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Author de Waal, F.B.M.
Title Animal Social Conflict Type Miscellaneous
Year 1993 Publication Abbreviated Journal
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Call Number Equine Behaviour @ team @ Serial 4894
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Author de Waal, F.B.M.
Title Peacemaking Among Primates Type Miscellaneous
Year 1989 Publication Abbreviated Journal
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Call Number Equine Behaviour @ team @ Serial 4924
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Author Call, J.; Aureli, F.; de Waal, F.B.M.
Title Postconflict third-party affiliation in stumptailed macaques Type Journal Article
Year 2002 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.
Volume 63 Issue 2 Pages 209-216
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Abstract Stumptailed macaques, Macaca arctoides, are characterized by high levels of postconflict affiliative contacts between opponents. We investigated the occurrence of postconflict affiliative contacts between opponents and third parties that were not involved in the original conflict. We collected 10-min focal observations during postconflict and control periods in which we recorded all aggressive and affiliative behaviours between opponents and third parties. We distinguished three types of third parties depending on the relationship with the focal animal: own kin, opponent's kin and individuals unrelated to both opponents. We analysed the interactions with third parties separately, while distinguishing two classes of affiliative behaviours: (1) allogrooming and contact sitting and (2) sociosexual behaviours (e.g. genital inspection). The macaques showed differences between postconflict and control periods in their affiliative contacts with third parties. Aggressors received more postconflict grooming and contact sitting from their opponents' kin, received more sociosexual behaviour from their own kin and unrelated individuals, and directed more sociosexual behaviour to unrelated individuals. Victims received and directed less postconflict grooming from and towards their own kin. They received more postconflict sociosexual behaviour from all partners except their own kin and directed more sociosexual behaviour to all partners except the opponent's kin. This study establishes the occurrence of multiple postconflict triadic affiliation in stumptailed macaques, and is the first to show that victims receive contacts from third parties in a cercopithecine species, a behaviour previously described only in chimpanzees. It also highlights the importance of analysing the different affiliative behaviours separately in postconflict situations. Otherwise, many of the patterns we report, especially those involving victims, would have been missed.
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Call Number refbase @ user @ Serial 304
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Author de Waal, F.B.M.
Title Chimpanzee politics:power and sex among apes. Type Book Whole
Year 1982 Publication Abbreviated Journal
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Publisher Johns Hopkins University Press Place of Publication Baltimore Editor
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ISSN ISBN 978-0801886560 Medium
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Notes (up) Approved no
Call Number Equine Behaviour @ team @ Serial 4857
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Author de Waal, F.B.M.; Aureli, F.
Title Consolation, reconciliation, and a possible cognitive difference between macaque and chimpanzee Type Book Chapter
Year 1996 Publication Reaching into Thought: The Minds of the Great Apes Abbreviated Journal
Volume Issue Pages 80–110.
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Abstract Russon,A.E.; Bard, K.A.; Parker, S.T.
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Publisher Cambridge University Press Place of Publication Cambridge Editor Russon,A.E.; Bard, K.A.; Parker, S.T.
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Call Number Equine Behaviour @ team @ Serial 5060
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Author de Waal, F.B.M.; Luttrell, L.M.
Title Mechanisms of social reciprocity in three primate species: Symmetrical relationship characteristics or cognition? Type Journal Article
Year 1988 Publication Ethology and Sociobiology Abbreviated Journal
Volume 9 Issue 2–4 Pages 101-118
Keywords Reciprocity; Agonistic intervention; Cognition; Chimpanzees; Macaques
Abstract Agonistic intervention behavior was observed in captive groups of chimpanzees (Pan troglodytes), rhesus monkeys (Macaca mulatta), and stumptail monkeys (M. arctoides). Reciprocity correlations of interventions were determined while removing from the data the effects of several symmetrical relationship characteristics, that is, matrillineal kinship, proximity relations, and same-sex combination. It was considered likely that if significant reciprocity persisted after controlling for these characteristics, the reciprocity was based on cognitive mechanisms. Statistical significance was tested by means of recently developed matrix permutation procedures. All three species exhibited significant reciprocity with regard to beneficial interventions, even after controlling for symmetrical traits. Harmful interventions were, however, reciprocal among chimpanzees only. This species showed a “revenge system”, that is, if A often intervened against B, B did the same to A. In contrast, both macaque species showed significantly inversed reciprocity in their harmful interventions: if A often intervened against B, B rarely intervened against A. Further analysis indicates that the strict hierarchy of macaques prevents them from achieving complete reciprocity. Compared to chimpanzees, macaques rarely intervene against higher ranking group members. The observed contrast can be partially explained on the basis of differences in available space, as indicated by a comparison of indoor and outdoor living conditions for the chimpanzee colony. Yet, even when such spatial factors are taken into account, substantial behavior differences between chimpanzees and macaques remain.
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ISSN 0162-3095 ISBN Medium
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Call Number Equine Behaviour @ team @ Serial 5809
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Author de Waal, F.B.M.; Ferrari, P.F.
Title Towards a bottom-up perspective on animal and human cognition Type Journal Article
Year 2010 Publication Trends in Cognitive Sciences Abbreviated Journal Trends Cognit. Sci.
Volume 14 Issue 5 Pages 201-207
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Abstract Over the last few decades, comparative cognitive research has focused on the pinnacles of mental evolution, asking all-or-nothing questions such as which animals (if any) possess a theory of mind, culture, linguistic abilities, future planning, and so on. Research programs adopting this top-down perspective have often pitted one taxon against another, resulting in sharp dividing lines. Insight into the underlying mechanisms has lagged behind. A dramatic change in focus now seems to be under way, however, with increased appreciation that the basic building blocks of cognition might be shared across a wide range of species. We argue that this bottom-up perspective, which focuses on the constituent capacities underlying larger cognitive phenomena, is more in line with both neuroscience and evolutionary biology.
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ISSN 1364-6613 ISBN Medium
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Notes (up) Approved no
Call Number Equine Behaviour @ team @ Serial 5857
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Author de Waal, F.B.M.
Title Putting the Altruism Back into Altruism: The Evolution of Empathy Type Journal Article
Year 2008 Publication Annual Review of Psychology Abbreviated Journal Annu Rev Psychol
Volume 59 Issue 1 Pages 279-300
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Abstract Evolutionary theory postulates that altruistic behavior evolved for the return-benefits it bears the performer. For return-benefits to play a motivational role, however, they need to be experienced by the organism. Motivational analyses should restrict themselves, therefore, to the altruistic impulse and its knowable consequences. Empathy is an ideal candidate mechanism to underlie so-called directed altruism, i.e., altruism in response to anothers's pain, need, or distress. Evidence is accumulating that this mechanism is phylogenetically ancient, probably as old as mammals and birds. Perception of the emotional state of another automatically activates shared representations causing a matching emotional state in the observer. With increasing cognition, state-matching evolved into more complex forms, including concern for the other and perspective-taking. Empathy-induced altruism derives its strength from the emotional stake it offers the self in the other's welfare. The dynamics of the empathy mechanism agree with predictions from kin selection and reciprocal altruism theory.
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Publisher Annual Reviews Place of Publication Editor
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ISSN 0066-4308 ISBN Medium
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Notes (up) doi: 10.1146/annurev.psych.59.103006.093625 Approved no
Call Number Equine Behaviour @ team @ Serial 5058
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Author Aureli, F.; Preston, S.D.; de Waal, F.B.
Title Heart rate responses to social interactions in free-moving rhesus macaques (Macaca mulatta): a pilot study Type Journal Article
Year 1999 Publication Journal of comparative psychology (Washington, D.C. : 1983) Abbreviated Journal J Comp Psychol
Volume 113 Issue 1 Pages 59-65
Keywords Animals; Behavior, Animal/physiology; Female; Grooming/physiology; Heart Rate/*physiology; Macaca mulatta/*physiology; Male; Movement/*physiology; Pilot Projects; *Social Behavior
Abstract Heart rate telemetry was explored as a means to access animal emotion during social interactions under naturalistic conditions. Heart rates of 2 middle-ranking adult females living in a large group of rhesus macaques (Macaca mulatta) were recorded along with their behavior. Heart rate changes during 2 types of interactions were investigated, while controlling for the effects of posture and activity. The risk of aggression associated with the approach of a dominant individual was expected to provoke anxiety in the approachee. This prediction was supported by the heart rate increase after such an approach. No increase was found when the approacher was a kin or a subordinate individual. The tension-reduction function of allogrooming was also supported. Heart rate decelerated faster during the receipt of grooming than in matched control periods.
Address Yerkes Regional Primate Research Center, Emory University, Atlanta, Georgia 30322, USA. aureli@rmy.emory.edu
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Language English Summary Language Original Title
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ISSN 0735-7036 ISBN Medium
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Notes (up) PMID:10098269 Approved no
Call Number refbase @ user @ Serial 197
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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
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN 0028-0836 ISBN Medium
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Notes (up) PMID:10385107 Approved no
Call Number refbase @ user @ Serial 196
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