Records |
Author |
Sundaresan, S.R.; Fischhoff, I.R.; Dushoff, J.; Rubenstein, D.I. |
Title |
Network metrics reveal differences in social organization between two fission-fusion species, Grevy's zebra and onager |
Type |
Journal Article |
Year |
2007 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Oecologia |
Abbreviated Journal |
Oecologia |
Volume |
151 |
Issue |
1 |
Pages |
140-149 |
Keywords |
Analysis of Variance; Animals; Behavior, Animal/*physiology; *Environment; Equidae/*physiology; Female; India; Kenya; Male; *Models, Theoretical; *Social Behavior; *Social Environment |
Abstract |
For species in which group membership frequently changes, it has been a challenge to characterize variation in individual interactions and social structure. Quantifying this variation is necessary to test hypotheses about ecological determinants of social patterns and to make predictions about how group dynamics affect the development of cooperative relationships and transmission processes. Network models have recently become popular for analyzing individual contacts within a population context. We use network metrics to compare populations of Grevy's zebra (Equus grevyi) and onagers (Equus hemionus khur). These closely related equids, previously described as having the same social system, inhabit environments differing in the distribution of food, water, and predators. Grevy's zebra and onagers are one example of many sets of coarsely similar fission-fusion species and populations, observed elsewhere in other ungulates, primates, and cetaceans. Our analysis of the population association networks reveals contrasts consistent with their distinctive environments. Grevy's zebra individuals are more selective in their association choices. Grevy's zebra form stable cliques, while onager associations are more fluid. We find evidence that females associate assortatively by reproductive state in Grevy's zebra but not in onagers. The current approach demonstrates the utility of network metrics for identifying fine-grained variation among individuals and populations in association patterns. From our analysis, we can make testable predictions about behavioral mechanisms underlying social structure and its effects on transmission processes. |
Address |
Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. ssundare@princeton.edu |
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English |
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ISSN |
0029-8549 |
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Notes |
PMID:16964497 |
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no |
Call Number |
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Serial |
1863 |
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Author |
Gauvin, S.; Giraldeau, L.-A. |
Title |
Nutmeg mannikins ( Lonchura punctulata) reduce their feeding rates in response to simulated competition |
Type |
Journal Article |
Year |
2004 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Oecologia |
Abbreviated Journal |
Oecologia |
Volume |
139 |
Issue |
1 |
Pages |
150-156 |
Keywords |
Animals; *Feeding Behavior; Population Density; *Social Behavior; *Songbirds |
Abstract |
Group feeding animals experience a number of competitive foraging costs that may result in a lowered feeding rate. It is important to distinguish between reductions in feeding rates that are caused by reduced food availability and physical interactions among foragers from those caused by the mere presence of foraging companions that may be self-imposed in order to obtain some benefit of group membership. Starlings ( Sturnus vulgaris) reduce their feeding rates when in the company of simulated competitors located in an adjacent cage that cannot affect the food availability or interact with the forager. In the present study, we investigate whether the presence of simulated competitors in another species of passerine, nutmeg mannikins ( Lonchura punctulata), can result in self-imposed reductions in feeding rates. When feeding in the company of simulated competitors, mannikins spent more non-foraging time near them, fed more slowly, reduced travel times between patches, reduced their scanning time and pecked more slowly. These results provide evidence that simulated competitors induce a reduction in pecking rate: behavioural interference. These self-imposed responses to competitors may have resulted from attempts to remain close to the non-feeding companions. Such self-imposed reductions in feeding rates may be a widespread yet generally unrecognised foraging cost to group feeding individuals. |
Address |
Department of Biology, Concordia University, Montreal, Quebec, Canada |
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English |
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ISSN |
0029-8549 |
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Notes |
PMID:14722748 |
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no |
Call Number |
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Serial |
2133 |
Permanent link to this record |
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Author |
Whiten, A. |
Title |
Social complexity and social intelligence |
Type |
Conference Article |
Year |
2000 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Novartis Foundation Symposium |
Abbreviated Journal |
Novartis Found Symp |
Volume |
233 |
Issue |
|
Pages |
185-96; discussion 196-201 |
Keywords |
Animals; Brain/anatomy & histology/*physiology; Humans; *Intelligence/physiology; Learning; Models, Psychological; Primates; *Social Behavior; Social Problems |
Abstract |
When we talk of the 'nature of intelligence', or any other attribute, we may be referring to its essential structure, or to its place in nature, particularly the function it has evolved to serve. Here I examine both, from the perspective of the evolution of intelligence in primates. Over the last 20 years, the Social (or 'Machiavellian') Intelligence Hypothesis has gained empirical support. Its core claim is that the intelligence of primates is primarily an adaptation to the special complexities of primate social life. In addition to this hypothesis about the function of intellect, a secondary claim is that the very structure of intelligence has been moulded to be 'social' in character, an idea that presents a challenge to orthodox views of intelligence as a general-purpose capacity. I shall outline the principal components of social intelligence and the environment of social complexity it engages with. This raises the question of whether domain specificity is an appropriate characterization of social intelligence and its subcomponents, like theory of mind. As a counter-argument to such specificity I consider the hypothesis that great apes exhibit a cluster of advanced cognitive abilities that rest on a shared capacity for second-order mental representation. |
Address |
School of Psychology, University of St Andrews, St Andrews, Fife KY16 9JU, UK |
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English |
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Edition |
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ISSN |
1528-2511 |
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Notes |
PMID:11276903 |
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no |
Call Number |
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Serial |
2084 |
Permanent link to this record |
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Author |
Fabrega, H.J. |
Title |
Making sense of behavioral irregularities of great apes |
Type |
Journal Article |
Year |
2006 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
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 |
ISBN |
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Conference |
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Notes |
PMID:17079015 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2802 |
Permanent link to this record |
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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 ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
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 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
3996 |
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 ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
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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0028-3932 |
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Notes |
PMID:12459220 |
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no |
Call Number |
refbase @ user @ |
Serial |
182 |
Permanent link to this record |
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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 ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
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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ISSN |
2352-2895 |
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no |
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Equine Behaviour @ team @ |
Serial |
6413 |
Permanent link to this record |
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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 ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
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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0146-7875 |
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PMID:11759347 |
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no |
Call Number |
refbase @ user @ |
Serial |
345 |
Permanent link to this record |
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Author |
Adolphs, R. |
Title |
Cognitive neuroscience of human social behaviour |
Type |
Journal Article |
Year |
2003 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
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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1471-003X |
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PMID:12612630 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4706 |
Permanent link to this record |
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Author |
de Waal, F.B.M. |
Title |
A century of getting to know the chimpanzee |
Type |
Journal Article |
Year |
2005 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Nature |
Abbreviated Journal |
Nature |
Volume |
437 |
Issue |
7055 |
Pages |
56-59 |
Keywords |
Aggression; Animals; Behavior, Animal/*physiology; Competitive Behavior; Cooperative Behavior; Female; Humans; Male; Pan troglodytes/genetics/*physiology/psychology; Sexual Behavior, Animal; *Social Behavior |
Abstract |
A century of research on chimpanzees, both in their natural habitat and in captivity, has brought these apes socially, emotionally and mentally much closer to us. Parallels and homologues between chimpanzee and human behaviour range from tool-technology and cultural learning to power politics and intercommunity warfare. Few behavioural domains have remained untouched by this increased knowledge, which has dramatically challenged the way we view ourselves. The sequencing of the chimpanzee genome will no doubt bring more surprises and insights. Humans do occupy a special place among the primates, but this place increasingly has to be defined against a backdrop of substantial similarity. |
Address |
Living Links, Yerkes National Primate Research Center, Emory University, 954 North Gatewood Road, Atlanta, Georgia 30322, USA. dewaal@emory.edu |
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Edition |
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ISSN |
1476-4687 |
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Notes |
PMID:16136128 |
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no |
Call Number |
refbase @ user @ |
Serial |
162 |
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