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Author |
de Waal, F.B.; Johanowicz, D.L. |
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Title |
Modification of reconciliation behavior through social experience: an experiment with two macaque species |
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Journal Article |
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Year |
1993 |
Publication |
Child development |
Abbreviated Journal |
Child Dev |
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Volume |
64 |
Issue |
3 |
Pages |
897-908 |
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Keywords |
Aggression; Animals; *Behavior, Animal; Female; Grooming; *Macaca; *Macaca mulatta; Male; Play and Playthings; *Socialization; Vocalization, Animal |
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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. |
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Wisconsin Regional Primate Research Center, University of Wisconsin-Madison |
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English |
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ISSN |
0009-3920 |
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Notes  |
PMID:8339702 |
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no |
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Call Number |
refbase @ user @ |
Serial |
209 |
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Author |
Clayton, H.M. |
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Title |
Development of conditioning programs for dressage horses based on time-motion analysis of competitions |
Type |
Journal Article |
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Year |
1993 |
Publication |
Journal of Applied Physiology (Bethesda, Md. : 1985) |
Abbreviated Journal |
J Appl Physiol |
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Volume |
74 |
Issue |
5 |
Pages |
2325-2329 |
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Keywords |
Animals; Horses/*physiology; *Physical Conditioning, Animal; *Sports; Statistics; Time Factors; *Time and Motion Studies; Videotape Recording |
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Abstract |
The time-motion characteristics of Canadian basic- and medium-level dressage competitions are described, and the results are applied in formulating sport-specific conditioning programs. One competition was analyzed at the six levels from basic 1 to medium 3. Each test was divided into a series of sequences based on the type and speed of activity. The durations of the sequences were measured from videotapes. The basic-level tests had fewer sequences, and they were shorter in distance and duration than the medium tests (P < 0.10), but the average speed did not differ between the two levels. It is recommended that horses competing at the basic levels be conditioned using 5-min exercise periods, with short (10-s) bursts of lengthened trot and canter included at basic 2 and above. In preparation for medium-level competitions, the duration of the work periods increases to 7 min, 10- to 12-s bursts of medium or extended trot and canter are included, and transitions are performed frequently to simulate the energy expenditure in overcoming inertia. |
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Department of Veterinary Anatomy, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Canada |
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English |
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ISSN |
8750-7587 |
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Notes |
PMID:8335563 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3750 |
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Author |
Roper, K.L.; Zentall, T.R. |
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Title |
Directed forgetting in animals |
Type |
Journal Article |
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Year |
1993 |
Publication |
Psychological bulletin |
Abbreviated Journal |
Psychol Bull |
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Volume |
113 |
Issue |
3 |
Pages |
513-532 |
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Keywords |
Animals; Behavior, Animal; *Cognition; Columbidae; Conditioning (Psychology); Discrimination Learning; Female; Humans; Male; Memory Disorders/*psychology; Reinforcement (Psychology); Task Performance and Analysis |
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Abstract |
Directed-forgetting research with animals suggests that animals show disrupted test performance only under certain conditions. Important variables are (a) whether during training, the cue to forget (F cue) signals nonreward (i.e., that the trial is over) versus reward (i.e., that reinforcement can be obtained) and (b) given that reinforcement can be obtained on F-cue trials, whether the post-F-cue response pattern is compatible with the baseline memory task. It is proposed that some findings of directed forgetting can be attributed to trained response biases, whereas others may be attributable perhaps to frustration-produced interference. It is suggested that directed forgetting in animals should be studied using procedures similar to those used to study directed forgetting in humans. This can be accomplished by presenting, within a trial, both to-be-remembered and to-be-forgotten material. |
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Department of Psychology, University of Kentucky, Lexington 40506 |
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English |
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ISSN |
0033-2909 |
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Notes |
PMID:8316612 |
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no |
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Call Number |
refbase @ user @ |
Serial |
259 |
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Author |
Dougherty, D.M.; Lewis, P. |
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Title |
Generalization of a tactile stimulus in horses |
Type |
Journal Article |
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Year |
1993 |
Publication |
Journal of the Experimental Analysis of Behavior |
Abbreviated Journal |
J Exp Anal Behav |
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Volume |
59 |
Issue |
3 |
Pages |
521-528 |
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Keywords |
Animals; Behavior, Animal; Female; *Horses; Male; Reinforcement (Psychology); *Touch |
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Abstract |
Using horses, we investigated the control of operant behavior by a tactile stimulus (the training stimulus) and the generalization of behavior to six other similar test stimuli. In a stall, the experimenters mounted a response panel in the doorway. Located on this panel were a response lever and a grain dispenser. The experimenters secured a tactile-stimulus belt to the horse's back. The stimulus belt was constructed by mounting seven solenoids along a piece of burlap in a manner that allowed each to provide the delivery of a tactile stimulus, a repetitive light tapping, at different locations (spaced 10.0 cm apart) along the horse's back. Two preliminary steps were necessary before generalization testing: training a measurable response (lip pressing) and training on several reinforcement schedules in the presence of a training stimulus (tapping by one of the solenoids). We then gave each horse two generalization test sessions. Results indicated that the horses' behavior was effectively controlled by the training stimulus. Horses made the greatest number of responses to the training stimulus, and the tendency to respond to the other test stimuli diminished as the stimuli became farther away from the training stimulus. These findings are discussed in the context of behavioral principles and their relevance to the training of horses. |
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Address |
Human Behavioral Pharmacology Laboratory, University of Texas Health Science Center, Houston 77030 |
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English |
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ISSN |
0022-5002 |
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Notes |
PMID:8315368 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3571 |
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Author |
Beveridge, W.I. |
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Title |
Unravelling the ecology of influenza A virus |
Type |
Journal Article |
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Year |
1993 |
Publication |
History and Philosophy of the Life Sciences |
Abbreviated Journal |
Hist Philos Life Sci |
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Volume |
15 |
Issue |
1 |
Pages |
23-32 |
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Keywords |
Animals; Bird Diseases/epidemiology/*history/microbiology; Birds; Ecology; History, 20th Century; Horse Diseases/epidemiology/*history/microbiology; Horses; Humans; Influenza A virus/*isolation & purification; Influenza, Human/epidemiology/*history/microbiology/*veterinary; Swine; Swine Diseases/epidemiology/*history/microbiology; Zoonoses/history |
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Abstract |
For 20 years after the influenza A virus was discovered in the early 1930s, it was believed to be almost exclusively a human virus. But in the 1950s closely related viruses were discovered in diseases of horses, pigs and birds. Subsequently influenza A viruses were found to occur frequently in many species of birds, particularly ducks, usually without causing disease. Researchers showed that human and animal strains can hybridise thus producing new strains. Such hybrids may be the cause of pandemics in man. Most pandemics have started in China or eastern Russia where many people are in intimate association with animals. This situation provides a breeding ground for new strains of influenza A virus. |
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English |
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ISSN |
0391-9714 |
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Notes |
PMID:8310117 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2667 |
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Author |
Owren, M.J.; Dieter, J.A.; Seyfarth, R.M.; Cheney, D.L. |
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Title |
Vocalizations of rhesus (Macaca mulatta) and Japanese (M. fuscata) macaques cross-fostered between species show evidence of only limited modification |
Type |
Journal Article |
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Year |
1993 |
Publication |
Developmental psychobiology |
Abbreviated Journal |
Dev Psychobiol |
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Volume |
26 |
Issue |
7 |
Pages |
389-406 |
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Keywords |
Animals; Animals, Newborn; Behavior, Animal; Discrimination Learning; Environment; Female; *Macaca; *Macaca mulatta; Male; Sound Spectrography; *Vocalization, Animal |
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Abstract |
Two rhesus and two Japanese macaque infants were cross-fostered between species in order to study the effects of auditory experience on vocal development. Both the cross-fostered and normally raised control subjects were observed over the first 2 years of life and their vocalizations were tape-recorded. We classified 8053 calls by ear, placed each call in one of six acoustic categories, and calculated the rates at which different call-types were used in different social contexts. Species differences were found in the use of “coo” and “gruff” vocalizations among control subjects. Japanese macaques invariably produced coos almost exclusively. In contrast, rhesus macaques produced a mixture of coos and gruffs and showed considerable interindividual variation in the relative use of one call type or the other. Cross-fostered Japanese macaques adhered to their species-typical behavior, rarely using gruffs. Cross-fostered rhesus subjects also exhibited species-typical behavior in many contexts, but in some situations produced coos and gruffs at rates that were intermediate between those shown by normally raised animals of the two species. This outcome suggests that environmentally mediated modification of vocal behavior may have occurred, but that the resulting changes were quite limited. |
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California Regional Primate Research Center, University of California, Davis |
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English |
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ISSN |
0012-1630 |
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Notes |
PMID:8270122 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
700 |
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Author |
Houpt, K.A.; Feldman, J. |
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Title |
Animal behavior case of the month. Aggression toward a neonatal foal by its dam |
Type |
Journal Article |
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Year |
1993 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
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Volume |
203 |
Issue |
9 |
Pages |
1279-1280 |
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Keywords |
Animals; Animals, Newborn; *Behavior, Animal; Female; Follow-Up Studies; Horses/*psychology; *Maternal Behavior; Rejection (Psychology); Restraint, Physical/veterinary |
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Abstract |
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Address |
Department of Physiology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853-6401 |
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ISSN |
0003-1488 |
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Notes |
PMID:8253618 |
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no |
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Call Number |
refbase @ user @ |
Serial |
36 |
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Author |
Luescher, U.A. |
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Title |
More on self-mutilative behavior in horses |
Type |
Journal Article |
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Year |
1993 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
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Volume |
203 |
Issue |
9 |
Pages |
1252-1253 |
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Keywords |
Animals; Female; Horses/*psychology; Male; *Self Mutilation |
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0003-1488 |
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Notes |
PMID:8253611 |
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no |
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Call Number |
refbase @ user @ |
Serial |
1942 |
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Author |
Houpt, K.A.; Smith, R. |
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Title |
Animal behavior case of the month |
Type |
Journal Article |
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Year |
1993 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
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Volume |
203 |
Issue |
3 |
Pages |
377-378 |
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Keywords |
Aggression; Animals; Animals, Zoo/*psychology; *Behavior, Animal; *Feeding Behavior; Female; Horses/*psychology; *Weaning |
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Abstract |
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Address |
Department of Physiology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853-6401 |
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0003-1488 |
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Notes |
PMID:8226214 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
37 |
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Author |
Marchal, P.; Anderson, J.R. |
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Title |
Mirror-image responses in capuchin monkeys (Cebus capucinus): social responses and use of reflected environmental information |
Type |
Journal Article |
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Year |
1993 |
Publication |
Folia Primatologica; International Journal of Primatology |
Abbreviated Journal |
Folia Primatol (Basel) |
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Volume |
61 |
Issue |
3 |
Pages |
165-173 |
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Keywords |
Animals; *Behavior, Animal; Cebus/*psychology; *Cognition; Female; Male; Self Concept; Sex Factors; *Social Behavior |
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Abstract |
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Address |
Laboratoire de Psychophysiologie (CNRS URA 1295), Universite Louis-Pasteur, Strasbourg, France |
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English |
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ISSN |
0015-5713 |
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Notes |
PMID:8206423 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4180 |
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