Records |
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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English |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0735-7036 |
ISBN |
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Medium |
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Conference |
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Notes |
PMID:10098269 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
197 |
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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 |
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English |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0275-2565 |
ISBN |
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Medium |
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Conference |
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Notes |
PMID:9403098 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
202 |
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Author |
Judge, P.G.; de Waal, F.B. |
Title |
Intergroup grooming relations between alpha females in a population of free-ranging rhesus macaques |
Type |
Journal Article |
Year |
1994 |
Publication |
Folia primatologica; international journal of primatology |
Abbreviated Journal |
Folia Primatol (Basel) |
Volume |
63 |
Issue |
2 |
Pages |
63-70 |
Keywords |
Animals; Animals, Wild; Female; *Grooming; Macaca mulatta/*psychology; Male; Population Density; *Social Behavior |
Abstract |
Intergroup affiliation among female rhesus macaques, Macaca mulatta, was examined in the captive free-ranging colony of Morgan Island, S.C., USA. The provisioned colony has many social groups (35) and is maintained at a relatively high population density (21 animals/ha) with a relatively low adult male to female ratio (1:8.8). Focal and ad libitum samples were collected on 32 adults (3 males and 29 females) from two groups. Although infrequent, grooming was observed between adult females from different groups, and alpha females were the main participants in these interactions. Colony records indicated that none of the intergroup grooms was between females formerly from a common group. Relations between familiar neighboring groups may be maintained by a combination of both affiliative and aggressive behavior. |
Address |
Yerkes Regional Primate Research Center, Lawrenceville, Ga 30243 |
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English |
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Edition |
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ISSN |
0015-5713 |
ISBN |
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Conference |
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Notes |
PMID:7813977 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
208 |
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Author |
de Waal, F.B.; Johanowicz, D.L. |
Title |
Modification of reconciliation behavior through social experience: an experiment with two macaque species |
Type |
Journal Article |
Year |
1993 |
Publication |
Child development |
Abbreviated Journal |
Child Dev |
Volume |
64 |
Issue |
3 |
Pages |
897-908 |
Keywords |
Aggression; Animals; *Behavior, Animal; Female; Grooming; *Macaca; *Macaca mulatta; Male; Play and Playthings; *Socialization; Vocalization, Animal |
Abstract |
Reconciliation, defined as a friendly reunion between former opponents shortly after an aggressive encounter, is common in the stumptail macaque (Macaca arctoides) but rare in the rhesus macaque (M. mulatta). Juveniles of the two species were cohoused for 5 months, after which they were observed with conspecifics only. Control rhesus monkeys, matched in age and sex to the experimental subjects, went through the same procedure without exposure to the other species. A threefold increase in the proportion of reconciled fights was measured in the rhesus subjects. The difference emerged gradually during cohousing with the tutor species and was sustained following removal of this species. Other behavior, such as grooming and aggression, decreased over time. It is suggested that the social attitude of the subjects was affected through contact with a species characterized by a more relaxed dominance style. |
Address |
Wisconsin Regional Primate Research Center, University of Wisconsin-Madison |
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English |
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Edition |
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ISSN |
0009-3920 |
ISBN |
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Notes |
PMID:8339702 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
209 |
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Author |
de Waal, F.B.; Luttrell, L.M. |
Title |
The similarity principle underlying social bonding among female rhesus monkeys |
Type |
Journal Article |
Year |
1986 |
Publication |
Folia primatologica; international journal of primatology |
Abbreviated Journal |
Folia Primatol (Basel) |
Volume |
46 |
Issue |
4 |
Pages |
215-234 |
Keywords |
Aggression; Animals; Dominance-Subordination; Female; Grooming; *Group Processes; Macaca/*physiology; Macaca mulatta/*physiology; Male; *Object Attachment |
Abstract |
Twenty adult female rhesus monkeys (Macaca mulatta) were observed over a three-year period. They lived in a mixed captive group with kinship relations known for three generations. The study's aim was to test Seyfarth's [J. theor. Biol. 65: 671-698, 1977] model of rank-related grooming and to investigate two other possible determinants of social bonding, i.e. relative age and the group's stratification into two social classes. Data on affiliation, coalitions, and social competition were collected by means of both focal observation and instantaneous time sampling. Whereas certain elements of the existing model were confirmed, its explanatory principles were not. Social competition did not result in more contact among close-ranking females (the opposite effect was found), and the relation between affiliative behavior and coalitions was more complex than predicted. Based on multivariate analyses and a comparison of theoretical models, we propose a simpler, more encompassing principle underlying interfemale attraction. According to this 'similarity principle', rhesus females establish bonds with females whom they most resemble. The similarity may concern genetical and social background, age, hierarchical position and social class. Effects of these four factors were independently demonstrated. The most successful model assumed that similarity factors influence female bonding in a cumulative fashion. |
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English |
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ISSN |
0015-5713 |
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Notes |
PMID:3557225 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
211 |
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Author |
Dunbar, R. |
Title |
Evolution of the social brain |
Type |
Journal Article |
Year |
2003 |
Publication |
Science |
Abbreviated Journal |
Science |
Volume |
302 |
Issue |
5648 |
Pages |
1160-1161 |
Keywords |
Animals; Animals, Wild; *Cognition; Endorphins/physiology; *Evolution; Female; Grooming; Hierarchy, Social; Language; Neocortex/anatomy & histology/physiology; Papio/physiology/*psychology; *Reproduction; *Social Behavior; Social Dominance; Social Support; Vocalization, Animal |
Abstract |
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Address |
School of Biological Sciences, University of Liverpool, Liverpool L69 7ZB, UK. rimd@liv.ac.uk |
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English |
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ISSN |
1095-9203 |
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Notes |
PMID:14615522 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
548 |
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Author |
Clutton-Brock, T.H.; Greenwood, P.J.; Powell, R.P. |
Title |
Ranks and relationships in Highland ponies and Highland Cows |
Type |
Journal Article |
Year |
1976 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
Volume |
41 |
Issue |
2 |
Pages |
202-216 |
Keywords |
Agonistic Behavior; Animals; *Cattle; Female; Grooming; *Horses; Male; *Social Dominance; Spatial Behavior |
Abstract |
Recent studies of primates have questioned the importance of dominance hierarchies in groups living under natural conditions. In a herd of Highland ponies and one of Highland cattle grazing under free-range conditions on the Isle of Rhum (Inner Hebrides) well defined hierarchies were present. The provision of food produced a marked increase in the frequency of agonistic interactions but had no effect on the rank systems of the two herds. While rank was clearly important in affecting the distribution of agonistic interactions, it was poorly related to behaviour in non-agonistic situations. |
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English |
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ISSN |
0044-3573 |
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Notes |
PMID:961125 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
661 |
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Author |
Seyfarth, R.M.; Cheney, D.L. |
Title |
Grooming, alliances and reciprocal altruism in vervet monkeys |
Type |
Journal Article |
Year |
1984 |
Publication |
Nature |
Abbreviated Journal |
Nature |
Volume |
308 |
Issue |
5959 |
Pages |
541-543 |
Keywords |
*Altruism; Animals; Cercopithecus/*physiology; Cercopithecus aethiops/*physiology; *Grooming; *Social Behavior; Vocalization, Animal |
Abstract |
Reciprocal altruism refers to the exchange of beneficial acts between individuals, in which the benefits to the recipient exceed the cost to the altruist. Theory predicts that cooperation among unrelated animals can occur whenever individuals encounter each other regularly and are capable of adjusting their cooperative behaviour according to experience. Although the potential for reciprocal altruism exists in many animal societies, most interactions occur between closely related individuals, and examples of reciprocity among non-kin are rare. The field experiments on vervet monkeys which we present here demonstrate that grooming between unrelated individuals increases the probability that they will subsequently attend to each others' solicitations for aid. Vervets appear to be more willing to aid unrelated individuals if those individuals have behaved affinitively toward them in the recent past. In contrast, recent grooming between close genetic relatives appears to have no effect on their willingness to respond to each other's solicitations for aid. |
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English |
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Edition |
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ISSN |
0028-0836 |
ISBN |
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Notes |
PMID:6709060 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
704 |
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Author |
Assersohn, C.; Whiten, A.; Kiwede, Z.T.; Tinka, J.; Karamagi, J. |
Title |
Use of leaves to inspect ectoparasites in wild chimpanzees: a third cultural variant? |
Type |
Journal Article |
Year |
2004 |
Publication |
Primates |
Abbreviated Journal |
Primates |
Volume |
45 |
Issue |
4 |
Pages |
255-258 |
Keywords |
Animals; Animals, Wild/physiology; Ape Diseases/*parasitology; Behavior, Animal/*physiology; Ectoparasitic Infestations/parasitology/*veterinary; Female; Grooming/*physiology; Male; Pan troglodytes/*physiology; *Plant Leaves; Protozoa/*isolation & purification; Uganda |
Abstract |
We report 26 cases of using leaves as tools with which wild chimpanzees (Pan troglodytes schweinfurthii) in the Sonso community, Budongo Forest, Uganda, appeared to inspect objects removed during grooming. Careful removal of potential ectoparasites and delicate lip or manual placement on leaves followed by intense visual examination characterised this behaviour. It appears to be done to judge whether either ingestion or discarding is most appropriate, the former occurring in most cases. This behaviour may represent a third variant of ectoparasite handling, different from those described at Tai and Gombe, yet sharing features with the latter. These two East African techniques may thus have evolved from leaf grooming. |
Address |
Scottish Primate Research Group, School of Psychology, University of St Andrews, St Andrews, KY16 9JU, Fife, UK |
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English |
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Edition |
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ISSN |
0032-8332 |
ISBN |
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Notes |
PMID:15179558 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
733 |
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Author |
Whiten, A.; Boesch, C. |
Title |
The cultures of chimpanzees |
Type |
Journal Article |
Year |
2001 |
Publication |
Scientific American |
Abbreviated Journal |
Sci Am |
Volume |
284 |
Issue |
1 |
Pages |
60-67 |
Keywords |
Animals; *Behavior, Animal; Culture; Feeding Behavior; Grooming; Hominidae; Humans; Pan troglodytes/*physiology |
Abstract |
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Address |
University of St. Andrews |
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English |
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Series Volume |
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Edition |
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ISSN |
0036-8733 |
ISBN |
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Notes |
PMID:11132425 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
740 |
Permanent link to this record |