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Author |
Heyes, C.M. |
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Title |
Transformation and associative theories of imitation. |
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Book Chapter |
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Year |
2002 |
Publication |
Imitation in animals and artefacts |
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501-523 |
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MIT Press |
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Cambridge, MA. |
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Dautenhahn, K. ; Nehaniv, C. L. |
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Call Number |
Equine Behaviour @ team @ |
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5602 |
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Author |
Hopkins, W.D.; Washburn, D.A. |
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Title |
Matching visual stimuli on the basis of global and local features by chimpanzees (Pan troglodytes) and rhesus monkeys (Macaca mulatta) |
Type |
Journal Article |
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Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
5 |
Issue |
1 |
Pages |
27-31 |
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Keywords |
Animals; Discrimination Learning; Facial Expression; Female; Macaca mulatta/physiology/*psychology; Male; Pan troglodytes/physiology/*psychology; Perceptual Masking; Social Perception; Visual Perception/*physiology |
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Abstract |
This study was designed to examine whether chimpanzees and monkeys exhibit a global-to-local precedence in the processing of hierarchically organized compound stimuli, as has been reported for humans. Subjects were tested using a sequential matching-to-sample paradigm using stimuli that differed on the basis of their global configuration or local elements, or on both perceptual attributes. Although both species were able to discriminate stimuli on the basis of their global configuration or local elements, the chimpanzees exhibited a global-to-local processing strategy, whereas the rhesus monkeys exhibited a local-to-global processing strategy. The results suggest that perceptual and attentional mechanisms underlying information-processing strategies may account for differences in learning by primates. |
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Department of Psychology, Berry College, Mount Berry, GA 30149, USA. whopkins@berry.edu |
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English |
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1435-9448 |
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PMID:11957399 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2613 |
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Author |
Houpt, K.A. |
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Title |
Formation and dissolution of the mare-foal bond |
Type |
Journal Article |
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Year |
2002 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
78 |
Issue |
2-4 |
Pages |
319-328 |
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Keywords |
Maternal; Horse; Foal; Separation; Ontogeny |
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Abstract |
The behavior of mares at foaling and their behavior during subsequent weekly brief separations from their foals was quantified. Thirteen multiparous pony mares were observed for the first 30 min after foaling. Activities directed toward the foal and toward the fetal membranes were recorded. There were 16+/-8 contacts with the fetal membranes, most in the first 10 min post-partum. There were 81+/-12 activities directed toward the foal. There was a downward trend in foal contacts over the first 30 min. Eight of the 13 mares were observed for the 30-60 min post-partum during which licking and touching the foal continued. Only one of the foals suckled in the first 30 min, but half had suckled by 60 min. Ten mares and foals were separated for 5 min each week for 9 weeks. Although mare responses (neighs and steps) decreased with age of the foal, the foals' responses increased from weeks 1 to 2 and then decreased with foal age. This indicates that foal attachment to the mare is not complete until it is 2 weeks old. |
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Call Number |
Equine Behaviour @ team @ |
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3624 |
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Author |
Houpt, K.A.; Rudman, R. |
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Title |
Foreword to special issue on equine behavior |
Type |
Journal Article |
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Year |
2002 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
78 |
Issue |
2-4 |
Pages |
83-85 |
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refbase @ user @ |
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1986 |
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Author |
Huebener, E. |
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Title |
Schmeichelnder Sitz, atmender Schenkel, flüsternder Zügel |
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Year |
2002 |
Publication |
Olms Presse, Hildesheim |
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Issue |
2. erweiterte Auflage |
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220 |
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Abstract |
HÜBENER, EBERHARD, Schmeichelnder Sitz, atmender Schenkel,
flüsternder Zügel
Vom feinfühligen, partnerschaftlichen Umgang mit dem Pferd und über Nöte
der bundesdeutschen Reiterei. Mit einem Geleitwort von Dr. Reiner Klimke
2. ergänzte Aufl. Hildesheim 2002. 223 S. mit 63 Abb., davon 3 farbig. Gebunden. Reihe:
(NOVA HIPPOLOGICA.) ISBN: 3-487-08408-2
Dieses Buch beantwortet eine Reihe zentraler Fragen zur Reitlehre und zum
Umgang mit dem Pferd gründlich und leicht verständlich. Es ist daher hilfreich
für alle, die sich am und auf dem Pferd gern helfen lassen. Ob sie nun nur zum
Vergnügen oder mit turniersportlichen Ambitionen reiten. Ob sie lernen oder
lehren.
Der vorliegenden zweiten Auflage ist eine neue Arbeit des Autors beigebunden:
Nachdem eine Video-Analyse seinen “selbsttätigen Schenkel” bestätigt hat, wird
jetzt endlich auch das “Sitz-Rätsel” definitiv gelöst.
Die Video-Technik hat ermöglicht, das Zusammenspiel von Gangart, Bewegungen
von Pferderumpf und -rücken, Sitz des Reiters und Hilfengebung zum Nutzen
des Reiter-Rückgrats, der keineswegs beliebig belastbaren Wirbelsäule des
Pferdes und kultivierten, feinfühligen Reitens zu entschlüsseln.
Reitunterricht kann anders aussehen. Irrwege sind vermeidbar geworden. |
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0948-9708 |
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3-487-08408-2 |
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no |
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Call Number |
Reiten Lesen Denken @ eberhardhuebener @ |
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874 |
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Author |
Huebener, E. |
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Title |
Coaxing seat, breathing leg, whispering reins |
Type |
Book Whole |
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Year |
2002 |
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Issue |
2nd edition |
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220 |
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0948-9708 |
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3-487-08408-2 |
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Reiten Lesen Denken @ eberhardhuebener @ |
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875 |
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Author |
Isenbugel, E. |
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Title |
[From wild horse to riding horse] |
Type |
Journal Article |
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Year |
2002 |
Publication |
Schweizer Archiv fur Tierheilkunde |
Abbreviated Journal |
Schweiz Arch Tierheilkd |
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Volume |
144 |
Issue |
7 |
Pages |
323-329 |
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Keywords |
Animal Husbandry/*history; Animals; Animals, Domestic; Animals, Wild; *Bonding, Human-Pet; Breeding/history; Evolution; Female; History, 15th Century; History, 16th Century; History, 17th Century; History, 18th Century; History, 19th Century; History, 20th Century; History, Ancient; History, Medieval; *Horses/physiology/psychology; Humans; Male; Paintings; Predatory Behavior; Sculpture; Sports/history |
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Over 45 million years of evolution the horse developed to a highly specialized animal in anatomy, physiology and behavior. No other animal had influenced the economic and cultural history of men to such extent. Hunting prey since the ice age, domesticated 4000 B.C. and used for thousands of years as unique animal all over the world has attained a new role today as partner in sport, as companion animal and even as cotherapeutic. The well known behavioral demands in use and keeping are still often not fulfilled. |
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Zoologischer Garten Zurich |
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German |
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Original Title |
Vom Wildpferd zum Reitpferd |
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0036-7281 |
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Notes |
PMID:12174680 |
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no |
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Call Number |
refbase @ user @ |
Serial |
1913 |
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Author |
Jackson, R.R.; Pollard, S.D.; Cerveira, A.M. |
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Title |
Opportunistic use of cognitive smokescreens by araneophagic jumping spiders |
Type |
Journal Article |
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Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
5 |
Issue |
3 |
Pages |
147-157 |
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Keywords |
Animals; *Cognition; Movement; Optics; *Predatory Behavior; *Spiders; Touch; Visual Perception |
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Little is known about how a prey species' cognitive limitations might shape a predator's prey-capture strategy. A specific hypothesis is investigated: predators take advantage of times when the prey's attention is focussed on its own prey. Portia fimbriata, an araneophagic jumping spider (Salticidae) from Queensland, is shown in a series of 11 experiments to exploit opportunistically a situation in which a web-building spider on which it preys, Zosis genicularis (Uloboridae), is preoccupied with wrapping up its own prey. Experimental evidence supports three conclusions: (1). while relying on optical cues alone, P. fimbriata perceives when Z. genicularis is wrapping up prey; (2). when busy wrapping up prey, the responsiveness of Z. genicularis to cues from potential predators is diminished; and (3). P. fimbriata moves primarily during intervals when Z. genicularis is busy wrapping up prey. P. fimbriata's strategy is effective partly because the wrapping behaviour of Z. genicularis masks the web signals generated by the advancing P. fimbriata's footsteps and also because, while wrapping, Z. genicularis' attention is diverted away from predator-revealing cues. |
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Department of Zoology, University of Canterbury, Christchurch, New Zealand |
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1435-9448 |
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Notes |
PMID:12357287 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2598 |
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Author |
Jackson, R.R.; Pollard, S.D.; Li, D.; Fijn, N. |
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Title |
Interpopulation variation in the risk-related decisions of Portia labiata, an araneophagic jumping spider (Araneae, Salticidae), during predatory sequences with spitting spiders |
Type |
Journal Article |
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Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
5 |
Issue |
4 |
Pages |
215-223 |
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Keywords |
Animals; Female; Male; Mental Processes; *Predatory Behavior; Risk Factors; *Spiders |
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Abstract |
The extent to which decision-making processes are constrained in animals with small brains is poorly understood. Arthropods have brains much smaller and simpler than those of birds and mammals. This raises questions concerning limitations on how intricate the decision-making processes might be in arthropods. At Los Banos in the Philippines, Scytodes pallidus is a spitting spider that specialises in preying on jumping spiders, and Portia labiata is a jumping spider that preys on S. pallidus. Scytodid spit comes from the mouth, and egg-carrying females are less dangerous than eggless scytodids because the female uses her chelicerae to hold her eggs. Held eggs block her mouth, and she has to release them before she can spit. The Los Banos P. labiata sometimes adjusts its tactics depending on whether the scytodid encountered is carrying eggs or not. When pursuing eggless scytodids, the Los Banos P. labiata usually takes detour routes that enable it to close in from behind (away from the scytodid's line of fire). However, when pursuing egg-carrying scytodids, the Los Banos P. labiata sometimes takes faster direct routes to reach these safer prey. The Los Banos P. labiata apparently makes risk-related adjustments specific to whether scytodids are carrying eggs, but P. labiata from Sagada in the Philippines (allopatric to Scytodes) fails to make comparable risk-related adjustments. |
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Department of Zoology, University of Canterbury, Private Bag 4800, Christchurch, New Zealand |
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1435-9448 |
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PMID:12461599 |
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Equine Behaviour @ team @ |
Serial |
2591 |
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Author |
Jansen, T.; Forster, P.; Levine, M.A.; Oelke, H.; Hurles, M.; Renfrew, C.; Weber, J.; Olek, K. |
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Title |
Mitochondrial DNA and the origins of the domestic horse |
Type |
Journal Article |
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Year |
2002 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
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Volume |
99 |
Issue |
16 |
Pages |
10905-10910 |
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Keywords |
Animals; Animals, Domestic/classification/*genetics; Base Sequence; DNA, Complementary; *DNA, Mitochondrial; *Evolution, Molecular; Horses/classification/*genetics; Molecular Sequence Data; Phylogeny |
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Abstract |
The place and date of the domestication of the horse has long been a matter for debate among archaeologists. To determine whether horses were domesticated from one or several ancestral horse populations, we sequenced the mitochondrial D-loop for 318 horses from 25 oriental and European breeds, including American mustangs. Adding these sequences to previously published data, the total comes to 652, the largest currently available database. From these sequences, a phylogenetic network was constructed that showed that most of the 93 different mitochondrial (mt)DNA types grouped into 17 distinct phylogenetic clusters. Several of the clusters correspond to breeds and/or geographic areas, notably cluster A2, which is specific to Przewalski's horses, cluster C1, which is distinctive for northern European ponies, and cluster D1, which is well represented in Iberian and northwest African breeds. A consideration of the horse mtDNA mutation rate together with the archaeological timeframe for domestication requires at least 77 successfully breeding mares recruited from the wild. The extensive genetic diversity of these 77 ancestral mares leads us to conclude that several distinct horse populations were involved in the domestication of the horse. |
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Biopsytec Analytik GmbH, Marie-Curie-Strasse 1, 53359 Rheinbach, Germany. jansen@biopsytec.com |
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0027-8424 |
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PMID:12130666 |
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refbase @ user @ |
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772 |
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