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Author Weaver, A.; de Waal, F.B.M. openurl 
  Title An index of relationship quality based on attachment theory Type Journal Article
  Year 2002 Publication Journal of comparative psychology (Washington, D.C. : 1983) Abbreviated Journal J Comp Psychol  
  Volume 116 Issue 1 Pages 93-106  
  Keywords Analysis of Variance; Animals; *Behavior, Animal; Female; Male; *Maternal Behavior; *Object Attachment; Pan troglodytes/*psychology; Pilot Projects  
  Abstract Two measures are reported of the nature or quality of a mother-offspring (MO) relationship during development using brown capuchin monkeys (Cebus apella) as models. One is a qualitative classification of MO relationships as secure, resistant, or avoidant attachments. The other is an empirical ratio of relative affiliation to agonism called the MO relationship quality, or MORQ, Index. The two methods tapped similar relationship features so relationships high or low of a median split of MORQ values were heuristically labeled secure (n = 22) or insecure (n = 16), respectively. A comparison revealed extensive behavioral differences between secure and insecure MO relationships and suggested MORQ provided an objective, continuous measure of attachment security.  
  Address Yerkes Regional Primate Research Center, Emory University, USA. achweaver@att.net  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition (up)  
  ISSN 0735-7036 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:11930937 Approved no  
  Call Number refbase @ user @ Serial 183  
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Author de Waal, F.B.; Aureli, F.; Judge, P.G. openurl 
  Title Coping with crowding Type Journal Article
  Year 2000 Publication Scientific American Abbreviated Journal Sci Am  
  Volume 282 Issue 5 Pages 76-81  
  Keywords *Adaptation, Psychological; Animals; Behavior, Animal; Emotions; Female; Grooming; Homicide; Humans; Macaca mulatta; Male; Pan troglodytes; *Population Density; Primates; Rodentia; Rural Population; Territoriality; Urban Population; Violence  
  Abstract  
  Address Living Links Center, Yerkes Regional Primate Research Center, Atlanta, USA  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition (up)  
  ISSN 0036-8733 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:11056991 Approved no  
  Call Number refbase @ user @ Serial 184  
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Author de Waal, F.B. openurl 
  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  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition (up)  
  ISSN 0036-8075 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:10915614 Approved no  
  Call Number refbase @ user @ Serial 187  
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Author Parish, A.R.; De Waal, F.B. openurl 
  Title The other “closest living relative”. How bonobos (Pan paniscus) challenge traditional assumptions about females, dominance, intra- and intersexual interactions, and hominid evolution Type Journal Article
  Year 2000 Publication Annals of the New York Academy of Sciences Abbreviated Journal Ann N Y Acad Sci  
  Volume 907 Issue Pages 97-113  
  Keywords Animals; *Evolution; Female; Hominidae/*physiology; Humans; *Interpersonal Relations; Male; Pan paniscus/*physiology; Sexual Behavior, Animal/*physiology  
  Abstract Chimpanzee (Pan troglodytes) societies are typically characterized as physically aggressive, male-bonded and male-dominated. Their close relatives, the bonobos (Pan paniscus), differ in startling and significant ways. For instance, female bonobos bond with one another, form coalitions, and dominate males. A pattern of reluctance to consider, let alone acknowledge, female dominance in bonobos exists, however. Because both species are equally “man's” closest relative, the bonobo social system complicates models of human evolution that have historically been based upon referents that are male and chimpanzee-like. The bonobo evidence suggests that models of human evolution must be reformulated such that they also accommodate: real and meaningful female bonds; the possibility of systematic female dominance over males; female mating strategies which encompass extra-group paternities; hunting and meat distribution by females; the importance of the sharing of plant foods; affinitive inter-community interactions; males that do not stalk and attack and are not territorial; and flexible social relationships in which philopatry does not necessarily predict bonding pattern.  
  Address Department of Anthropology, University College London, England  
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  Series Volume Series Issue Edition (up)  
  ISSN 0077-8923 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:10818623 Approved no  
  Call Number refbase @ user @ Serial 189  
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Author de Waal, F.B. openurl 
  Title The end of nature versus nurture Type Journal Article
  Year 1999 Publication Scientific American Abbreviated Journal Sci Am  
  Volume 281 Issue 6 Pages 94-99  
  Keywords Animals; *Behavior; Behavior, Animal; Ecology; *Environment; Ethology; Evolution; Female; *Genetics; Humans; Instinct; Learning; Male; Sex Characteristics; Twin Studies  
  Abstract  
  Address Living Links Center, Yerkes Regional Primate Research Center, Atlanta, USA  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition (up)  
  ISSN 0036-8733 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:10614071 Approved no  
  Call Number refbase @ user @ Serial 192  
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Author Parr, L.A.; de Waal, F.B. doi  openurl
  Title Visual kin recognition in chimpanzees Type
  Year 1999 Publication Nature Abbreviated Journal Nature  
  Volume 399 Issue 6737 Pages 647-648  
  Keywords Animals; *Behavior, Animal; Face; Female; Male; Pan troglodytes/*physiology  
  Abstract  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition (up)  
  ISSN 0028-0836 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:10385114 Approved no  
  Call Number refbase @ user @ Serial 195  
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Author de Waal, F.B. doi  openurl
  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  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition (up)  
  ISSN 0028-0836 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:10385107 Approved no  
  Call Number refbase @ user @ Serial 196  
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Author Aureli, F.; Preston, S.D.; de Waal, F.B. openurl 
  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  
  Corporate Author Thesis  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition (up)  
  ISSN 0735-7036 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:10098269 Approved no  
  Call Number refbase @ user @ Serial 197  
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Author Aureli, F.; de Waal, F.B. doi  openurl
  Title Inhibition of social behavior in chimpanzees under high-density conditions Type Journal Article
  Year 1997 Publication American journal of primatology Abbreviated Journal Am. J. Primatol.  
  Volume 41 Issue 3 Pages 213-228  
  Keywords Aggression/*psychology; Animals; *Behavior, Animal; *Crowding; Female; Male; Pan troglodytes/*psychology; Population Density; *Social Environment; Stress, Psychological  
  Abstract This is the first study to investigate the short-term effects of high population density on captive chimpanzees (Pan troglodytes). Subjects of the study were 45 chimpanzees living in five different groups at the Yerkes Regional Primate Research Center. The groups were observed under two conditions: 1) when they had access to both the indoor and outdoor sections of their enclosures; 2) during cold days when they were locked into the indoor runs, which reduced the available space by more than half. Under the high-density condition, allogrooming and submissive greetings decreased, but juvenile play increased. Remarkably, the rate of various forms of agonistic behavior, such as aggression, bluff charge, bluff display, and hooting, occurred less frequently under the high-density condition. This general decrease in adult social activity, including agonistic behavior, can be interpreted as an inhibition strategy to reduce opportunities for conflict when interindividual distances are reduced. This strategy is probably effective only in the short run, however. Behavioral indicators of anxiety, such as rough scratching and yawning, showed elevated rates, suggesting increased social tension under the high-density condition.  
  Address Yerkes Regional Primate Research Center, Emory University, Atlanta, GA 30322, USA  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition (up)  
  ISSN 0275-2565 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:9057966 Approved no  
  Call Number refbase @ user @ Serial 203  
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Author de Waal, F.B. openurl 
  Title Macaque social culture: development and perpetuation of affiliative networks Type Journal Article
  Year 1996 Publication Journal of comparative psychology (Washington, D.C. : 1983) Abbreviated Journal J Comp Psychol  
  Volume 110 Issue 2 Pages 147-154  
  Keywords Animals; Dominance-Subordination; Female; Macaca mulatta/*psychology; Male; Maternal Behavior; *Peer Group; Sexual Behavior, Animal; *Social Behavior; Social Distance; *Social Environment  
  Abstract Maternal affiliative relations may be transmitted to offspring, similar to the way in which maternal rank determines offspring rank. The development of 23 captive female rhesus monkeys (Macaca mulatta) was followed from the day of birth until adulthood. A multivariate analysis compared relations among age peers with affiliative relations, kinship, and rank distance among mothers. Maternal relations were an excellent predictor of affiliative relations among daughters, explaining up to 64% of the variance. Much of this predictability was due to the effect of kinship. However, after this variable had been controlled, significant predictability persisted. For relations of female subjects with male peers, on the other hand, maternal relations had no significant predictive value beyond the effect of kinship. One possible explanation of these results is that young rhesus females copy maternal social preferences through a process of cultural learning.  
  Address Department of Psychology, Emory University, Atlanta, Georgia 30322, USA. dewaal@rmy.emory.edu  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition (up)  
  ISSN 0735-7036 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8681528 Approved no  
  Call Number refbase @ user @ Serial 204  
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