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Author |
Lutta, A.S. |
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Title |
[Distribution and biology of Heptatoma pellucens in the Karelian ASSR (fam. Tabanidae)] |
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Journal Article |
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Year |
1976 |
Publication |
Parazitologiia |
Abbreviated Journal |
Parazitologiia |
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Volume  |
10 |
Issue |
1 |
Pages |
53-55 |
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Keywords |
Animals; Biology; *Diptera; Ecology; Female; Horses/parasitology; Larva; Russia |
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Abstract |
The analysis is given of the peculiarities of the distribution of the widely spread forest subspecies Heptatoma pellucens pellucens Fabr. in the northern part of its distribution area in Karelia. Some data on the biology of the larva of this subspecies are presented. |
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Russian |
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Original Title |
K rasprostraneniiu i biologii Heptatoma pellucens v Karel'skoi ASSR (sem. Tabanidae) |
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0031-1847 |
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Notes |
PMID:133320 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2701 |
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Author |
Adler, L.L.; Adler, H.E. |
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Title |
Ontogeny of observational learning in the dog (Canis familiaris) |
Type |
Journal Article |
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Year |
1977 |
Publication |
Developmental Psychobiology |
Abbreviated Journal |
Dev Psychobiol |
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Volume |
10 |
Issue |
3 |
Pages |
267-271 |
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Keywords |
Animals; Dogs/*physiology; Female; Learning/*physiology; Male; Vision, Ocular/physiology |
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Abstract |
A split-litter technique was used to test observational learning in 4 litters of Miniature Dachshund puppies, 21, 28, 38, and 60 days old at the beginning of the experiment. In one side of a duplicate cage, one puppy of a litter, the demonstrator, learned to pull in a food cart on a runner by means of a ribbon, while another puppy, the observer, watched from an adjacent compartment, separated by a wire screen. Observational learning was demonstrated by the saving in time for the 1st trial when the observer was given the same problem to solve. Maturation, particularly the development of visual function and motor coordination, set a lower age limit for the emergence of observational learning. |
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English |
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0012-1630 |
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Notes |
PMID:863122 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5186 |
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Author |
Clement, T.S.; Zentall, T.R. |
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Title |
Development of a single-code/default coding strategy in pigeons |
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Journal Article |
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Year |
2000 |
Publication |
Psychological science : a journal of the American Psychological Society / APS |
Abbreviated Journal |
Psychol Sci |
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Volume |
11 |
Issue |
3 |
Pages |
261-264 |
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Keywords |
Animals; Attention; Columbidae; *Discrimination Learning; Female; Male; *Pattern Recognition, Visual; *Problem Solving; Retention (Psychology) |
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Abstract |
We tested the hypothesis that pigeons could use a cognitively efficient coding strategy by training them on a conditional discrimination (delayed symbolic matching) in which one alternative was correct following the presentation of one sample (one-to-one), whereas the other alternative was correct following the presentation of any one of four other samples (many-to-one). When retention intervals of different durations were inserted between the offset of the sample and the onset of the choice stimuli, divergent retention functions were found. With increasing retention interval, matching accuracy on trials involving any of the many-to-one samples was increasingly better than matching accuracy on trials involving the one-to-one sample. Furthermore, following this test, pigeons treated a novel sample as if it had been one of the many-to-one samples. The data suggest that rather than learning each of the five sample-comparison associations independently, the pigeons developed a cognitively efficient single-code/default coding strategy. |
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Department of Psychology, University of Kentucky, Lexington, KY 40506, USA |
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ISSN |
0956-7976 |
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Notes |
PMID:11273414 |
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no |
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Call Number |
refbase @ user @ |
Serial |
246 |
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Author |
Zentall, S.S.; Zentall, T.R.; Barack, R.C. |
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Title |
Distraction as a function of within-task stimulation for hyperactive and normal children |
Type |
Journal Article |
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Year |
1978 |
Publication |
Journal of learning disabilities |
Abbreviated Journal |
J Learn Disabil |
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Volume |
11 |
Issue |
9 |
Pages |
540-548 |
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Keywords |
*Attention; Child; Child, Preschool; Color Perception; Female; Humans; Hyperkinesis/*psychology; Male; Motor Skills; *Task Performance and Analysis; Visual Perception |
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0022-2194 |
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Notes |
PMID:731119 |
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no |
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Call Number |
refbase @ user @ |
Serial |
270 |
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Author |
Larose, C.; Richard-Yris, M.-A.; Hausberger, M.; Rogers, L.J. |
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Title |
Laterality of horses associated with emotionality in novel situations |
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Journal Article |
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Year |
2006 |
Publication |
Laterality |
Abbreviated Journal |
Laterality |
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Volume |
11 |
Issue |
4 |
Pages |
355-367 |
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Keywords |
Affect/*physiology; Animals; Brain/*physiology; Female; Functional Laterality/*physiology; Horses; Male; *Social Behavior; *Social Environment |
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Abstract |
We have established that lateral biases are characteristic of visual behaviour in 65 horses. Two breeds, Trotters and French Saddlebreds aged 2 to 3, were tested on a novel object test. The main finding was a significant correlation between emotionality index and the eye preferred to view the novel stimulus: the higher the emotionality, the more likely that the horse looked with its left eye. The less emotive French Saddlebreds, however, tended to glance at the object using the right eye, a tendency that was not found in the Trotters, although the emotive index was the same for both breeds. The youngest French Saddlebreds did not show this trend. These results are discussed in relation to the different training practices for the breeds and broader findings on lateralisation in different species. |
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Address |
Universite de Rennes 1, France |
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English |
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ISSN |
1357-650X |
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Notes |
PMID:16754236 |
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no |
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Call Number |
Equine Behaviour @ team @ room B 3.029 |
Serial |
1826 |
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Author |
Boice, R. |
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Title |
Behavioral comparability of wild and domesticated rats |
Type |
Journal Article |
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Year |
1981 |
Publication |
Behavior Genetics |
Abbreviated Journal |
Behav Genet |
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Volume |
11 |
Issue |
5 |
Pages |
545-553 |
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Keywords |
Animals; *Behavior, Animal; Female; Genetics, Behavioral; Intelligence; Learning; Male; Rats/*genetics |
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Abstract |
The oft-repeated concern for the lack of behavioral comparability of domestic rats with wild forms of Rattus norvegicus is unfounded. Laboratory rats appear to show the potential for all wild-type behaviors, including the most dramatic social postures. Moreover, domestics are capable of assuming a feral existence without difficulty, one where they readily behave in a fashion indistinguishable from wild rats. The one behavioral difference that is clearly established concerns performance in laboratory learning paradigms. The superiority of domestics in these laboratory tasks speaks more to quieting the concerns of degeneracy theorists than to problems of using domestic Norway rats as subjects representative of their species. |
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English |
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0001-8244 |
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Notes |
PMID:7325955 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4144 |
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Author |
Houpt, K.A.; Wolski, T.R. |
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Title |
Stability of equine hierarchies and the prevention of dominance related aggression |
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Journal Article |
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Year |
1980 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
12 |
Issue |
1 |
Pages |
15-18 |
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Keywords |
*Aggression; Animals; *Behavior, Animal; Feeding Behavior; Female; *Hierarchy, Social; *Horses; Humans; Male; Maternal Behavior; *Social Dominance |
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Abstract |
The dominance hierarchy of a herd of 10 Thoroughbred mares was determined twice, at an interval of 18 months, using paired feeding tests. Each mare's rank was correlated significantly between the 2 tests. This indicated that the hierarchy within the herd was stable. The offspring of dominant and subordinate mares were also tested for dominance in their own age groups. The offspring of dominant mares tended to be near the top of the hierarchy while those of middle and low ranking mares were not consistently found in the middle or bottom of their own hierarchies. Paired feeding tests were carried out on 8 ponies. During tests the time that each pony spent eating and the ponies' aggressive interactions were recorded. Two situations were used. Each pony-pair was tested when both ponies were in the same paddock and also when they were separated by a rail fence. The subordinate ponies spent significantly more time eating and the domonant pony was significantly less aggressive, when the pony-pair was separated by a fence than when they were in one paddock. It was concluded that the dominance hierarchies of adult horse groups changed very little over time and that the foals of dominant mares will tend to be dominant in their own age groups. Management practices can be used to reduce aggression and consequent injury that may arise in group feeding situations. |
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ISSN |
0425-1644 |
ISBN |
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Notes |
PMID:7189148 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
59 |
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Author |
Klein, E.D.; Bhatt, R.S.; Zentall, T.R. |
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Title |
Contrast and the justification of effort |
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Journal Article |
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Year |
2005 |
Publication |
Psychonomic bulletin & review |
Abbreviated Journal |
Psychon Bull Rev |
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Volume |
12 |
Issue |
2 |
Pages |
335-339 |
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Keywords |
Awareness; *Cognition; *Discrimination (Psychology); Female; Humans; Male; Questionnaires; *Visual Perception |
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Abstract |
When humans are asked to evaluate rewards or outcomes that follow unpleasant (e.g., high-effort) events, they often assign higher value to that reward. This phenomenon has been referred to as cognitive dissonance or justification of effort. There is now evidence that a similar phenomenon can be found in nonhuman animals. When demonstrated in animals, however, it has been attributed to contrast between the unpleasant high effort and the conditioned stimulus for food. In the present experiment, we asked whether an analogous effect could be found in humans under conditions similar to those found in animals. Adult humans were trained to discriminate between shapes that followed a high-effort versus a low-effort response. In test, participants were found to prefer shapes that followed the high-effort response in training. These results suggest the possibility that contrast effects of the sort extensively studied in animals may play a role in cognitive dissonance and other related phenomena in humans. |
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University of Kentucky, Lexington, KY 40506-0044, USA |
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English |
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ISSN |
1069-9384 |
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Notes |
PMID:16082815 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
223 |
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Author |
Deutsch, J.; Lee, P. |
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Title |
Dominance and feeding competition in captive rhesus monkeys |
Type |
Journal Article |
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Year |
1991 |
Publication |
International Journal of Primatology |
Abbreviated Journal |
Int. J. Primatol. |
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Volume |
12 |
Issue |
6 |
Pages |
615-628 |
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Keywords |
female dominance – feeding competition – nutrition – stress |
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Abstract |
The feeding behavior of 16 adult female rhesus monkeys living in three captive social groups was observed. Estimates of relative food intake, feeding rate, and location of feeding in relation to food sources were compared between females of different dominance ranks. Higher-ranking females had greater access to feeding sites and were supplanted or threatened less frequently while feeding than subordinates. However, no consistent differences in estimates of total intake were found between females of high and females of low rank. The effects of dominance on feeding behavior were most pronounced in the group receiving the least food relative to estimates of overall group nutritional requirements. Higher-ranking females, both over the long term and during the study period, tended to produce more surviving offspring. The effects of dominance on reproductive performance appeared to be less related to food intake than to competitive and aggressive interactions, potentially resulting in higher levels of stress for subordinates. |
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refbase @ user @ |
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813 |
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Author |
Takai, S.; Narita, K.; Ando, K.; Tsubaki, S. |
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Title |
Ecology of Rhodococcus (Corynebacterium) equi in soil on a horse-breeding farm |
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Journal Article |
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Year |
1986 |
Publication |
Veterinary Microbiology |
Abbreviated Journal |
Vet Microbiol |
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Volume |
12 |
Issue |
2 |
Pages |
169-177 |
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Keywords |
Actinomycetales/classification/*growth & development; Animals; Corynebacterium/classification/*growth & development; Feces/microbiology; Female; Horses; Serotyping; *Soil Microbiology |
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Abstract |
The ecology of Rhodococcus (Corynebacterium) equi in soil was studied on a horse-breeding farm. R. equi was cultured from soil at a depth of 0, 10, and 20 cm on the six sites of the farm at monthly intervals for 10 months from March to December of 1983. The highest numbers of R. equi were found in the surface soil. The mean number of bacteria in soil samples at every depth increased remarkably from 0 or 10(2) to 10(4) colony-forming units (CFU) g-1 of soil in the middle of April, and later decreased gradually. R. equi inoculated into six soil exudate broths prepared from surface soils at separate sites yielded suspensions with different optical densities, indicating differences in growth. The distribution of serotypes in the soil was similar to that in the horses on the farm. These findings indicated that R. equi could multiply in the soil and flourish in the cycle existing between horses and their soil environment. |
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English |
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ISSN |
0378-1135 |
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Notes |
PMID:3750818 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2683 |
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