| Records |
| Author |
Heyes, C.M.; Dawson, G.R. |
| Title |
A demonstration of observational learning in rats using a bidirectional control |
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Journal Article |
| Year |
1990 |
Publication |
Quarterly Journal of Experimental Psychology Section B: Comparative and Physiological Psychology |
Abbreviated Journal |
Q J Exp Psychol B |
| Volume |
42 |
Issue  |
1 |
Pages |
59-71 |
| Keywords |
appetite; attention; imitation; problem solving; psychomotor performance; Appetitive Behavior; Attention; Imitative Behavior; Problem Solving; Psychomotor Performance |
| Abstract |
Hungry rats observed a conspecific demonstrator pushing a single manipulandum, a joystick, to the right or to the left for food reward and were then allowed access to the joystick from a different orientation. The effects of right-pushing vs left-pushing observation experience on (1) response acquisition, (2) reversal of a left-right discrimination, and (3) responding in extinction, were examined. Rats that had observed left-pushing made more left responses during acquisition than rats that had observed right-pushing, and rats that had observed demonstrators pushing in the direction that had previously been reinforced took longer to reach criterion reversal and made more responses in extinction than rats that had observed demonstrators pushing in the opposite direction to that previously reinforced. These results provide evidence that rats are capable of learning a response, or a response-reinforcer contingency, through conspecific observation. |
| Address |
University of Cambridge, U.K. |
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02724995 (Issn) |
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Cited By (since 1996): 49; Export Date: 17 May 2007; Source: Scopus; Language of Original Document: English; Correspondence Address: Heyes, C.M. |
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1766 |
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| Author |
McCall, C.A. |
| Title |
A Review of Learning Behavior in Horses and its Application in Horse Training |
Type |
Journal Article |
| Year |
1990 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
| Volume |
68 |
Issue |
1 |
Pages |
75-81 |
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| Abstract |
A literature review of the equine learning research conducted in the past 20 yr revealed that the purpose of most of the studies was to determine whether horses respond to learning situations in the same way that other animals do. The results indicated that horses can discriminate many different types of stimuli, and they learn through stimulus-response- reinforcement chains. Most equine learning studies have utilized learning tasks depending on primary positive reinforcement to get the horses to work the tests. Yet, the majority of horse trainers use negative reinforcement more often than primary positive reinforcement in their training procedures. Therefore, past research often did not have a direct application to training methods commonly utilized in the horse industry. Research also demonstrated that 1) early experiences of horses can affect learning ability later, 2) equine memory is efficient and 3) concentrating learning mals in long training sessions decreases equine learning efficiency. Many factors that might affect equine learning ability and be applicable to training practices in the horse industry have not been thoroughly investigated; for example, interactions between nutrition and learning and between exercise and learning, the use of negative and secondary reinforcements in horse training, and the horse's ability to make few initial errors compared to its ability to eliminate errors as training progresses all require investigation in future equine learning studies. N1 - |
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refbase @ user @ |
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1992 |
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| Author |
Mitman, G. |
| Title |
Dominance, leadership, and aggression: animal behavior studies during the Second World War |
Type |
Journal Article |
| Year |
1990 |
Publication |
Journal of the History of the Behavioral Sciences |
Abbreviated Journal |
J Hist Behav Sci |
| Volume |
26 |
Issue |
1 |
Pages |
3-16 |
| Keywords |
*Aggression; Animals; Behavior, Animal; *Dominance-Subordination; History, 20th Century; *Leadership; Political Systems; *Social Dominance; United States |
| Abstract |
During the decade surrounding the Second World War, an extensive literature on the biological and psychological basis of aggression surfaced in America, a literature that in general emphasized the significance of learning and environment in the origins of aggressive behavior. Focusing on the animal behavior research of Warder Clyde Allee and John Paul Scott, this paper examines the complex interplay among conceptual, institutional, and societal forces that created and shaped a discourse on the subjects of aggression, dominance, and leadership within the context of World War II. The distinctions made between sexual and social dominance during this period, distinctions accentuated by the threat of totalitarianism abroad, and the varying ways that interpretations of behavior could be negotiated attests to the multiplicity of interactions that influence the development of scientific research. |
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University of Wisconsin |
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English |
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0022-5061 |
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PMID:2405050 |
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no |
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2044 |
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| Author |
Spear, N.E.; Miller, J.S.; Jagielo, J.A. |
| Title |
Animal Memory and Learning |
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Journal Article |
| Year |
1990 |
Publication |
Annual Review of Psychology |
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| Volume |
41 |
Issue |
1 |
Pages |
169-211 |
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no |
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refbase @ user @ |
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3538 |
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| Author |
Thouless, C.R. |
| Title |
Feeding competition between grazing red deer hinds |
Type |
Journal Article |
| Year |
1990 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
40 |
Issue |
1 |
Pages |
105-111 |
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| Abstract |
The effect of social rank on the feeding behaviour of female red deer, Cervus elaphus L., on the Isle of Rhum, Scotland, was investigated. Hinds were less likely to approach and more likely to leave the vicinity of other individuals if these hinds were dominant to them. Movements away by subordinates were more likely to involve a break from feeding. Feeding rate, as measured by bite rate, increased with distance from dominant neighbours, but was unaffected by the distance to subordinates. It appears that aggressive interactions had little direct effect on access to food. Instead, it is suggested that feeding competition in red deer hinds is largely a passive process, operating through the avoidance of conflict by subordinates. |
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no |
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Equine Behaviour @ team @ |
Serial |
4267 |
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| Author |
Petherick, J.C.; Rutter, S.M. |
| Title |
Quantifying motivation using a computer-controlled push-door |
Type |
Journal Article |
| Year |
1990 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
27 |
Issue |
1 |
Pages |
159-167 |
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A computer-controlled push-door system was designed and tested as a method for measuring motivation. Eleven domestic hens were trained to use the push-door to gain access to food. They were deprived of food for 12 h or 43 h on 12 occasions and the push-door was used to measure the amount of “work” (measured as force × time) that they performed to gain access to a food reward. When deprived of food for 12 h the hens took significantly longer (P<0.01) to reach the required threshold of work, than when deprived for 43 h. This difference arose from the amount of time that the hens spent not pushing at the door. The problems encountered with this system and such an approach to measuring motivation are discussed. |
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0168-1591 |
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no |
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Equine Behaviour @ team @ |
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6165 |
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| Author |
Cheney, D.L.; Seyfarth, R.M. |
| Title |
The representation of social relations by monkeys |
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Journal Article |
| Year |
1990 |
Publication |
Cognition |
Abbreviated Journal |
Cognition |
| Volume |
37 |
Issue |
1-2 |
Pages |
167-196 |
| Keywords |
Animals; Cercopithecus aethiops/*psychology; Concept Formation; *Dominance-Subordination; Female; Macaca fascicularis/*psychology; Male; *Social Behavior; *Social Environment |
| Abstract |
Monkeys recognize the social relations that exist among others in their group. They know who associates with whom, for example, and other animals' relative dominance ranks. In addition, monkeys appear to compare types of social relations and make same/different judgments about them. In captivity, longtailed macaques (Macaca fascicularis) trained to recognize the relation between one adult female and her offspring can identify the same relation among other mother-offspring pairs, and distinguish this relation from bonds between individuals who are related in a different way. In the wild, if a vervet monkey (Cercopithecus aethiops) has seen a fight between a member of its own family and a member of Family X, this increases the likelihood that it will act aggressively toward another member of Family X. Vervets act as if they recognize some similarity between their own close associates and the close associates of others. To make such comparisons the monkeys must have some way of representing the properties of social relationships. We discuss the adaptive value of such representations, the information they contain, their structure, and their limitations. |
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Department of Anthropology, University of Pennsylvania, Philadelphia 19104 |
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English |
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0010-0277 |
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| Notes |
PMID:2269006 |
Approved |
no |
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refbase @ user @ |
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702 |
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| Author |
Schilder, M.B. H. |
| Title |
Interventions in a herd of semi – captive Plains zebras |
Type |
Journal Article |
| Year |
1990 |
Publication |
Behavior |
Abbreviated Journal |
Behaviour |
| Volume |
112 |
Issue |
1-2 |
Pages |
53-83 |
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n a herd of semi-captive plains zebras interventions, which occurred within the harems, were investigated in order to answer the question why zebras interfered. These interventions are of interest because they regulate the contacts between companions and because, as corrective and preventive measures, they reveal the normative principles underlying the behaviours by which animals structure their social environment. An attempt was made to deduce 1) the internal norms of the interferer; 2) his short term aims; 3) his tactis and 4) his perception of the social environment. The analysis revealed that in the case of an affiliative interaction foals, yearlings and adult mares started to interfere if a friend had an affiliative contact with another zebra. In view of the interferer's behaviours it was concluded that their aim was to break off the ongoing interaction and that zebras tended to protect friendship bonds. Foals and yearlings further interfered if their mother was being threatened, attacked or sexually approached by a stallion. In view of the interferer's behaviours its aim was to prevent iminent interactions or to break off ongoing interactions. This suggests that these interventions were of a protective nature. The interferer's behaviours in both contexts ware very much alike. Mares tended to interfere if their foal/yearling or adult daughter was threathened or aggressed or if a mare friend was being sexually approached by a stallion. This type of intervention was of a protective nature. Stallions in a multi male harem showed a high tendency to interfere in courtship interactions. From the resemblance between interventions in courtship and in aggressive interactions it is concluded that, at leat in a number of cases, the individuals have perceived courtship behaviour by the stallion as a threat towards the mare involved. |
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no |
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1565 |
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| Author |
Cancedda, M. |
| Title |
[Social and behavioral organization of horses on the Giara (Sardinia): distribution and aggregation] |
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Journal Article |
| Year |
1990 |
Publication |
Bollettino della Societa italiana di biologia sperimentale |
Abbreviated Journal |
Boll Soc Ital Biol Sper |
| Volume |
66 |
Issue |
11 |
Pages |
1089-1096 |
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Animals; *Animals, Wild/physiology/psychology; Environment; Female; *Horses/physiology/psychology; Italy; Male; Population Density; Sexual Behavior, Animal; *Social Behavior; Social Dominance; Water |
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In this paper some considerations on the environment of the 42 Kmq of the volcanic-basaltic Giara tableland are discussed. Conditioning by the environment and its effect on the distribution of a population of 712 horses is illustrated in view of their social and behavioural organization. |
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Istituto di Fisiologia Generale e Speciale, Universita di Sassari |
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Italian |
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Introduzione all'organizzazione sociale e comportamentale dei cavallini sulla Giara (Sardegna): distribuzione ed aggregazione |
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0037-8771 |
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PMID:2095819 |
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no |
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refbase @ user @ |
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673 |
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| Author |
Houpt, K.A. |
| Title |
Ingestive behavior |
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Journal Article |
| Year |
1990 |
Publication |
The Veterinary clinics of North America. Equine practice |
Abbreviated Journal |
Vet Clin North Am Equine Pract |
| Volume |
6 |
Issue |
2 |
Pages |
319-337 |
| Keywords |
Animals; Eating/*physiology; Feeding Behavior/*physiology; Horses/*physiology |
| Abstract |
In summary, horses spend 60% or more of their time eating when grazing or when feed is available free choice. Grasses are their preferred food, but they supplement the grass with herbs and woody plants. Sweetened mixtures of oats and corn are the most preferred concentrate. Horses can increase or decrease the time spent eating and amount eaten to maintain caloric intake. Their intake is stimulated by drugs such as diazepam and by the presence of other horses. Horses stop eating when gastric osmolality increases; increases in plasma osmolality, protein, and glucose accompany digestion. Foals eat several times an hour and begin sampling solid food at the same time that their dam is eating. Several areas of particular importance to the equine industry have not been investigated. These areas include the effect of exercise on short- and long-term food intake and the influence of reproductive state on the feeding of mares. |
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Department of Physiology, New York State College of Veterinary Medicine, Cornell University, Ithaca |
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English |
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0749-0739 |
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PMID:2202495 |
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refbase @ user @ |
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42 |
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