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	Author	de Waal, F.B.M.
	Title	Peace lessons from an unlikely source			Type	Journal Article
	Year	2004	Publication	PLoS biology	Abbreviated Journal	PLoS. Biol.
	Volume	2	Issue	4	Pages	E101
	Keywords	Animals; Behavior; Behavior, Animal; Culture; Humans; Interpersonal Relations; Research; Social Conditions; Social Environment; United States; *Violence
	Abstract
	Address	Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, USA. dewaal@emory.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	1545-7885	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:15094805			Approved	no
	Call Number	refbase @ user @			Serial	174
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	Author	Preston, S.D.; de Waal, F.B.M.
	Title	Empathy: Its ultimate and proximate bases			Type	Journal Article
	Year	2002	Publication	Behavioral and Brain Sciences	Abbreviated Journal	Behav Brain Sci
	Volume	25	Issue	1	Pages	1-20; discussion 20-71
	Keywords	Adult; Animals; Child; Emotions/physiology; *Empathy; Evolution; Haplorhini; Helping Behavior; Humans; Mental Disorders/physiopathology/psychology; Morals; Personality Development; Phylogeny; Prefrontal Cortex/physiopathology; Socialization
	Abstract	There is disagreement in the literature about the exact nature of the phenomenon of empathy. There are emotional, cognitive, and conditioning views, applying in varying degrees across species. An adequate description of the ultimate and proximate mechanism can integrate these views. Proximately, the perception of an object's state activates the subject's corresponding representations, which in turn activate somatic and autonomic responses. This mechanism supports basic behaviors (e.g., alarm, social facilitation, vicariousness of emotions, mother-infant responsiveness, and the modeling of competitors and predators) that are crucial for the reproductive success of animals living in groups. The Perception-Action Model (PAM), together with an understanding of how representations change with experience, can explain the major empirical effects in the literature (similarity, familiarity, past experience, explicit teaching, and salience). It can also predict a variety of empathy disorders. The interaction between the PAM and prefrontal functioning can also explain different levels of empathy across species and age groups. This view can advance our evolutionary understanding of empathy beyond inclusive fitness and reciprocal altruism and can explain different levels of empathy across individuals, species, stages of development, and situations.
	Address	University of Iowa Hospital and Clinics, 2RCP-Neurology Clinic, Iowa City, IA 52242. stephanie-d-preston@uiowa.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	0140-525X	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:12625087			Approved	no
	Call Number	refbase @ user @			Serial	181
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	Author	de Waal, F.B.M.
	Title	Silent invasion: Imanishi's primatology and cultural bias in science			Type	Journal Article
	Year	2003	Publication	Animal cognition	Abbreviated Journal	Anim. Cogn.
	Volume	6	Issue	4	Pages	293-299
	Keywords	Animals; Behavior, Animal; Culture; Ecosystem; History, 20th Century; Philosophy; Portraits; Prejudice; Primates/psychology; Psychology, Comparative/*history; Research Design/trends
	Abstract
	Address	Living Links, Yerkes Primate Center, Emory University, Atlanta, GA 30322, USA. dewaal@emory.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	1435-9448	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:14551801			Approved	no
	Call Number	refbase @ user @			Serial	178
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	Author	Noë, R.; de Waal, F.B.; van Hooff, J.A.
	Title	Types of dominance in a chimpanzee colony			Type	Journal Article
	Year	1980	Publication	Folia primatologica; international journal of primatology	Abbreviated Journal	Folia Primatol (Basel)
	Volume	34	Issue	1-2	Pages	90-110
	Keywords	Agonistic Behavior; Animals; Animals, Zoo; Behavior, Animal; Competitive Behavior; Factor Analysis, Statistical; Female; Hierarchy, Social; Male; Pan troglodytes; *Social Dominance
	Abstract	This study examines to what extent the concept of dominance can be used to describe the social structure of a group of semi-free-living chimpanzees. 15 behavioural variables, based on agonistic, competitive and affinitive behaviour patterns, have been compared with respect to the interindividual directions in which they occurred. In this analysis use was made of indices that reflect the position an individual occupies in the relationship structure. These indices were calculated per individual for all variables and subjected to factor analysis and cluster analysis. As a result, 13 of the variables could be grouped in three categories which have been labelled: (1) agonistic dominance; (2) bluff dominance, and (3) competitive dominance. Whereas the top positions in the hierarchies based on the first two closely related types of dominance were occupied by the adult males, the hierarchy based on the third type was headed by several adult females.
	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	0015-5713	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:7439873			Approved	no
	Call Number	refbase @ user @			Serial	212
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	Author	Flack, J.C.; de Waal, F.B.M.; Krakauer, D.C.
	Title	Social structure, robustness, and policing cost in a cognitively sophisticated species			Type	Journal Article
	Year	2005	Publication	The American Naturalist	Abbreviated Journal	Am Nat
	Volume	165	Issue	5	Pages	E126-139
	Keywords	Animals; Behavior, Animal; Cognition; Conflict (Psychology); Female; Macaca nemestrina/physiology; Male; Models, Biological; *Social Behavior
	Abstract	Conflict management is one of the primary requirements for social complexity. Of the many forms of conflict management, one of the rarest and most interesting is third-party policing, or intervening impartially to control conflict. Third-party policing should be hard to evolve because policers personally pay a cost for intervening, while the benefits are diffused over the whole group. In this study we investigate the incidence and costs of policing in a primate society. We report quantitative evidence of non-kin policing in the nonhuman primate, the pigtailed macaque. We find that policing is effective at reducing the intensity of or terminating conflict when performed by the most powerful individuals. We define a measure, social power consensus, that predicts effective low-cost interventions by powerful individuals and ineffective, relatively costly interventions by low-power individuals. Finally, we develop a simple probabilistic model to explore whether the degree to which policing can effectively reduce the societal cost of conflict is dependent on variance in the distribution of power. Our data and simple model suggest that third-party policing effectiveness and cost are dependent on power structure and might emerge only in societies with high variance in power.
	Address	Santa Fe Institute, Santa Fe, New Mexico 87501, USA. jflack@santafe.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	1537-5323	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:15795848			Approved	no
	Call Number	refbase @ user @			Serial	168
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	Author	de Waal, F.B.
	Title	Cultural primatology comes of age			Type	Journal Article
	Year	1999	Publication	Nature	Abbreviated Journal	Nature
	Volume	399	Issue	6737	Pages	635-636
	Keywords	Animals; Behavior, Animal; Culture; Humans; Pan troglodytes/*physiology
	Abstract
	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	0028-0836	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:10385107			Approved	no
	Call Number	refbase @ user @			Serial	196
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	Author	Parr, L.A.; Matheson, M.D.; Bernstein, I.S.; De Waal, F.B.M.
	Title	Grooming down the hierarchy: allogrooming in captive brown capuchin monkeys, Cebus apella			Type	Journal Article
	Year	1997	Publication	Animal Behaviour.	Abbreviated Journal	Anim. Behav.
	Volume	54	Issue	2	Pages	361-367
	Keywords
	Abstract	Observations of captive female brown capuchin monkeys in five groups revealed that grooming is primarily the occupation of dominant females at both the individual and dyadic levels. When categorized according to rank class, alpha females were the only class to perform significantly more grooming than they received. These results are inconsistent with reports on vervets, baboons and macaques, and suggest that grooming in capuchin monkeys may have different functions from those reported for cercopithecine primates. A dyadic analysis revealed, however, that grooming occurred more often between closely ranked females, similar to what is seen in several Old World monkey species. Therefore, some aspects of grooming in capuchins are similar to that seen in Old World monkeys, but the way they distribute grooming is different, which may prompt a re-evaluation of current theories regarding the social function of allogrooming in non-human primates.
	Address	Yerkes Regional Primate Research Center and Department of Psychology, Emory University
	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:9268468			Approved	no
	Call Number	refbase @ user @			Serial	200
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	Author	de Waal, F.B.
	Title	Primates--A natural heritage of conflict resolution			Type	Journal Article
	Year	2000	Publication	Science (New York, N.Y.)	Abbreviated Journal	Science
	Volume	289	Issue	5479	Pages	586-590
	Keywords	Aggression/psychology; Animals; Behavior, Animal; Conflict (Psychology); Female; Humans; Male; Primates; Social Behavior; Social Dominance
	Abstract	The traditional notion of aggression as an antisocial instinct is being replaced by a framework that considers it a tool of competition and negotiation. When survival depends on mutual assistance, the expression of aggression is constrained by the need to maintain beneficial relationships. Moreover, evolution has produced ways of countering its disruptive consequences. For example, chimpanzees kiss and embrace after fights, and other nonhuman primates engage in similar “reconciliations.” Theoretical developments in this field carry implications for human aggression research. From families to high schools, aggressive conflict is subject to the same constraints known of cooperative animal societies. It is only when social relationships are valued that one can expect the full complement of natural checks and balances.
	Address	Living Links, Center for the Advanced Study of Human and Ape Evolution, Yerkes Regional Primate Research Center, and Psychology Department, Emory University, Atlanta, GA 30322, USA. dewaal@emory.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	0036-8075	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:10915614			Approved	no
	Call Number	refbase @ user @			Serial	187
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	Author	Call, J.; Aureli,F.; de Waal, F.B. M.
	Title	Reconciliation patterns among stumptailed macaques: a multivariate approach			Type	Journal Article
	Year	1999	Publication	Animal Behaviour.	Abbreviated Journal	Anim. Behav.
	Volume	58	Issue	1	Pages	165-172
	Keywords
	Abstract	This study focused on two aspects of the dynamics of reconciliation in stumptailed macaques, Macaca arctoides. First, we investigated the combined effects of multiple variables (i.e. sex, age, rank, conflict intensity, outcome, or number of participants, interopponent distance, kinship and friendship) on the occurrence of reconciliation. Second, we investigated whether opponents used different behaviour patterns in their postconflict reunions depending on the characteristics of their conflicts or their relationship with their opponents. We studied a multimale, multifemale group of 38 stumptailed macaques housed in a large outdoor compound. Three types of data were collected: (1) instantaneous scan sampling of contact sitting to infer 'friendship'; (2) ad libitum data on bared-teeth and teeth-chattering displays to infer dominance rank; (3) 10-min focal observations during postconflict (PC) and matched control (MC) periods in which we recorded interopponent distance at the beginning of the observation and all aggressive and affiliative behaviours between former opponents. Our study confirmed the high conciliatory tendency of stumptailed macaques previously reported for other groups. A stepwise logistic regression revealed that initial interopponent distance in PC, friendship and kinship were the only factors that independently contributed to explain the occurrence of reconciliation. Two main clusters of postconflict behavioural patterns emerged: allogrooming+contact sitting and sociosexual behaviours (e.g. hold-bottom). It is hypothesized that postconflict allogrooming and contact sitting may be used for the maintenance of valuable relationships, whereas sociosexual behaviours may be used more indiscriminately by any pair of opponents as a buffering mechanism to prevent immediate recurrence of aggression. Copyright 1999 The Association for the Study of Animal Behaviour.
	Address	School of Biological Sciences, University of Liverpool
	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:10413553			Approved	no
	Call Number	refbase @ user @			Serial	194
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	Author	de Waal, F.B.; Seres, M.
	Title	Propagation of handclasp grooming among captive chimpanzees			Type	Journal Article
	Year	1997	Publication	American journal of primatology	Abbreviated Journal	Am. J. Primatol.
	Volume	43	Issue	4	Pages	339-346
	Keywords	Animals; Family Relations; Female; Grooming; Learning; Male; Pan troglodytes/psychology; *Social Behavior
	Abstract	A grooming posture previously reported for two wild chimpanzee (Pan troglodytes) communities developed spontaneously in a captive group of the same species. This offered a unique opportunity to follow the propagation of a new social custom. The posture consists of two partners grasping hands--either both right hands or both left hands--and raising the arms in an A-frame above their heads while mutually grooming with their free hands. The propagation of this pattern was followed over a 5 year period. In the beginning, handclasps were always initiated by the same adult female. This female initiated the posture mainly with her adult female kin. In subsequent years, these relatives became frequent participants in the posture with each other as well as with nonrelatives. Over the years the posture increased in frequency and duration and spread to the majority of adults and also to a few adolescents and older juveniles. The pattern persisted after removal of the apparent originator.
	Address	Yerkes Primate Center, Emory University, Atlanta, GA 30329, USA. dewaal@emory.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	0275-2565	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:9403098			Approved	no
	Call Number	refbase @ user @			Serial	202
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