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Author |
Brügger, A. |
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Title |
Die Erkrankungen des Bewegungsapparates und seines Nervensystems. |
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Book Whole |
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Year |
1980 |
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Gustav Fischer |
Place of Publication |
Stuttgart |
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ISBN |
3437105051 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4440 |
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Author |
Brügger, A. |
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Title |
Gesunde Körperhaltung im Alltag |
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Book Whole |
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Year |
1980 |
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Dr. A. Brügger |
Place of Publication |
Zürich |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4451 |
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Author |
Harvey, P.H.; Clutton-Brock, T.H.; Mace, G.M. |
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Title |
Brain size and ecology in small mammals and primates |
Type |
Journal Article |
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Year |
1980 |
Publication |
Proceedings of the National Academy of Sciences |
Abbreviated Journal |
PNAS |
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Volume |
77 |
Issue |
7 |
Pages |
4387-4389 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5456 |
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Author |
Frank, H. |
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Title |
Evolution of canine information processing under conditions of natural and artificial selection |
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Journal Article |
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Year |
1980 |
Publication |
Z Tierpsychol |
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Volume |
5 |
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Call Number |
Equine Behaviour @ team @ Frank1980 |
Serial |
6243 |
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Author |
Beck, B. B. |
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Title |
Animal tool behaviour: The use and manufacture of tools by animals |
Type |
Book Whole |
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Year |
1980 |
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Publisher |
Garland |
Place of Publication |
New York |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6524 |
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Author |
Bunnell, B.; Gore, W.; Perkins, M. |
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Title |
Performance correlates of social behavior and organization: Social rank and reversal learning in crab-eating macaques (M. fascicularis) |
Type |
Journal Article |
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Year |
1980 |
Publication |
Primates |
Abbreviated Journal |
Primates |
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Volume |
21 |
Issue |
3 |
Pages |
376-388 |
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Abstract |
Abstract Seventeen male crab-eating macaques drawn from two captive troops, were tested on a brightness discrimination, reversal learning task. Fourteen of these animals completed ten reversals. It was found that the performance of the three highest ranking animals from each troop, taken together, was poorer than that of the lower ranking animals that were tested. The high ranking animals made more errors before reaching criterion on both initial learning and the reversal problems. Analysis of error patterns revealed that, while the high ranking animals had no more difficulty than the others in withholding their responses to the previously correct stimulus following reversals, they did not adopt the correct strategy as soon as the low ranking animals. The results have been interpreted in terms of a carry-over of a hypothetical factor or factors resulting from pressures created by the ongoing social dynamics involved in establishing and maintaining a given social rank at the time laboratory testing occurred. |
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Notes |
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Approved |
no |
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Call Number |
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Serial |
2083 |
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Author |
Bunnell, B.; Perkins, M. |
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Title |
Performance correlates of social behavior and organization: Social rank and complex problem solving in crab-eating macaques (M. fascicularis) |
Type |
Journal Article |
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Year |
1980 |
Publication |
Primates |
Abbreviated Journal |
Primates |
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Volume |
21 |
Issue |
4 |
Pages |
515-523 |
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Keywords |
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Abstract |
Abstract Seventeen male crab-eating macaques, drawn from two captive troops, were tested on a series of complex problem solving tasks in a Wisconsin General Test Apparatus (wgta). The animals were trained on a series of 6-trial object quality learning set problems followed by a series of 10-trial object quality learning set problems. They were then given problems in which the correct stimulus object was reversed part way through the problem. After the animals reached criterion on this task, the reversal learning set was then extinguished. High ranking animals made more intraproblem errors than low ranking animals on the 6-trial problems, but there was no relationship between social status and the rapidity with which the object quality learning set was established. Animals that received overtraining on the 6-trial problems transferred their learning virtually intact to the 10-trial problems; however, high ranking animals without overtraining made more errors than low ranking animals. On reversal learning and reversal extinction, high ranking animals made more errors on critical trials, indicating that they formed and extinguished the reversal set more slowly than low ranking animals. Object quality sets, as measured by trial-2 performance, were not affected by the reversal conditions. |
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no |
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Call Number |
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Serial |
2082 |
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Author |
van Niekerk, H.P. |
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Title |
Ethological studies within the man-horse relationship |
Type |
Journal Article |
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Year |
1980 |
Publication |
Journal of the South African Veterinary Association |
Abbreviated Journal |
J S Afr Vet Assoc |
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Volume |
51 |
Issue |
4 |
Pages |
237-238 |
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Keywords |
Animals; Behavior, Animal; Hearing; Horses/*physiology; Humans; Smell; Taste; Touch; Vision |
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Abstract |
Certain aspects of ethology and the horse's senses are discussed to bring about a better understanding between man and horse. Furthermore the behaviour of horses with respect to housing, feeding, breeding, veterinary treatment and work are considered. |
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English |
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ISSN |
1019-9128 |
ISBN |
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Notes |
PMID:7241494 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
1960 |
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Author |
Hintz, R.L. |
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Title |
Genetics of performance in the horse |
Type |
Journal Article |
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Year |
1980 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
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Volume |
51 |
Issue |
3 |
Pages |
582-594 |
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Keywords |
Animals; Exertion; Horses/*genetics/physiology; Sports |
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Abstract |
Criteria used to measure performance, environmental factors that influence performance and estimates of heritability are needed to estimate genetic differences. Published heritability estimates of various measures of performance in the horse are summarized. The average heritability estimates of pulling ability and cutting ability are .25 and .04, respectively. Heritability estimates are .18, .19 and .17 for log of earnings from jumping, 3-day event and dressage performance, respectively. Heritability estimates of performance rates, log of earnings, earnings, handicap weight, best handicap weight, time and best time for the Thoroughbred are .55, .49, .09, .49, .33, .15 and .23, respectively. Heritability estimates of log of earnings, earnings, time and best time for the trotter are .41, .20, .32, and .25, respectively. The heritability estimate of best time for the pacer is .23. The effectiveness of selection will depend on which performance trait is to be improved. |
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English |
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ISSN |
0021-8812 |
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Notes |
PMID:7440446 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3758 |
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Author |
Shettleworth, S.J.; Juergensen, M.R. |
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Title |
Reinforcement and the organization of behavior in golden hamsters: brain stimulation reinforcement for seven action patterns |
Type |
Journal Article |
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Year |
1980 |
Publication |
Journal of experimental psychology. Animal behavior processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
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Volume |
6 |
Issue |
4 |
Pages |
352-375 |
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Keywords |
Animals; Behavior, Animal/*physiology; Cricetinae; Electric Stimulation; Female; Hypothalamus/*physiology; Male; Medial Forebrain Bundle/physiology; Mesocricetus; *Reinforcement (Psychology) |
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Abstract |
Golden hamsters were reinforced with intracranial electrical stimulation of the lateral hypothalamus (ICS) for spending time engaging in one of seven topographically defined action patterns (APs). The stimulation used as reinforcer elicited hoarding and/or feeding and supported high rates of bar pressing. In Experiment 1, hamsters were reinforced successively for digging, open rearing, and face washing. Digging increased most in time spent, and face washing increased least. Experiments 2-5 examined these effects further and also showed that “scrabbling,” like digging, was performed a large proportion of the time, almost without interruption, for contingent ICS but that scratching the body with a hindleg and scent-marking showed relatively little effect of contingent ICS, the latter even in an environment that facilitated marking. In Experiment 6, naive hamsters received ICS not contingent on behavior every 30 sec (fixed-time 30-sec schedule). Terminal behaviors that developed on this schedule were APs that were easy to reinforce in the other experiments, but a facultative behavior, face washing, was one not so readily reinforced. Experiment 7 confirmed a novel prediction from Experiment 6--that wall rearing, a terminal AP, would be performed at a high level for contingent ICS. All together, the results point to both motivational factors and associative factors being involved in the considerable differences in performance among different reinforced activities. |
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English |
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ISSN |
0097-7403 |
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Notes |
PMID:6968817 |
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Call Number |
refbase @ user @ |
Serial |
386 |
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