| Records |
| Author |
Ayres, C.M.; Davey, L.M.; German, W.J. |
| Title |
Cerebral Hydatidosis. Clinical Case Report With A Review Of Pathogenesis |
Type |
Journal Article |
| Year |
1963 |
Publication |
Journal of Neurosurgery |
Abbreviated Journal |
J Neurosurg |
| Volume |
20 |
Issue  |
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Pages |
371-377 |
| Keywords |
*Alaska; *Arctic Regions; *Brain Diseases; *Cattle; *Child; *Dogs; *Echinococcosis; *Ecology; *Epidemiology; *Heart Diseases; *Horses; *Infant; *Inuits; *Occipital Lobe; *Sheep; *Alaska; *Arctic Regions; *Brain Diseases; *Cattle; *Child; *Dogs; *Echinococcosis; *Ecology; *Epidemiology; *Eskimos; *Heart Diseases; *Horses; *Infant; *Occipital Lobe; *Review; *Sheep |
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English |
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| ISSN |
0022-3085 |
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| Notes |
PMID:14186052 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2748 |
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| Author |
Houpt, K.A. |
| Title |
Animal behavior as a subject for veterinary students |
Type |
Journal Article |
| Year |
1976 |
Publication |
The Cornell veterinarian |
Abbreviated Journal |
Cornell Vet |
| Volume |
66 |
Issue |
1 |
Pages |
73-81 |
| Keywords |
Aggression; Animals; *Behavior, Animal; Cats; Chickens; Dogs; Education, Veterinary; Goats; Horses; Humans; Maternal Behavior; Mice; New York; Sexual Behavior, Animal; Sheep; Sleep; Social Behavior; Social Dominance; Swine |
| Abstract |
Knowledge of animal behavior is an important asset for the veterinarian; therefore a course in veterinary animal behavior is offered at the New York State College of Veterinary Medicine as an elective. The course emphasizes the behavior of those species of most interest to the practicing veterinarian: cats, dogs, horses, cows, pigs and sheep. Dominance heirarchies, animal communication, aggressive behavior, sexual behavior and maternal behavior are discussed. Play, learning, diurnal cycles of activity and sleep, and controls of ingestive behavior are also considered. Exotic and zoo animal behaviors are also presented by experts in these fields. The critical periods of canine development are related to the optimum management of puppies. The behavior of feral dogs and horses is described. The role of the veterinarian in preventing cruelty to animals and recognition of pain in animals is emphasized. Whenever possible behavior is observed in the laboratory or on film. |
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English |
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Edition |
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| ISSN |
0010-8901 |
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Conference |
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| Notes |
PMID:767053 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
61 |
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| Author |
Brauer, J.; Kaminski, J.; Riedel, J.; Call, J.; Tomasello, M. |
| Title |
Making inferences about the location of hidden food: social dog, causal ape |
Type |
Journal Article |
| Year |
2006 |
Publication |
Journal of comparative psychology |
Abbreviated Journal |
J Comp Psychol |
| Volume |
120 |
Issue |
1 |
Pages |
38-47 |
| Keywords |
Animals; Communication; Cues; Dogs; Exploratory Behavior; *Feeding Behavior; Female; *Food; Male; Pan paniscus; Pan troglodytes; *Visual Perception |
| Abstract |
Domestic dogs (Canis familiaris) and great apes from the genus Pan were tested on a series of object choice tasks. In each task, the location of hidden food was indicated for subjects by some kind of communicative, behavioral, or physical cue. On the basis of differences in the ecologies of these 2 genera, as well as on previous research, the authors hypothesized that dogs should be especially skillful in using human communicative cues such as the pointing gesture, whereas apes should be especially skillful in using physical, causal cues such as food in a cup making noise when it is shaken. The overall pattern of performance by the 2 genera strongly supported this social-dog, causal-ape hypothesis. This result is discussed in terms of apes' adaptations for complex, extractive foraging and dogs' adaptations, during the domestication process, for cooperative communication with humans. |
| Address |
Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany. jbraeuer@eva.mpg.de |
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Place of Publication |
Washington, D.C. : 1983 |
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English |
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| ISSN |
0735-7036 |
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| Notes |
PMID:16551163 |
Approved |
yes |
| Call Number |
refbase @ user @ |
Serial |
597 |
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| Author |
Ward, C.; Smuts, B.B. |
| Title |
Quantity-based judgments in the domestic dog (Canis lupus familiaris) |
Type |
Journal Article |
| Year |
2007 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
10 |
Issue |
1 |
Pages |
71-80 |
| Keywords |
Animals; *Choice Behavior; Dogs; Female; Food; Male; *Size Perception |
| Abstract |
We examined the ability of domestic dogs to choose the larger versus smaller quantity of food in two experiments. In experiment 1, we investigated the ability of 29 dogs (results from 18 dogs were used in the data analysis) to discriminate between two quantities of food presented in eight different combinations. Choices were simultaneously presented and visually available at the time of choice. Overall, subjects chose the larger quantity more often than the smaller quantity, but they found numerically close comparisons more difficult. In experiment 2, we tested two dogs from experiment 1 under three conditions. In condition 1, we used similar methods from experiment 1 and tested the dogs multiple times on the eight combinations from experiment 1 plus one additional combination. In conditions 2 and 3, the food was visually unavailable to the subjects at the time of choice, but in condition 2, food choices were viewed simultaneously before being made visually unavailable, and in condition 3, they were viewed successively. In these last two conditions, and especially in condition 3, the dogs had to keep track of quantities mentally in order to choose optimally. Subjects still chose the larger quantity more often than the smaller quantity when the food was not simultaneously visible at the time of choice. Olfactory cues and inadvertent cuing by the experimenter were excluded as mechanisms for choosing larger quantities. The results suggest that, like apes tested on similar tasks, some dogs can form internal representations and make mental comparisons of quantity. |
| Address |
Department of Psychology, University of Michigan, 1012 East Hall, 530 Church Street, Ann Arbor, MI 48109-1043, USA. rameses@unich.edu |
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English |
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| ISSN |
1435-9448 |
ISBN |
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Conference |
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| Notes |
PMID:16941158 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2440 |
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| Author |
Virányi, Z.; Topál, J.; Miklósi, Á.; Csányi, V. |
| Title |
A nonverbal test of knowledge attribution: a comparative study on dogs and children |
Type |
Journal Article |
| Year |
2006 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
9 |
Issue |
1 |
Pages |
13-26 |
| Keywords |
Animals; *Child Psychology; Child, Preschool; Cues; Dogs/*psychology; Female; Humans; Male; Nonverbal Communication; *Problem Solving; Species Specificity |
| Abstract |
The sensitivity of eleven pet dogs and eleven 2.5-year-old children to others' past perceptual access was tested for object-specificity in a playful, nonverbal task in which a human Helper's knowledge state regarding the whereabouts of a hidden toy and a stick (a tool necessary for getting the out-of-reach toy) was systematically manipulated. In the four experimental conditions the Helper either participated or was absent during hiding of the toy and the stick and therefore she knew the place(s) of (1) both the toy and the stick, (2) only the toy, (3) only the stick or (4) neither of them. The subjects observed the hiding processes, but they could not reach the objects, so they had to involve the Helper to retrieve the toy. The dogs were more inclined to signal the place of the toy in each condition and indicated the location of the stick only sporadically. However the children signalled both the location of the toy and that of the stick in those situations when the Helper had similar knowledge regarding the whereabouts of them (i.e. knew or ignored both of them), and in those conditions in which the Helper was ignorant of the whereabouts of only one object the children indicated the place of this object more often than that of the known one. At the same time however, both dogs and children signalled the place of the toy more frequently if the Helper had been absent during toy-hiding compared to those conditions when she had participated in the hiding. Although this behaviour appears to correspond with the Helper's knowledge state, even the subtle distinction made by the children can be interpreted without a casual understanding of knowledge-formation in others. |
| Address |
Department of Ethology, ELTE University Budapest, Pazmany P. setany 1/C H-1117, Hungary. zsofi.viranyi@freemail.hu |
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English |
Summary Language |
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Edition |
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| ISSN |
1435-9448 |
ISBN |
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Conference |
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| Notes |
PMID:15895261 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2486 |
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| Author |
Riedel, J.; Buttelmann, D.; Call, J.; Tomasello, M. |
| Title |
Domestic dogs (Canis familiaris) use a physical marker to locate hidden food |
Type |
Journal Article |
| Year |
2006 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
9 |
Issue |
1 |
Pages |
27-35 |
| Keywords |
Animals; Cues; Dogs/*psychology; Female; Gestures; Humans; Male; *Nonverbal Communication; *Recognition (Psychology); Signal Detection (Psychology); Visual Perception |
| Abstract |
Dogs can use the placement of an arbitrary marker to locate hidden food in an object-choice situation. We tested domestic dogs (Canis familiaris) in three studies aimed at pinning down the relative contributions of the human's hand and the marker itself. We baited one of two cups (outside of the dogs' view) and gave the dog a communicative cue to find the food. Study 1 systematically varied dogs' perceptual access to the marker placing event, so that dogs saw either the whole human, the hand only, the marker only, or nothing. Follow-up trials investigated the effect of removing the marker before the dog's choice. Dogs used the marker as a communicative cue even when it had been removed prior to the dog's choice and attached more importance to this cue than to the hand that placed it although the presence of the hand boosted performance when it appeared together with the marker. Study 2 directly contrasted the importance of the hand and the marker and revealed that the effect of the marker diminished if it had been associated with both cups. In contrast touching both cups with the hand had no effect on performance. Study 3 investigated whether the means of marker placement (intentional or accidental) had an effect on dogs' choices. Results showed that dogs did not differentiate intentional and accidental placing of the marker. These results suggest that dogs use the marker as a genuine communicative cue quite independently from the experimenter's actions. |
| Address |
Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6 D-04103, Leipzig, Germany. riedel@eva.mpg.de |
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English |
Summary Language |
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Edition |
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1435-9448 |
ISBN |
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Conference |
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| Notes |
PMID:15846526 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2488 |
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| Author |
Fiset, S.; Landry, F.; Ouellette, M. |
| Title |
Egocentric search for disappearing objects in domestic dogs: evidence for a geometric hypothesis of direction |
Type |
Journal Article |
| Year |
2006 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
9 |
Issue |
1 |
Pages |
1-12 |
| Keywords |
Animals; Dogs/*psychology; Female; Form Perception; Male; Mental Recall; *Motion Perception; Orientation; Problem Solving; *Space Perception |
| Abstract |
In several species, the ability to locate a disappearing object is an adaptive component of predatory and social behaviour. In domestic dogs, spatial memory for hidden objects is primarily based on an egocentric frame of reference. We investigated the geometric components of egocentric spatial information used by domestic dogs to locate an object they saw move and disappear. In experiment 1, the distance and the direction between the position of the animal and the hiding location were put in conflict. Results showed that the dogs primarily used the directional information between their own spatial coordinates and the target position. In experiment 2, the accuracy of the dogs in finding a hidden object by using directional information was estimated by manipulating the angular deviation between adjacent hiding locations and the position of the animal. Four angular deviations were tested: 5, 7.5, 10 and 15 degrees . Results showed that the performance of the dogs decreased as a function of the angular deviations but it clearly remained well above chance, revealing that the representation of the dogs for direction is precise. In the discussion, we examine how and why domestic dogs determine the direction in which they saw an object disappear. |
| Address |
Secteur Sciences Humaines, Universite de Moncton, Campus d'Edmundston, Edmundston, New-Brunswick, Canada E3V 2S8. sfiset@umce.ca |
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English |
Summary Language |
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1435-9448 |
ISBN |
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Expedition |
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Conference |
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| Notes |
PMID:15750805 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2489 |
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| Author |
Osthaus, B.; Lea, S.E.G.; Slater, A.M. |
| Title |
Dogs (Canis lupus familiaris) fail to show understanding of means-end connections in a string-pulling task |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
1 |
Pages |
37-47 |
| Keywords |
Animals; *Association Learning; *Cognition; Dogs/*psychology; *Problem Solving |
| Abstract |
Domestic dogs (Canis lupus familiaris) were tested in four experiments for their understanding of means-end connections. In each of the experiments, the dogs attempted to retrieve a food treat that could be seen behind a barrier and which was connected, via string, to a within-reach wooden block. In the experiments, either one or two strings were present, but the treat was attached only to one string. Successful retrieval of the treat required the animals to pull the appropriate string (either by pawing or by grasping the wooden block in their jaws) until the treat emerged from under the barrier. The results showed that the dogs were successful if the treat was in a perpendicular line to the barrier, i.e. straight ahead, but not when the string was at an angle: in the latter condition, the typical response was a proximity error in that the dogs pawed or mouthed at a location closest in line to the treat. When two strings that crossed were present, the dogs tended to pull on the wrong string. The combined results from the experiments show that, although dogs can learn to pull on a string to obtain food, they do not spontaneously understand means-end connections involving strings. |
| Address |
School of Psychology, University of Exeter, Exeter, EX4 4QG, UK. b.osthaus@exeter.ac.uk |
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English |
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1435-9448 |
ISBN |
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Conference |
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| Notes |
PMID:15338446 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2513 |
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| Author |
Hare, J.F.; Sealy, S.G.; Underwood, T.J.; Ellison, K.S.; Stewart, R.L.M. |
| Title |
Evidence of self-referent phenotype matching revisited: airing out the armpit effect |
Type |
Journal Article |
| Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
6 |
Issue |
1 |
Pages |
65-68 |
| Keywords |
Alleles; Animals; Birds; Cricetinae; Dogs; Humans; Invertebrates; Learning; *Odors; Pedigree; Phenotype; *Recognition (Psychology); Self Psychology; *Social Behavior |
| Abstract |
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| Address |
Department of Zoology, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. harejf@cc.umanitoba.ca |
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English |
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1435-9448 |
ISBN |
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| Notes |
PMID:12701614 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2576 |
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| Author |
Fiset, S.; Beaulieu, C.; Landry, F. |
| Title |
Duration of dogs' (Canis familiaris) working memory in search for disappearing objects |
Type |
Journal Article |
| Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
6 |
Issue |
1 |
Pages |
1-10 |
| Keywords |
Animals; Dogs/*psychology; *Exploratory Behavior; Female; Male; *Memory; Visual Perception |
| Abstract |
Two experiments explored the duration of dogs' working memory in an object permanence task: a delay was introduced between the disappearance of a moving object behind a box and the beginning of the search by the animal. In experiment 1, the dogs were tested with retention intervals of 0, 10, 30, and 60 s. Results revealed that the dogs' accuracy declined as a function of the length of the retention interval but remained above chance for each retention interval. In experiment 2, with new subjects, longer retention intervals (0, 30, 60, 120, and 240 s) were presented to the dogs. Results replicated findings from experiment 1 and revealed that the dogs' accuracy remained higher than chance level with delays up to 240 s. In both experiments, the analysis of errors also showed that the dogs searched as a function of the proximity of the target box and were not subject to intertrial proactive interference. In the discussion, we explore different alternatives to explain why dogs' search behaviour for hidden objects decreased as a function of the retention intervals. |
| Address |
Secteur Sciences Humaines, Universite de Moncton, Campus d'Edmundston, E3V 2S8, Edmundston, New Brunswick, Canada. sfiset@umce.ca |
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English |
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Edition |
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1435-9448 |
ISBN |
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Expedition |
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Conference |
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| Notes |
PMID:12658530 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2586 |
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