensely social species--it has been argued that our social nature defines what makes us human, what makes us conscious or what gave us our large brains. As a new field, the social brain sciences are probing the neural underpinnings of social behaviour and have produced a banquet of data that are both tantalizing and deeply puzzling. We are finding new links between emotion and reason, between action and perception, and between representations of other people and ourselves. No less important are the links that are also being established across disciplines to understand social behaviour, as neuroscientists, social psychologists, anthropologists, ethologists and philosophers forge new collaborations. |
Address |
Deparment of Neurology, University of Iowa, 200 Hawkins Drive, Iowa City, Iowa 52242, USA. ralph-adolphs@uiowa.edu |
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English |
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ISSN |
1471-003X |
ISBN |
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Notes |
PMID:12612630 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4706 |
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Author |
Seyfarth, R.M.; Cheney, D.L. |
Title |
Cognitive strategies and the representation of social relations by monkeys |
Type |
Journal Article |
Year |
2001 |
Publication |
Nebraska Symposium on Motivation. Nebraska Symposium on Motivation |
Abbreviated Journal |
Nebr Symp Motiv |
Volume |
47 |
Issue |
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Pages |
145-177 |
Keywords |
Adaptation, Biological; Animals; *Evolution; Family; Female; Haplorhini; Male; Memory; Primates; *Selection (Genetics); *Social Behavior; Social Dominance; *Social Perception |
Abstract |
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Address |
University of Pennsylvania, USA |
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English |
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Edition |
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ISSN |
0146-7875 |
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Notes |
PMID:11759347 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
345 |
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Author |
Beery, A.K.; Kaufer, D. |
Title |
Stress, social behavior, and resilience: Insights from rodents |
Type |
Journal Article |
Year |
2015 |
Publication |
Neurobiology of Stress |
Abbreviated Journal |
Neurobiol. Stress |
Volume |
1 |
Issue |
Stress Resilience |
Pages |
116-127 |
Keywords |
Stress; Anxiety; Social behavior; Sociality; Social stress; Social buffering |
Abstract |
The neurobiology of stress and the neurobiology of social behavior are deeply intertwined. The social environment interacts with stress on almost every front: social interactions can be potent stressors; they can buffer the response to an external stressor; and social behavior often changes in response to stressful life experience. This review explores mechanistic and behavioral links between stress, anxiety, resilience, and social behavior in rodents, with particular attention to different social contexts. We consider variation between several different rodent species and make connections to research on humans and non-human primates. |
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Edition |
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ISSN |
2352-2895 |
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Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
6413 |
Permanent link to this record |
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Author |
de Waal, F.B.M.; Davis, J.M. |
Title |
Capuchin cognitive ecology: cooperation based on projected returns |
Type |
Journal Article |
Year |
2003 |
Publication |
Neuropsychologia |
Abbreviated Journal |
Neuropsychologia |
Volume |
41 |
Issue |
2 |
Pages |
221-228 |
Keywords |
Animals; Attention; Cebus/*psychology; *Cooperative Behavior; Decision Making; Dominance-Subordination; Female; Male; *Motivation; Reaction Time; Reinforcement Schedule; *Social Behavior |
Abstract |
Stable cooperation requires that each party's pay-offs exceed those available through individual action. The present experimental study on brown capuchin monkeys (Cebus apella) investigated if decisions about cooperation are (a) guided by the amount of competition expected to follow the cooperation, and (b) made instantaneously or only after a period of familiarization. Pairs of adult monkeys were presented with a mutualistic cooperative task with variable opportunities for resource monopolization (clumped versus dispersed rewards), and partner relationships (kin versus nonkin). After pre-training, each pair of monkeys (N=11) was subjected to six tests, consisting of 15 2 min trials each, with rewards available to both parties. Clumped reward distribution had an immediate negative effect on cooperation: this effect was visible right from the start, and remained visible even if clumped trials alternated with dispersed trials. The drop in cooperation was far more dramatic for nonkin than kin, which was explained by the tendency of dominant nonkin to claim more than half of the rewards under the clumped condition. The immediacy of responses suggests a decision-making process based on predicted outcome of cooperation. Decisions about cooperation thus take into account both the opportunity for and the likelihood of subsequent competition over the spoils. |
Address |
Living Links, Yerkes Primate Center, Emory University, 954 N. Gatewood Road, Atlanta, GA 30322, USA. dewaal@emory.edu |
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English |
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Edition |
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ISSN |
0028-3932 |
ISBN |
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Notes |
PMID:12459220 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
182 |
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Author |
Fabrega, H.J. |
Title |
Making sense of behavioral irregularities of great apes |
Type |
Journal Article |
Year |
2006 |
Publication |
Neuroscience and Biobehavioral Reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
Volume |
30 |
Issue |
8 |
Pages |
1260-73; discussion 1274-7 |
Keywords |
Animals; Behavior/*physiology; Evolution; Hominidae/*physiology; Humans; Mental Disorders/*physiopathology; Neurosciences; *Psychopathology; Social Behavior |
Abstract |
Psychopathology, mental illness, and psychiatric treatment are concepts relevant to modern medicine and medical psychology and replete with cumbersome intellectual and literary baggage. They bear the imprint of suppositions, world views, and general beliefs and values exemplified in the science, history, and general culture of Anglo European societies. The study in higher apes of phenomena addressed by such concepts raises conceptual dilemmas, usually termed speciesism and anthropomorphism, not unlike those encountered in comparative human studies of similar phenomena across cultures and historical periods, namely, ethnocentrism and anachronism. The authors' synthesis of literature and their analysis of the implications of higher ape psychopathology represent an epistemically compelling account that broadens the scope of the comparative study of behavioral irregularities, a topic that provides a different slant for examining challenging questions in evolutionary biology and primatology, such as cognition, self awareness, intentional behavior, culture and behavioral traditions, social intelligence, sickness and healing, and altruism. Theoretical and empirical study of this topic expands formulation and can help provide informative answers about human evolution as well as essential features of human psychiatric syndromes, with potential practical implications. The study of psychopathology of higher apes and other non human primates represents an appropriate focus for neuroscience and bio-behavioral sciences. |
Address |
Department of Psychiatry and Anthropology, University of Pittsburgh, School of Medicine, 3811 Ohara Street, Pittsburgh, PA 15213, USA. hfabregajr@adelphia.net |
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English |
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Edition |
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ISSN |
0149-7634 |
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Notes |
PMID:17079015 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2802 |
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Author |
Emery, N.J. |
Title |
The eyes have it: the neuroethology, function and evolution of social gaze |
Type |
Journal Article |
Year |
2000 |
Publication |
Neuroscience and Biobehavioral Reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
Volume |
24 |
Issue |
6 |
Pages |
581-604 |
Keywords |
Animals; *Eye; Fixation, Ocular; Humans; *Social Behavior |
Abstract |
Gaze is an important component of social interaction. The function, evolution and neurobiology of gaze processing are therefore of interest to a number of researchers. This review discusses the evolutionary role of social gaze in vertebrates (focusing on primates), and a hypothesis that this role has changed substantially for primates compared to other animals. This change may have been driven by morphological changes to the face and eyes of primates, limitations in the facial anatomy of other vertebrates, changes in the ecology of the environment in which primates live, and a necessity to communicate information about the environment, emotional and mental states. The eyes represent different levels of signal value depending on the status, disposition and emotional state of the sender and receiver of such signals. There are regions in the monkey and human brain which contain neurons that respond selectively to faces, bodies and eye gaze. The ability to follow another individual's gaze direction is affected in individuals with autism and other psychopathological disorders, and after particular localized brain lesions. The hypothesis that gaze following is “hard-wired” in the brain, and may be localized within a circuit linking the superior temporal sulcus, amygdala and orbitofrontal cortex is discussed. |
Address |
Center for Neuroscience, Department of Psychiatry & California Regional Primate Research Center, University of California, Davis, CA 95616, USA. njemery@ucdavis.edu |
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ISSN |
0149-7634 |
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Notes |
PMID:10940436 |
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no |
Call Number |
refbase @ user @ |
Serial |
3996 |
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