| Records |
| Author |
Lonon, A.M.; Zentall, T.R. |
| Title |
Transfer of value from S+ to S- in simultaneous discriminations in humans |
Type |
Journal Article |
| Year |
1999 |
Publication |
The American journal of psychology |
Abbreviated Journal  |
Am J Psychol |
| Volume |
112 |
Issue |
1 |
Pages |
21-39 |
| Keywords |
Adolescent; Adult; Animals; Color Perception; Columbidae; Conditioning, Classical; *Discrimination Learning; Female; Humans; Male; Middle Aged; *Motivation; Orientation; Pattern Recognition, Visual; Psychomotor Performance; Reaction Time; *Transfer (Psychology) |
| Abstract |
When animals learn a simultaneous discrimination, some of the value of the positive stimulus (S+) appears to transfer to the negative stimulus (S-). The present experiments demonstrate that such value transfer can also be found in humans. In Experiment 1 humans were trained on 2 simple simultaneous discriminations, the first between a highly positive stimulus, A (1,000 points); and a negative stimulus, B (0 points); and the second between a less positive stimulus, C (100 points); and a negative stimulus, D (0 points). On test trials, most participants preferred B over D. In Experiments 2 and 3 the value of the 2 original discriminations was equated in training (A[100]B[0] and C[100]D[0]). In Experiment 2 the values of the positive stimuli were then altered (A[1,000]C[0]); again, most participants preferred B over D. In Experiment 3, however, when the values of B and D were altered (B[1,000]D[0]), participants were indifferent to A and C. Thus, the mechanism that underlies value transfer in humans appears to be related to Pavlovian second-order conditioning. Similar mechanisms may be involved in assimilation processes in social contexts. |
| Address |
University of Kentucky, USA |
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Place of Publication |
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| Language |
English |
Summary Language |
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Abbreviated Series Title |
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| ISSN |
0002-9556 |
ISBN |
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Conference |
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| Notes |
PMID:10696277 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
249 |
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| Author |
Hardy, J.L. |
| Title |
The ecology of western equine encephalomyelitis virus in the Central Valley of California, 1945-1985 |
Type |
Journal Article |
| Year |
1987 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
| Volume |
37 |
Issue |
3 Suppl |
Pages |
18s-32s |
| Keywords |
Aedes/microbiology; Animals; Birds; California; Culex/microbiology; Encephalitis Virus, Western Equine/*physiology; Encephalomyelitis, Equine/*history/microbiology/transmission/veterinary; History, 20th Century; Horse Diseases/history/transmission; Horses; Humans; Insect Vectors/microbiology; Mammals |
| Abstract |
Reeves' concept of the summer transmission cycle of western equine encephalomyelitis virus in 1945 was that the virus was amplified in a silent transmission cycle involving mosquitoes, domestic chickens, and possibly wild birds, from which it could be transmitted tangentially to and cause disease in human and equine populations. Extensive field and laboratory studies done since 1945 in the Central Valley of California have more clearly defined the specific invertebrate and vertebrate hosts involved in the basic virus transmission cycle, but the overall concept remains unchanged. The basic transmission cycle involves Culex tarsalis as the primary vector mosquito species and house finches and house sparrows as the primary amplifying hosts. Secondary amplifying hosts, upon which Cx. tarsalis frequently feeds, include other passerine species, chickens, and possibly pheasants in areas where they are abundant. Another transmission cycle that most likely is initiated from the Cx. tarsalis-wild bird cycle involves Aedes melanimon and the blacktail jackrabbit. Like humans and horses, California ground squirrels, western tree squirrels, and a few other wild mammal species become infected tangentially with the virus but do not contribute significantly to virus amplification. |
| Address |
Department of Biomedical and Environmental Health Sciences, School of Public Health, University of California, Berkeley 94720 |
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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 |
0002-9637 |
ISBN |
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Conference |
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| Notes |
PMID:3318522 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2677 |
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| Author |
Sabattini, M.S.; Monath, T.P.; Mitchell, C.J.; Daffner, J.F.; Bowen, G.S.; Pauli, R.; Contigiani, M.S. |
| Title |
Arbovirus investigations in Argentina, 1977-1980. I. Historical aspects and description of study sites |
Type |
Journal Article |
| Year |
1985 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
| Volume |
34 |
Issue |
5 |
Pages |
937-944 |
| Keywords |
Animals; Arbovirus Infections/*epidemiology/microbiology; Arboviruses; Argentina; Birds; Cattle; Child; Climate; Ecology; Encephalitis Virus, St. Louis; Encephalitis Virus, Venezuelan Equine; Encephalitis Virus, Western Equine; Encephalitis, St. Louis/epidemiology/microbiology; Encephalomyelitis, Equine/epidemiology/microbiology/veterinary; Encephalomyelitis, Venezuelan Equine/epidemiology/microbiology/veterinary; Geography; Horse Diseases/epidemiology/microbiology; Horses/microbiology; Humans |
| Abstract |
This is the introductory paper to a series on the ecology of arboviruses in Argentina. Epizootics of equine encephalitis have occurred since at least 1908, principally in the Pampa and Espinal biogeographic zones, with significant economic losses; human cases of encephalitis have been rare or absent. Both western equine and eastern equine encephalitis viruses have been isolated from horses during these epizootics, but the mosquitoes responsible for transmission have not been identified. A number of isolations of Venezuelan equine encephalitis (VEE) virus were reported between 1936 and 1958 in Argentina, but the validity of these findings has been seriously questioned. Nevertheless, serological evidence exists for human infections with a member of the VEE virus complex. Serological surveys conducted in the 1960s indicate a high prevalence of infection of humans and domestic animals with St. Louis encephalitis (SLE), and 2 SLE virus strains have been isolated from rodents. Human disease, however, has rarely been associated with SLE infection. Only 7 isolations of other arboviruses have been described (3 of Maguari, 1 of Aura, 2 of Una, and 1 of an untyped Bunyamwera group virus). In 1977, we began longitudinal field studies in Santa Fe Province, the epicenter of previous equine epizootics, and in 1980 we extended these studies to Chaco and Corrientes provinces. The study sites are described in this paper. |
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English |
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| ISSN |
0002-9637 |
ISBN |
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| Notes |
PMID:4037184 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2685 |
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| Author |
Bast, T.F.; Whitney, E.; Benach, J.L. |
| Title |
Considerations on the ecology of several arboviruses in eastern Long Island |
Type |
Journal Article |
| Year |
1973 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
| Volume |
22 |
Issue |
1 |
Pages |
109-115 |
| Keywords |
Animals; Antibodies, Viral/analysis; Arboviruses/*isolation & purification; Birds; Brain/microbiology; Ecology; Encephalitis Virus, St. Louis/immunology/isolation & purification; Encephalitis Virus, Western Equine/immunology/isolation & purification; Encephalitis Viruses/immunology/isolation & purification; Encephalitis Viruses, Tick-Borne/immunology/isolation & purification; Encephalomyelitis, Equine/epidemiology/veterinary; Hemagglutination Inhibition Tests; Horse Diseases/epidemiology; Horses; Humans; Insects; Liver/microbiology; Mites; Neutralization Tests; New York; Snakes; Ticks |
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English |
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Series Issue |
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Edition |
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| ISSN |
0002-9637 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:4684881 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2715 |
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| Author |
Scherer, W.F.; Dickerman, R.W. |
| Title |
Ecologic studies of Venezuelan encephalitis virus in southeastern Mexico. 8. Correlations and conclusions |
Type |
Journal Article |
| Year |
1972 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
| Volume |
21 |
Issue |
2 |
Pages |
86-89 |
| Keywords |
Animals; Birds; Cattle; Chiroptera; Cricetinae; Culex; Culicidae; *Disease Reservoirs; Ecology; Encephalitis Virus, Venezuelan Equine/immunology; Encephalitis Viruses/*isolation & purification; Encephalomyelitis, Equine/epidemiology/*etiology; Horses; Humans; *Insect Vectors; Mammals; Mexico; Mice; Opossums; Rats; Swine |
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English |
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0002-9637 |
ISBN |
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| Notes |
PMID:4399844 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2721 |
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| Author |
Manning, G.S.; Ratanarat, C. |
| Title |
Fasciolopsis buski (Lankester, 1857) in Thailand |
Type |
Journal Article |
| Year |
1970 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
| Volume |
19 |
Issue |
4 |
Pages |
613-619 |
| Keywords |
Adolescent; Adult; Aged; Animals; Buffaloes; Cattle; Child; Child, Preschool; *Disease Reservoirs; Dogs; Ecology; *Fasciolidae; Feces; Female; Health Surveys; Horses; Humans; Infant; Infant, Newborn; Male; Middle Aged; *Plants, Edible; Sex Factors; *Snails; Swine; Thailand; Trematode Infections/*epidemiology |
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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 |
0002-9637 |
ISBN |
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Medium |
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Conference |
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| Notes |
PMID:5425498 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2734 |
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| Author |
Scherer, W.F.; Dickerman, R.W.; Ordonez, J.V. |
| Title |
Discovery and geographic distribution of Venezuelan encephalitis virus in Guatemala, Honduras, and British Honduras during 1965-68, and its possible movement to Central America and Mexico |
Type |
Journal Article |
| Year |
1970 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
| Volume |
19 |
Issue |
4 |
Pages |
703-711 |
| Keywords |
Animals; Antibodies/analysis; Belize; Central America; Complement Fixation Tests; Cricetinae; Culicidae; *Disease Reservoirs; Ecology; Encephalitis Viruses/isolation & purification; Encephalomyelitis, Equine/*epidemiology; Guatemala; Hemagglutination Inhibition Tests; Honduras; Horses; Humans; Mexico; Neutralization Tests; Rats; Sampling Studies; Swine; Tropical Climate |
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English |
Summary Language |
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Edition |
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| ISSN |
0002-9637 |
ISBN |
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Conference |
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| Notes |
PMID:4393224 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2735 |
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| Author |
Nettle, D. |
| Title |
The evolution of personality variation in humans and other animals |
Type |
Journal Article |
| Year |
2006 |
Publication |
The American Psychologist |
Abbreviated Journal |
Am Psychol |
| Volume |
61 |
Issue |
6 |
Pages |
622-631 |
| Keywords |
Animals; Birds; *Evolution; Female; Fishes; Humans; Insects; Male; Personality/*genetics/*physiology |
| Abstract |
A comprehensive evolutionary framework for understanding the maintenance of heritable behavioral variation in humans is yet to be developed. Some evolutionary psychologists have argued that heritable variation will not be found in important, fitness-relevant characteristics because of the winnowing effect of natural selection. This article propounds the opposite view. Heritable variation is ubiquitous in all species, and there are a number of frameworks for understanding its persistence. The author argues that each of the Big Five dimensions of human personality can be seen as the result of a trade-off between different fitness costs and benefits. As there is no unconditionally optimal value of these trade-offs, it is to be expected that genetic diversity will be retained in the population. |
| Address |
University of Newcastle, Newcastle, United Kingdom. daniel.nettle@ncl.ac.uk |
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English |
Summary Language |
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Edition |
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| ISSN |
0003-066X |
ISBN |
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| Notes |
PMID:16953749 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4105 |
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| Author |
Neuringer, A. |
| Title |
Reinforced variability in animals and people: implications for adaptive action |
Type |
Journal Article |
| Year |
2004 |
Publication |
The American Psychologist |
Abbreviated Journal |
Am Psychol |
| Volume |
59 |
Issue |
9 |
Pages |
891-906 |
| Keywords |
Animals; Behavior, Animal; *Choice Behavior; Conditioning, Operant; Creativeness; Discrimination (Psychology); Humans; Memory; Problem Solving; *Reinforcement (Psychology) |
| Abstract |
Although reinforcement often leads to repetitive, even stereotyped responding, that is not a necessary outcome. When it depends on variations, reinforcement results in responding that is diverse, novel, indeed unpredictable, with distributions sometimes approaching those of a random process. This article reviews evidence for the powerful and precise control by reinforcement over behavioral variability, evidence obtained from human and animal-model studies, and implications of such control. For example, reinforcement of variability facilitates learning of complex new responses, aids problem solving, and may contribute to creativity. Depression and autism are characterized by abnormally repetitive behaviors, but individuals afflicted with such psychopathologies can learn to vary their behaviors when reinforced for so doing. And reinforced variability may help to solve a basic puzzle concerning the nature of voluntary action. |
| Address |
Department of Psychology, Reed College, Portland, OR 97202, USA. allen.neuringer@reed.edu |
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English |
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Edition |
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0003-066X |
ISBN |
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Conference |
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| Notes |
PMID:15584823 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4106 |
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| Author |
Schwartz, B.L.; Evans, S. |
| Title |
Episodic memory in primates |
Type |
Journal Article |
| Year |
2001 |
Publication |
American journal of primatology |
Abbreviated Journal |
Am. J. Primatol. |
| Volume |
55 |
Issue |
2 |
Pages |
71-85 |
| Keywords |
Animals; Behavior, Animal; *Discrimination Learning; Hominidae/*psychology; Humans; *Memory; Self Concept |
| Abstract |
Episodic memory refers to a system of memory with the capacity to recollect specific events from an individual's life. Some psychologists have suggested that episodic memory is a uniquely human phenomenon. We challenge that idea and present evidence that great apes and other primates may possess episodic-like memory. We review criteria developed to assess episodic-like memory in nonhumans, and how they apply to primates. In particular, we discuss the criteria of Clayton et al. [2001], who stated that episodic-like memory is based on the retrieval of multiple and integrated components of an event. We then review eight studies examining memory in great apes and apply the Clayton et al. criteria to each of them. We summarize the evidence that is compatible with the existence of episodic-like memory, although none of the data completely satisfy the Clayton et al. criteria. Morover, feelings of pastness and feelings of confidence, which mark episodic memory in humans, have not been empirically addressed in nonhuman primates. Future studies should be directed at these aspects of memory in primates. We speculate on the functional significance of episodic memory in nonhuman primates. |
| Address |
Dept of Psychology, Florida International University, Miami, Florida 33199, USA. SchwartB@fiu.edu |
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English |
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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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| Notes |
PMID:11668526 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4115 |
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