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Author Vallortigara G.; Regolin L.; Pagni P. doi  openurl
  Title Detour behaviour, imprinting and visual lateralization in the domestic chick Type Journal Article
  Year (up) 1999 Publication Cognitive Brain Research Abbreviated Journal  
  Volume 7 Issue Pages 307-320  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 3461  
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Author Thomas R. Zentall doi  openurl
  Title Animal Cognition: The Bridge BetweenAnimal Learning and Human Cognition Type Journal Article
  Year (up) 1999 Publication Psychological Science Abbreviated Journal  
  Volume 10 Issue Pages 206-208  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 3481  
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Author Mullin, M.H. url  openurl
  Title MIRRORS AND WINDOWS: Sociocultural Studies of Human-Animal Relationships Type Journal Article
  Year (up) 1999 Publication Annual Review of Anthropology Abbreviated Journal  
  Volume 28 Issue 1 Pages 201-224  
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  Abstract Humans' relationships with animals, increasingly the subject of controversy, have long been of interest to those whose primary aim has been the better understanding of humans' relationships with other humans. Since this topic was last reviewed here, human-animal relationships have undergone considerable reexamination, reflecting key trends in the history of social analysis, including concerns with connections between anthropology and colonialism and with the construction of race, class, and gender identities. There have been many attempts to integrate structuralist or symbolic approaches with those focused on environmental, political, and economic dimensions. Human-animal relationships are now much more likely to be considered in dynamic terms, and consequently, there has been much interdisciplinary exchange between anthropologists and historians. Some research directly engages moral and political concerns about animals, but it is likely that sociocultural research on human-animal relationships will continue to be as much, if not more, about humans.  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 3534  
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Author Hanggi, E.B. doi  openurl
  Title Interocular transfer of learning In horses (Equus caballus) Type Journal Article
  Year (up) 1999 Publication Journal of Equine Veterinary Science Abbreviated Journal J Equine Vet Sci  
  Volume 19 Issue 8 Pages 518-524  
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  Call Number Equine Behaviour @ team @ Serial 3564  
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Author Timney, B.; Keil, K. doi  openurl
  Title Local and global stereopsis in the horse Type Journal Article
  Year (up) 1999 Publication Vision Research Abbreviated Journal Vision Res  
  Volume 39 Issue 10 Pages 1861-1867  
  Keywords Animals; Depth Perception/*physiology; Female; Horses/*physiology; Pattern Recognition, Visual/physiology; Psychophysics; Sensory Thresholds/physiology; Vision, Binocular/physiology; Vision, Monocular/physiology  
  Abstract Although horses have laterally-placed eyes, there is substantial binocular overlap, allowing for the possibility that these animals have stereopsis. In the first experiment of the present study we measured local stereopsis by obtaining monocular and binocular depth thresholds for renal depth stimuli. On all measures, the horses' binocular performance was superior to their monocular. When depth thresholds were obtained, binocular thresholds were several times superior to those obtained monocularly, suggesting that the animals could use stereoscopic information when it was available. The binocular thresholds averaged about 15 min arc. In the second experiment we obtained evidence for the presence of global stereopsis by testing the animals' ability to discriminate between random-dot stereograms with and without consistent disparity information. When presented with such stimuli they showed a strong preference for the cyclopean equivalent of the positive stimulus with the real depth. These results provide the first behavioral demonstration of a full range of stereoscopic skills in a lateral-eyed mammal.  
  Address Department of Psychology, Faculty of Social Science, University of Western Ontario, London, Canada. timney@julian.uwo.ca  
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  Series Volume Series Issue Edition  
  ISSN 0042-6989 ISBN Medium  
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  Notes PMID:10343877 Approved yes  
  Call Number Equine Behaviour @ team @ Serial 3580  
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Author Lejeune, H.; Macar, F.; Zakay, D. url  openurl
  Title Attention and timing: dual-task performance in pigeons Type Journal Article
  Year (up) 1999 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 45 Issue 1-3 Pages 141-157  
  Keywords Timing; Dual task; Attention; Pigeons  
  Abstract Pigeons were exposed to an analog of a `dual-task' procedure used to test attentional models of timing in humans. After separate training on an auditory duration discrimination and on a variable ratio (VR) schedule, VR episodes lasting for 5 s were superimposed on the stimuli to be timed, either early (E) or late (L) during the trial. Trials with VR yielded underestimation of the target durations (increased % of `short' choices), relative to trials without VR, and this effect was stronger under the L than under the E condition. Data were similar to those collected with humans and support attentional models of timing according to which the simultaneous non-timing task uses processing resources which are diverted from the timing mechanisms.  
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  Call Number Equine Behaviour @ team @ Serial 3582  
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Author DUNN, L.J. url  openurl
  Title PRELIMINARY INVESTIGATION OF EQUINE LEARNING AND MEMORY Type Journal Article
  Year (up) 1999 Publication Abbreviated Journal  
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  Abstract ABSTRACT

Six horses demonstrated observation and discrimination learning and memory ability. The purpose of this study was to gain further knowledge in the area of equine learning. Performance on each task was compared in a single subject design. Subjects learned to discriminate between a black and a white bucket. The criterion for learning was set at 80% correct black bucket choice. All subjects successfully performed the discrimination task by the eighth session. Observation learning was unsuccessful; no subject reached the 80% correct criterion. Five horses were tested for memory retention of the discrimination task three weeks after the initial learning. All subjects performed the discrimination by the second session of two. These data support existing results from similar learning and memory tasks.
 
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  Publisher DEPARTMENT OF PSYCHOLOGY Place of Publication MISSOURI WESTERN STATE COLLEGE Editor  
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  Call Number Equine Behaviour @ team @ Serial 3621  
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Author Hanggi, E.B. url  openurl
  Title Categorization Learning in Horses (Equus caballus) Type Journal Article
  Year (up) 1999 Publication Journal of Comparative Psychology Abbreviated Journal J. Comp. Psychol.  
  Volume 113 Issue 3 Pages 243-252  
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  Abstract Categorization learning was investigated in 2 horses (Equus caballus). Both horses learned to select a 2-dimensional black stimulus with an open center instead of a filled stimulus in a 2-choice discrimination task. After a criterion of 10 out of 10 correct responses in a random series for 2 consecutive sessions was reached, 15 additional pairs of open-center versus filled stimuli were tested. Each was run to criterion and then incorporated into sessions of randomly mixed problems. Both horses solved the 1st problem by simple pattern discrimination and showed evidence of categorical processing for subsequent problems. New pairs were learned with few or no errors, and correct responses on novel trials were significantly above chance. These results suggest that the horses were making their selections on the basis of shared characteristics with the training stimuli and were using categorization skills in problem solving.  
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  Call Number Equine Behaviour @ team @ Serial 3678  
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Author Rogers, C.W.; Davies, A.S.; Pfeiffer, D.U.; Davie, P.S. openurl 
  Title Linear and temporal stride characteristics of 3-day event horses at a CCI*** 3-day event horse inspection Type Journal Article
  Year (up) 1999 Publication New Zealand Veterinary Journal Abbreviated Journal N Z Vet J  
  Volume 47 Issue 6 Pages 193-197  
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  Abstract AIMS: To quantify the linear and temporal characteristics of the trot of 3-day event horses during the preliminary horse inspection of an advanced grade CCI* 3-day event. METHODS: A cross sectional study was made of the kinematics of 24 3-day-event horses during the first horse inspection at a CCI* level S-day event. Video footage was digitised and linear and temporal measurements were made. RESULTS: The horses trotted for an average of 10.44+/-1.55 strides. Spatial measurements were made on an average of 5.66+/-0.92 consecutive strides when the horses were within the calibration zone. The horses increased and then obtained a constant velocity within the calibration zone. Trotting on the asphalt track did not alter the relationships between stride length, stride duration and velocity when compared with previously published values. Horse-specific differences in stance and retraction percentages were identified. CONCLUSION: Horse specific differences were identified that may contribute to each horse's unique gait or kinematic fingerprint. It is proposed that the initiation of, and completion of, stance by the hind limb first may represent engagement of the hind quarters and be a response to dressage training.  
  Address Equine Research, New Zealand  
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  ISSN 0048-0169 ISBN Medium  
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  Notes PMID:16032102 Approved no  
  Call Number Equine Behaviour @ team @ Serial 3714  
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Author Odberg, F.O.; Bouissou, M.F. openurl 
  Title The development of equestrianism from the baroque period to the present day and its consequences for the welfare of horses Type Journal Article
  Year (up) 1999 Publication Equine Veterinary Journal. Supplement Abbreviated Journal Equine Vet J Suppl  
  Volume Issue 28 Pages 26-30  
  Keywords Animal Husbandry/*history/standards; Animal Welfare/*history; Animals; Bonding, Human-Pet; History, 15th Century; History, 16th Century; History, 17th Century; History, 18th Century; History, 19th Century; History, 20th Century; *Horses; Humans; Stress/etiology/history/veterinary  
  Abstract Many saddle horses are slaughtered at a young age which could be indicative of a welfare problem. Bad riding is probably an underestimated source of poor welfare. Widespread knowledge of 'academic' riding should be encouraged and should be beneficial to all horses, at all schooling levels, for all purposes. In particular, 18th century principles tend to be forgotten and in this article the authors illustrate some differences to modern dressage. Various suggestions are made in order to improve welfare.  
  Address University of Ghent, Faculty of Veterinary Medicine, Heidestraat 19, B-9820, Merelbeke, Belgium  
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  Notes PMID:11314231 Approved no  
  Call Number Equine Behaviour @ team @ Serial 3729  
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