| Records |
| Author |
Brosnan, S.F.; de Waal, F.B.M. |
| Title |
A concept of value during experimental exchange in brown capuchin monkeys, Cebus apella |
Type |
Journal Article |
| Year |
2004 |
Publication |
Folia primatologica; international journal of primatology |
Abbreviated Journal |
Folia Primatol (Basel) |
| Volume |
75 |
Issue |
5 |
Pages |
317-330 |
| Keywords |
Animals; Cebus/*psychology; *Choice Behavior; Female; Food Preferences; *Learning; Male; Sex Factors; Statistics, Nonparametric; *Token Economy; Video Recording |
| Abstract |
We evaluated the response of brown capuchin monkeys to two differentially valued tokens in an experimental exchange situation akin to a simple barter. Monkeys were given a series of three tests to evaluate their ability to associate tokens with food, then their responses were examined in a barter situation in which tokens were either limited or unlimited. Capuchins did not perform barter in the typical sense, returning the tokens which were associated with the reward. However, females, but not males, showed a different response, preferring the higher-value token. This may indicate that they learned to prefer one token over the other rather than to associate the tokens with their specific rewards. This sex difference parallels previous findings of greater reciprocity in female brown capuchins than in males. |
| Address |
Living Links Center, Emory University, Yerkes National Primate Research Center, 954 N. Gatewood Drive, Atlanta, GA 30329, USA. sbrosna@emory.edu |
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English |
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| ISSN |
0015-5713 |
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Notes  |
PMID:15486443 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
170 |
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| Author |
Mercado, E. 3rd; Herman, L.M.; Pack, A.A. |
| Title |
Song copying by humpback whales: themes and variations |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
2 |
Pages |
93-102 |
| Keywords |
Acoustics; Animals; *Imitative Behavior; *Learning; Male; Sound Spectrography; *Vocalization, Animal; Whales/*psychology |
| Abstract |
Male humpback whales (Megaptera novaeangliae) produce long, structured sequences of sound underwater, commonly called “songs.” Humpbacks progressively modify their songs over time in ways that suggest that individuals are copying song elements that they hear being used by other singers. Little is known about the factors that determine how whales learn from their auditory experiences. Song learning in birds is better understood and appears to be constrained by stable core attributes such as species-specific sound repertoires and song syntax. To clarify whether similar constraints exist for song learning by humpbacks, we analyzed changes over 14 years in the sounds used by humpback whales singing in Hawaiian waters. We found that although the properties of individual sounds within songs are quite variable over time, the overall distribution of certain acoustic features within the repertoire appears to be stable. In particular, our findings suggest that species-specific constraints on temporal features of song sounds determine song form, whereas spectral variability allows whales to flexibly adapt song elements. |
| Address |
Department of Psychology, University at Buffalo, SUNY, Park Hall, Buffalo, NY 14260, USA. emiii@buffalo.edu |
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English |
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| ISSN |
1435-9448 |
ISBN |
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| Notes |
PMID:15490289 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2505 |
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| Author |
Arluke, A. |
| Title |
The use of dogs in medical and veterinary training: understanding and approaching student uneasiness |
Type |
Journal Article |
| Year |
2004 |
Publication |
Journal of Applied Animal Welfare Science : JAAWS |
Abbreviated Journal |
J Appl Anim Welf Sci |
| Volume |
7 |
Issue |
3 |
Pages |
197-204 |
| Keywords |
*Animal Experimentation; Animals; *Animals, Laboratory; Cadaver; Comprehension; Dogs; Education, Veterinary/*ethics/*methods; Humans; Massachusetts; Schools, Veterinary; Students, Medical/*psychology; Biomedical and Behavioral Research |
| Abstract |
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| Address |
Tajen Institute of Technology, Taiwan. a.arluke@neu.edu |
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Place of Publication |
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English |
Summary Language |
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Series Title |
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Series Issue |
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Edition |
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| ISSN |
1088-8705 |
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| Notes |
PMID:15498727; KIE: KIE Bib: animal experimentation |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2755 |
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| Author |
Ferkin, M.H.; Pierce, A.A.; Sealand, R.O.; Delbarco-Trillo, J. |
| Title |
Meadow voles, Microtus pennsylvanicus, can distinguish more over-marks from fewer over-marks |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
3 |
Pages |
182-189 |
| Keywords |
Animals; Arvicolinae/*psychology; *Discrimination Learning; Female; Intermediate Filament Proteins; Male; Mathematics; Sex Factors; *Smell |
| Abstract |
Is it possible that voles have a sense of number? To address this question, we determined whether voles discriminate between two different scent-marking individuals and identify the individual whose scent marks was on top more often than the other individual. We tested whether voles show a preference for the individual whose scent marks was on top most often. If so, the simplest explanation was that voles can make a relative size judgement-such as distinguishing an area containing more of one individual's over-marks as compared to less of another individual's over-marks. We found that voles respond preferentially to the donor that provided a greater number of over-marks as compared to the donor that provided a lesser number of over-marks. Thus, we concluded that voles might display the capacity for relative numerousness. Interestingly, female voles were better able than male voles to distinguish between small differences in the relative number of over-marks by the two scent donors. |
| Address |
Department of Biology, The University of Memphis, Ellington Hall, Memphis, TN 38152, USA. mhferkin@memphis.edu |
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English |
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1435-9448 |
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| Notes |
PMID:15580367 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2501 |
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| Author |
Hausberger, M.; Bruderer, C.; Le Scolan, N.; Pierre, J.-S. |
| Title |
Interplay between environmental and genetic factors in temperament/personality traits in horses (Equus caballus) |
Type |
Journal Article |
| Year |
2004 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J Comp Psychol |
| Volume |
118 |
Issue |
4 |
Pages |
434-446 |
| Keywords |
*Affect; Animals; Behavior, Animal/*physiology; *Environment; Female; Horses/*psychology; Learning; Male; Memory/physiology |
| Abstract |
The aim of the present study was to broach the question of the relative influence of different genetic and environmental factors on different temperament/personality traits of horses (Equus caballus). The researchers submitted 702 horses to standardized experimental tests and investigated 9 factors, either genetic or environmental. Genetic factors, such as sire or breed, seemed to influence more neophobic reactions, whereas environmental factors, such as the type of work, seemed to play a more dominant role in reactions to social separation or learning abilities. Additive effects were evident, showing how environmental factors may modulate behavioral traits. This study constitutes a first step toward understanding the relative weights of genetic factors and how the environment may intervene in determining individual behavioral characteristics. |
| Address |
Ethologie-Evolution-Ecologie, Universite de Rennes 1, Rennes, France. Martine.Hausberger@univ-rennes1.fr |
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Thesis |
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Place of Publication |
Washington, D.C. : 1983 |
Editor |
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English |
Summary Language |
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Original Title |
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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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Expedition |
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Conference |
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| Notes |
PMID:15584780 |
Approved |
no |
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Serial |
1897 |
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| Author |
Coleman, K.; Tully, L.A.; McMillan, J.L. |
| Title |
Temperament correlates with training success in adult rhesus macaques |
Type |
Journal Article |
| Year |
2005 |
Publication |
American journal of primatology |
Abbreviated Journal |
Am. J. Primatol. |
| Volume |
65 |
Issue |
1 |
Pages |
63-71 |
| Keywords |
Animals; Female; *Inhibition (Psychology); *Learning; Macaca mulatta/*psychology; *Reinforcement (Psychology); *Temperament |
| Abstract |
In recent years there has been a marked increase in awareness of issues involving the psychological well-being of nonhuman primates (NHPs) used in biomedical research. As a result, many facilities are starting to train primates to voluntarily cooperate with veterinary, husbandry, and research procedures, such as remaining still for blood draws or injections. Such training generally reduces the stress associated with these procedures, resulting in calmer animals and, ultimately, better research models. However, such training requires great investments in time, and there can be vast individual differences in training success. Some animals learn tasks quickly, while others make slower progress in training. In this study, we examined whether temperament, as measured by response to a novel food object, correlated with the amount of time it took to train 20 adult female rhesus macaques to perform a simple task. The monkeys were categorized as “exploratory” (i.e., inspected a novel object placed in the home cage within 10 sec), “moderate” (i.e., inspected the object within 10-180 sec), or “inhibited” (i.e., did not inspect the object within 3 min). We utilized positive reinforcement techniques to train the monkeys to touch a target (PVC pipe shaped like an elbow) hung on their cage. Temperament correlated with training success in this study (Pearson chi2=7.22, df=2, P=0.03). We easily trained over 75% of the animals that inspected the novel food (i.e., exploratory or moderate individuals) to touch the target. However, only 22% of the inhibited monkeys performed the task. By knowing which animals may not respond to conventional training methods, we may be able to develop alternate training techniques to address their specific needs. In addition, these results will allow us to screen monkeys to be assigned to research projects in which they will be trained, with the goal of obtaining the best candidates for those studies. |
| Address |
Oregon National Primate Research Center, Beaverton, Oregon 97006, USA. colemank@ohsu.edu |
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Place of Publication |
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English |
Summary Language |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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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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Expedition |
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Conference |
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| Notes |
PMID:15645460 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4112 |
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| Author |
Harris, E.H.; Washburn, D.A. |
| Title |
Macaques' (Macaca mulatta) use of numerical cues in maze trials |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
3 |
Pages |
190-199 |
| Keywords |
Animals; *Cues; *Discrimination Learning; Macaca mulatta/*psychology; Male; Mathematics; *Maze Learning; *Pattern Recognition, Visual |
| Abstract |
We tested the ability of number-trained rhesus monkeys to use Arabic numeral cues to discriminate between different series of maze trials and anticipate the final trial in each series. The monkeys' prior experience with numerals also allowed us to investigate spontaneous transfer between series. A total of four monkeys were tested in two experiments. In both experiments, the monkeys were trained on a computerized task consisting of three reinforced maze trials followed by one nonreinforced trial. The goal of the maze was an Arabic numeral 3, which corresponded to the number of reinforced maze trials in the series. In experiment 1 (n=2), the monkeys were given probe trials of the numerals 2 and 4 and in experiment 2 (n=2), they were given probe trials of the numerals 2-8. The monkeys receiving the probe trials 2 and 4 showed some generalization to the new numerals and developed a pattern of performing more slowly on the nonreinforced trial than the reinforced trial before it for most series, indicating the use of the changing numeral cues to anticipate the nonreinforced trial. The monkeys receiving probe trials of the numerals 2-8 did not predict precisely when the nonreinforced trial would occur in each series, but they did incorporate the changing numerals into their strategy for performing the task. This study provides the first evidence that number-trained monkeys can use Arabic numerals to perform a task involving sequential presentations. |
| Address |
Georgia State University, Atlanta, GA, USA. eharris11@gsu |
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English |
Summary Language |
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Original Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
1435-9448 |
ISBN |
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Medium |
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| Notes |
PMID:15654597 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2498 |
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| Author |
Miller, R.M. |
| Title |
Behavior and misbehavior of the horse |
Type |
Journal Article |
| Year |
2001 |
Publication |
The Veterinary Clinics of North America. Equine Practice |
Abbreviated Journal |
Vet Clin North Am Equine Pract |
| Volume |
17 |
Issue |
2 |
Pages |
379-87, ix |
| Keywords |
Animals; Behavior, Animal/*physiology; Curriculum; Education, Veterinary; Horses/*physiology/*psychology; United States |
| Abstract |
For decades after the discipline of psychiatry had been established as an accepted specialty, many medical schools continued to fail to train their students in the fundamentals of this discipline. Medical students all have at least cursory exposure to psychiatric principles and basic psychology. Unfortunately, the veterinary profession has lagged behind human medicine in this regard. Until recently, veterinary students received no training in animal behavior, and there were no available residencies within our schools for developing board-certified behavioral specialists. |
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English |
Summary Language |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0749-0739 |
ISBN |
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| Notes |
PMID:15658182 |
Approved |
no |
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Serial |
1894 |
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| Author |
Lewis, K.P.; Jaffe, S.; Brannon, E.M. |
| Title |
Analog number representations in mongoose lemurs (Eulemur mongoz): evidence from a search task |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
4 |
Pages |
247-252 |
| Keywords |
Analysis of Variance; Animals; *Behavior, Animal; *Feeding Behavior; Female; Lemuridae/*psychology; Male; Mathematics; Odors; Smell/physiology; Time Factors |
| Abstract |
A wealth of data demonstrating that monkeys and apes represent number have been interpreted as suggesting that sensitivity to number emerged early in primate evolution, if not before. Here we examine the numerical capacities of the mongoose lemur (Eulemur mongoz), a member of the prosimian suborder of primates that split from the common ancestor of monkeys, apes and humans approximately 47-54 million years ago. Subjects observed as an experimenter sequentially placed grapes into an opaque bucket. On half of the trials the experimenter placed a subset of the grapes into a false bottom such that they were inaccessible to the lemur. The critical question was whether lemurs would spend more time searching the bucket when food should have remained in the bucket, compared to when they had retrieved all of the food. We found that the amount of time lemurs spent searching was indicative of whether grapes should have remained in the bucket, and furthermore that lemur search time reliably differentiated numerosities that differed by a 1:2 ratio, but not those that differed by a 2:3 or 3:4 ratio. Finally, two control conditions determined that lemurs represented the number of food items, and neither the odor of the grapes, nor the amount of grape (e.g., area) in the bucket. These results suggest that mongoose lemurs have numerical representations that are modulated by Weber's Law. |
| Address |
Department of Anthropology, Washington University, St. Louis, MO 63130-4899, USA |
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English |
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1435-9448 |
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| Notes |
PMID:15660208 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2497 |
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| Author |
Santos, L.R.; Rosati, A.; Sproul, C.; Spaulding, B.; Hauser, M.D. |
| Title |
Means-means-end tool choice in cotton-top tamarins (Saguinus oedipus): finding the limits on primates' knowledge of tools |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
4 |
Pages |
236-246 |
| Keywords |
Animals; *Behavior, Animal; *Choice Behavior; Female; Male; *Problem Solving; Saguinus/*psychology |
| Abstract |
Most studies of animal tool use require subjects to use one object to gain access to a food reward. In many real world situations, however, animals perform more than one action in sequence to achieve their goals. Of theoretical interest is whether animals have the cognitive capacity to recognize the relationship between consecutive action sequences in which there may be one overall goal and several subgoals. Here we ask if cotton-top tamarins, a species that in captivity uses tools to solve means-end problems, can go one step further and use a sequence of tools (means) to obtain food (end). We first trained subjects to use a pulling tool to obtain a food reward. After this initial training, subjects were presented with problems in which one tool had to be used in combination with a second in order to obtain food. Subjects showed great difficulty when two tools were required to obtain the food reward. Although subjects attended to the connection between the tool and food reward, they ignored the physical connection between the two tools. After training on a two-tool problem, we presented subjects with a series of transfer tests to explore if they would generalize to new types of connections between the tools. Subjects readily transferred to new connections. Our results therefore provide the first evidence to date that tamarins can learn to solve problems involving two tools, but that they do so only with sufficient training. |
| Address |
Department of Psychology, Yale University, New Haven, CT, USA. laurie.santos@yale.edu |
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English |
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Series Issue |
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Edition |
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1435-9448 |
ISBN |
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Conference |
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| Notes |
PMID:15668762 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2495 |
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