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	Author	Wittig, R.M.; Crockford, C.; Wikberg, E.; Seyfarth, R.M.; Cheney, D.L.
	Title	Kin-mediated reconciliation substitutes for direct reconciliation in female baboons			Type	Journal Article
	Year	2007	Publication	Proceedings. Biological sciences / The Royal Society	Abbreviated Journal	Proc Biol Sci
	Volume	274	Issue	1613	Pages	1109-1115
	Keywords
	Abstract	It has been hypothesized that group-living mammals engage in reconciliation (post-conflict affiliation between former opponents) to reduce the disruptive costs of aggression and restore opponents' tolerance to baseline levels. Recipients of aggression are sometimes reluctant to tolerate the proximity of a recent opponent, however, in apparent fear that aggression will be renewed. In such cases, reconciliatory behaviour by the aggressor's close kin may substitute for direct reconciliation. We describe a playback experiment with free-ranging baboons (Papio hamadryas ursinus) that examines whether friendly behaviour by the aggressor's kin can substitute for direct reconciliation by the aggressor herself. In the test condition, female subjects who had recently been threatened heard the friendly grunt of one of their aggressor's relatives, mimicking kin-mediated vocal reconciliation. In the control condition, subjects heard the grunt of a dominant female from a different matriline. Subjects responded significantly more strongly in test than in control trials. Moreover, in the next hour they were significantly more likely to tolerate the proximity of both their aggressor and the relative whose grunt they had heard. In contrast, subjects' behaviour towards both control females and other members of their aggressor's matriline was unaffected. We conclude that kin-mediated vocal reconciliation can substitute for direct reconciliation in baboons.
	Address	Department of Biology, University of Pennsylvania, Philadelphia, PA 19104-6018, USA
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0962-8452	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:17301022			Approved	no
	Call Number	refbase @ user @			Serial	342
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	Author	Seyfarth, R.M.; Cheney, D.L.; Bergman, T.J.
	Title	Primate social cognition and the origins of language			Type	Journal Article
	Year	2005	Publication	Trends in Cognitive Sciences	Abbreviated Journal	Trends. Cognit. Sci.
	Volume	9	Issue	6	Pages	264-266
	Keywords	Animals; Cognition; Humans; Language; Papio; Psychological Theory; Social Behavior; *Social Perception
	Abstract	Are the cognitive mechanisms underlying language unique, or can similar mechanisms be found in other domains? Recent field experiments demonstrate that baboons' knowledge of their companions' social relationships is based on discrete-valued traits (identity, rank, kinship) that are combined to create a representation of social relations that is hierarchically structured, open-ended, rule-governed, and independent of sensory modality. The mechanisms underlying language might have evolved from the social knowledge of our pre-linguistic primate ancestors.
	Address	Departments of Biology and Psychology, University of Pennsylvania, Philadelphia, PA 19104, USA. seyfarth@psych.upenn.edu
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1364-6613	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:15925802			Approved	no
	Call Number	refbase @ user @			Serial	343
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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		Pages	145-177
	Keywords	Adaptation, Biological; Animals; Evolution; Family; Female; Haplorhini; Male; Memory; Primates; Selection (Genetics); Social Behavior; Social Dominance; Social Perception
	Abstract
	Address	University of Pennsylvania, USA
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0146-7875	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:11759347			Approved	no
	Call Number	refbase @ user @			Serial	345
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	Author	Cheney, D.L.; Seyfarth, R.M.
	Title	Recognition of other individuals' social relationships by female baboons			Type	Journal Article
	Year	1999	Publication	Animal Behaviour.	Abbreviated Journal	Anim. Behav.
	Volume	58	Issue	1	Pages	67-75
	Keywords
	Abstract	We describe a series of playback experiments designed to test whether free-ranging baboons, Papio cynocephalus ursinus, recognize the calls of other group members and also associate signallers with their close genetic relatives. Pairs of unrelated females were played sequences of calls that mimicked a fight between their relatives. As controls, the same females heard sequences that involved either (1) only the more dominant female's relative or (2) neither of the females' relatives. When call sequences involved their relatives, subjects looked towards the speaker for a longer duration than when the sequences involved nonkin. When the sequences involved the other female's relative, they also looked towards that female. Subjects did not look towards one another when call sequences involved nonkin. Dominant subjects were more likely to supplant their subordinate partners following playbacks of sequences that mimicked a dispute between their relatives than following the two control trials. In contrast, both subjects were more likely to approach one another and to interact in a friendly manner following the two control trials than following the test trial. Results indicate that female baboons recognize the screams and threat grunts not only of their own close relatives but also of unrelated individuals. They also replicate previous studies in suggesting that female monkeys recognize the close associates of other individuals and adjust their interactions with others according to recent events involving individuals other than themselves. Copyright 1999 The Association for the Study of Animal Behaviour.
	Address	Departments of Biology and Psychology, University of Pennsylvania
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0003-3472	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:10413542			Approved	no
	Call Number	refbase @ user @			Serial	346
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	Author	Cheney, D.L.; Seyfarth, R.M.
	Title	Reconciliatory grunts by dominant female baboons influence victims' behaviour			Type	Journal Article
	Year	1997	Publication	Animal Behaviour.	Abbreviated Journal	Anim. Behav.
	Volume	54	Issue	2	Pages	409-418
	Keywords
	Abstract	Following aggressive interactions, dominant female baboons, Papio cynocephalus ursinusoccasionally grunt to their victims. To examine the effect of these apparently reconciliatory grunts on victims' subsequent behaviour, a series of playback experiments was designed to mimic reconciliation. Victims were played their opponents' grunts in the minutes immediately following a fight and then observed for half an hour. After hearing these grunts, victims approached their former opponents and also tolerated their opponents' approaches at significantly higher rates than they did under control conditions. They were also supplanted by their opponents at significantly lower rates. By contrast, playbacks of control females' grunts did not influence victims' behaviour. Playbacks of reconciliatory grunts did not increase the rate at which opponents approached or initiated friendly interactions with their former victims. Playbacks of reconciliatory grunts, therefore, appeared to influence victims', but not opponents', perception of recent events.
	Address	Departments of Biology and Psychology, University of Pennsylvania
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0003-3472	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:9268473			Approved	no
	Call Number	refbase @ user @			Serial	347
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	Author	Cheney, D.L.; Seyfarth, R.M.; Silk, J.B.
	Title	The responses of female baboons (Papio cynocephalus ursinus) to anomalous social interactions: evidence for causal reasoning?			Type	Journal Article
	Year	1995	Publication	Journal of comparative psychology (Washington, D.C. : 1983)	Abbreviated Journal	J Comp Psychol
	Volume	109	Issue	2	Pages	134-141
	Keywords	Animals; Attention; Auditory Perception; Awareness; Concept Formation; Dominance-Subordination; Fear; Female; Hierarchy, Social; Papio/psychology; *Social Behavior; Social Environment; Vocalization, Animal
	Abstract	Baboons' (Papio cynocephalus ursinus) understanding of cause-effect relations in the context of social interactions was examined through use of a playback experiment. Under natural conditions, dominant female baboons often grunt to more subordinate mothers when interacting with their infants. Mothers occasionally respond to these grunts by uttering submissive fear barks. Subjects were played causally inconsistent call sequences in which a lower ranking female apparently grunted to a higher ranking female, and the higher ranking female apparently responded with fear barks. As a control, subjects heard a sequence made causally consistent by the inclusion of grunts from a 3rd female that was dominant to both of the others. Subjects responded significantly more strongly to the causally inconsistent sequences, suggesting that they recognized the factors that cause 1 individual to give submissive vocalizations to another.
	Address	Department of Biology, University of Pennsylvania, Philadelphia 19104, USA
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0735-7036	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:7758289			Approved	no
	Call Number	refbase @ user @			Serial	348
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	Author	Cheney, D.; Seyfarth, R.; Smuts, B.
	Title	Social relationships and social cognition in nonhuman primates			Type	Journal Article
	Year	1986	Publication	Science (New York, N.Y.)	Abbreviated Journal	Science
	Volume	234	Issue	4782	Pages	1361-1366
	Keywords	Animals; Cognition; Female; Male; Pair Bond; Primates/physiology; *Social Behavior; Social Dominance; Social Perception
	Abstract	Complex social relationships among nonhuman primates appear to contribute to individual reproductive success. Experiments with and behavioral observations of natural populations suggest that sophisticated cognitive mechanisms may underlie primate social relationships. Similar capacities are usually less apparent in the nonsocial realm, supporting the view that at least some aspects of primate intelligence evolved to solve the challenges of interacting with conspecifics.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0036-8075	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:3538419			Approved	no
	Call Number	refbase @ user @			Serial	349
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	Author	Seyfarth, R.M.; Cheney, D.L.; Marler, P.
	Title	Monkey responses to three different alarm calls: evidence of predator classification and semantic communication			Type	Journal Article
	Year	1980	Publication	Science (New York, N.Y.)	Abbreviated Journal	Science
	Volume	210	Issue	4471	Pages	801-803
	Keywords	Animal Communication; Animals; Behavior, Animal/physiology; Cercopithecidae/physiology; Fear; Female; Male; Predatory Behavior; Vocalization, Animal
	Abstract	Vervet monkeys give different alarm calls to different predators. Recordings of the alarms played back when predators were absent caused the monkeys to run into trees for leopard alarms, look up for eagle alarms, and look down for snake alarms. Adults call primarily to leopards, martial eagles, and pythons, but infants give leopard alarms to various mammals, eagle alarms to many birds, and snake alarms to various snakelike objects. Predator classification improves with age and experience.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0036-8075	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:7433999			Approved	no
	Call Number	refbase @ user @			Serial	351
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	Author	Seyfarth, R.M.; Cheney, D.L.
	Title	The Structure of Social Knowledge in Monkeys			Type	Book Chapter
	Year	2003	Publication	Animal Social Complexity: Intelligence, Culture, and Individualized Societies	Abbreviated Journal
	Volume		Issue		Pages
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher	Harvard University Press	Place of Publication	Cambridge, Massachusetts	Editor	F. B. M. de Waal; P. L. Tyack
	Language	English	Summary Language		Original Title	Animal Social Complexity: Intelligence, Culture, and Individualized Societies
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN	978-0674009295	Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	refbase @ user @			Serial	464
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	Author	Cheney, D. l .; Seyfarth, R. M.
	Title	Social complexity and the information acquired during eavesdropping by primates and other animals			Type	Book Chapter
	Year	2004	Publication	Animal Communication networks	Abbreviated Journal
	Volume		Issue		Pages
	Keywords
	Abstract	In many of the studies reviewed in this book, eavesdropping takes the following form: a subject has the opportunity to monitor, or eavesdrop upon, an interaction between two other animals,Aand B. The subject then uses the information obtained through these observations to assess A`s and B`s relative dominance or attractiveness as a mate (e.g. Mennill et al., 2002; Ch. 2). For example, Oliveira et al. (1998) found that male fighting fish Betta splendens that had witnessed two other males involved in an aggressive interaction subsequently responded more strongly to the loser of that interaction than the winner. Subjects-behaviour could not have been influenced by any inherent differences between the two males, because subjects responded equally strongly to the winner and the loser of competitive interactions they had not observed. Similarly, Peake et al. (2001) presented male great tits Parus major with the opportunity to monitor an apparent competitive interaction between two strangers by simulating a singing contest using two loudspeakers. The relative timing of the singing bouts (as measured by the degree of overlap between the two songs) provided information about each “contestants” relative status. Following the singing interaction, one of the “contestants” was introduced into the male`s territory. Males responded significantly less strongly to singers that had apparently just “lost” the interaction (see also McGregor & Dabelsteen, 1996; Naguib et al., 1999; Ch. 2). What information does an individual acquire when it eavesdrops on others? In theory, an eavesdropper could acquire information of many different sorts: about A, about B, about the relationship between A and B, or about the place of Animal Communication Networks, ed. Peter K. McGregor. Published by Cambridge University Press. c. Cambridge University Press 2005. 583 P1: JZZ/... P2: JZZ/... 0521823617c25.xml CU1917B/McGregor 0 521 582361 7 October 7, 2004 22:31 584 D. L. Cheney & R. M. Seyfarth A`s and B`s relationship in a larger social framework. The exact information acquired will probably reflect the particular species social structure. For example, songbirds like great tits live in communities in which six or seven neighbours surround each territory-holding male. Males appear to benefit from the knowledge that certain individuals occupy specific areas (e.g. Brooks & Falls, 1975), that competitive interactions between two different neighbours have particular outcomes, and that these outcomes are stable over time. We would, therefore, expect an eavesdropping great tit not only to learn that neighbour A was dominant to neighbour B, for example, but also to form the expectation that A was likely to defeat B in all future encounters. More speculatively, because the outcome of territorial interactions are often site specific (reviewed by Bradbury & Vehrencamp, 1998), we would expect eavesdropping tits to learn further that A dominates B in some areas but B dominates A in others. In contrast, the information gained from monitoring neighbours interactions would unlikely be sufficient to allow the eavesdropper to rank all of its neighbours in a linear dominance hierarchy, because not all neighbouring males would come into contact with one another. Such information would be difficult if not impossible to acquire; it might also be of little functional value. In contrast, species that live in large, permanent social groups have a much greater opportunity to monitor the social interactions of many different individuals simultaneously. Monkey species such as baboons Papio cynocephalus, for example, typically live in groups of 80 or more individuals, which include several matrilineal families arranged in a stable, linear dominance rank order (Silk et al., 1999). Offspring assume ranks similar to those of their mothers, and females maintain close bonds with their matrilineal kin throughout their lives. Cutting across these stable long-term relationships based on rank and kinship are more transient bonds: for example, the temporary associations formed between unrelated females whose infants are of similar ages, and the “friendships” formed between adult males and lactating females as an apparent adaptation against infanticide (Palombit et al., 1997, 2001). In order to compete successfully within such groups, it would seem advantageous for individuals to recognize who outranks whom, who is closely bonded to whom, and who is likely to be allied to whom (Harcourt, 1988, 1992; Cheney & Seyfarth, 1990; see below). The ability to adopt a third party`s perspective and discriminate among the social relationships that exist among others would seem to be of great selective benefit. In this chapter, we review evidence for eavesdropping in selected primate species and we consider what sort of information is acquired when one individual observes or listens in on the interactions of others. We then compare eavesdropping by primates with eavesdropping in other animal species, focusing on both potential differences and directions for further research
	Address
	Corporate Author				Thesis
	Publisher	Cambridge University Press	Place of Publication	Cambridge, Massachusetts	Editor	McGregor, P.K.
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	refbase @ user @			Serial	495
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