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Keay, J.M.; Singh, J.; Gaunt, M.C.; Kaur, T. |
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Title |
Fecal glucocorticoids and their metabolites as indicators of stress in various mammalian species: a literature review |
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Journal Article |
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Year |
2006 |
Publication |
Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians |
Abbreviated Journal |
J Zoo Wildl Med |
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Volume |
37 |
Issue |
3 |
Pages  |
234-244 |
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Animals; *Animals, Wild/metabolism; Chromatography, High Pressure Liquid/methods/veterinary; Circadian Rhythm; Conservation of Natural Resources; *Ecosystem; Feces/*chemistry; Glucocorticoids/*analysis/metabolism; Humans; Seasons; Species Specificity; Specimen Handling/methods/veterinary; Stress, Psychological/*metabolism |
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Conservation medicine is a discipline in which researchers and conservationists study and respond to the dynamic interplay between animals, humans, and the environment. From a wildlife perspective, animal species are encountering stressors from numerous sources. With the rapidly increasing human population, a corresponding increased demand for food, fuel, and shelter; habitat destruction; and increased competition for natural resources, the health and well-being of wild animal populations is increasingly at risk of disease and endangerment. Scientific data are needed to measure the impact that human encroachment is having on wildlife. Nonbiased biometric data provide a means to measure the amount of stress being imposed on animals from humans, the environment, and other animals. The stress response in animals functions via glucocorticoid metabolism and is regulated by the hypothalamic-pituitary-adrenal axis. Fecal glucocorticoids, in particular, may be an extremely useful biometric test, since sample collection is noninvasive to subjects and, therefore, does not introduce other variables that may alter assay results. For this reason, many researchers and conservationists have begun to use fecal glucocorticoids as a means to measure stress in various animal species. This review article summarizes the literature on many studies in which fecal glucocorticoids and their metabolites have been used to assess stress levels in various mammalian species. Variations between studies are the main focus of this review. Collection methods, storage conditions, shipping procedures, and laboratory techniques utilized by different researchers are discussed. |
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Department of Biomedical Sciences and Pathobiology, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Tech, 0442 Duck Pond Drive, Blacksburg, Virginia 24061, USA |
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1042-7260 |
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PMID:17319120 |
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refbase @ user @ |
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616 |
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Author |
Xitco, M.J.J.; Gory, J.D.; Kuczaj, S.A. 2nd |
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Title |
Dolphin pointing is linked to the attentional behavior of a receiver |
Type |
Journal Article |
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Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
7 |
Issue |
4 |
Pages |
231-238 |
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*Animal Communication; Animals; *Association Learning; *Attention; Dolphins/*psychology; *Gestures; Humans; Imitative Behavior; Male; Orientation; Posture; Species Specificity |
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In 2001, Xitco et al. (Anim Cogn 4:115-123) described spontaneous behaviors in two bottlenose dolphins (Tursiops truncatus) that resembled pointing and gaze alternation. The dolphins' spontaneous behavior was influenced by the presence of a potential receiver, and the distance between the dolphin and the receiver. The present study adapted the technique of Call and Tomasello [(1994) J Comp Psychol 108:307-317], used with orangutans to test the effect of the receiver's orientation on pointing in these same dolphins. The dolphins directed more points and monitoring behavior at receivers whose orientation was consistent with attending to the dolphins. The results demonstrated that the dolphins' pointing and monitoring behavior, like that of apes and infants, was linked to the attentional behavior of the receiver. |
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Space and Naval Warfare Systems Center, Code 235, 53560 Hull Street, CA 92152-5001, San Diego, USA. mark.xitco@navy.mil |
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1435-9448 |
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PMID:15088149 |
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Equine Behaviour @ team @ |
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2526 |
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Author |
de Waal, F.B. |
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Title |
The organization of agonistic relations within two captive groups of Java-monkeys (Macaca fascicularis) |
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Journal Article |
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Year |
1977 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
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Volume |
44 |
Issue |
3 |
Pages |
225-282 |
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Keywords |
Age Factors; Aggression; Animals; Behavior, Animal/*physiology; Competitive Behavior/*physiology; Fear; Female; Haplorhini; Humans; Macaca/*physiology; Macaca fascicularis/*physiology; Male; Sex Factors; Social Behavior; Social Dominance |
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The paper offers a detailed quantitative descripition of the distribution of agonistic activities over the members of two groups of Java-monkeys (Macaca fascicularis). These groups lived in captivity and were well-established: i.e. they had an extensive network of genealogical relationships. The study pays special attention to agonistic interactions with three or more participants. Its main purpose is an analysis of the way dyadic agonistic relations (e.g. dominance relations) are affected by third group members and the relations among these. The paper presents data on the ontogeny of 'dependent dominance', the 'control role' of the alpha-male, and the functions of different types of alliances. |
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0044-3573 |
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PMID:412345 |
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Call Number |
refbase @ user @ |
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213 |
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Author |
Hayashi, M.; Matsuzawa, T. |
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Title |
Cognitive development in object manipulation by infant chimpanzees |
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Journal Article |
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Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
6 |
Issue |
4 |
Pages |
225-233 |
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Keywords |
Age Factors; Animals; Child Development/physiology; Child, Preschool; Cognition/*physiology; Female; Growth; Humans; Imitative Behavior/physiology; Infant; Learning/*physiology; Male; Mothers/*psychology; Motor Skills/*physiology; Pan troglodytes/*growth & development/*psychology; Psychomotor Performance/*physiology; Species Specificity |
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This study focuses on the development of spontaneous object manipulation in three infant chimpanzees during their first 2 years of life. The three infants were raised by their biological mothers who lived among a group of chimpanzees. A human tester conducted a series of cognitive tests in a triadic situation where mothers collaborated with the researcher during the testing of the infants. Four tasks were presented, taken from normative studies of cognitive development of Japanese infants: inserting objects into corresponding holes in a box, seriating nesting cups, inserting variously shaped objects into corresponding holes in a template, and stacking up wooden blocks. The mothers had already acquired skills to perform these manipulation tasks. The infants were free to observe the mothers' manipulative behavior from immediately after birth. We focused on object-object combinations that were made spontaneously by the infant chimpanzees, without providing food reinforcement for any specific behavior that the infants performed. The three main findings can be summarized as follows. First, there was precocious appearance of object-object combination in infant chimpanzees: the age of onset (8-11 months) was comparable to that in humans (around 10 months old). Second, object-object combinations in chimpanzees remained at a low frequency between 11 and 16 months, then increased dramatically at the age of approximately 1.5 years. At the same time, the accuracy of these object-object combinations also increased. Third, chimpanzee infants showed inserting behavior frequently and from an early age but they did not exhibit stacking behavior during their first 2 years of life, in clear contrast to human data. |
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Section of Language and Intelligence, Primate Research Institute, Kyoto University, 41 Kanrin, Inuyama, 484-8506 Aichi, Japan. misato@pri.kyoto-u.ac.jp |
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1435-9448 |
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PMID:12905079 |
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no |
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Equine Behaviour @ team @ |
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2559 |
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Author |
Scheumann, M.; Call, J. |
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Title |
The use of experimenter-given cues by South African fur seals (Arctocephalus pusillus) |
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Journal Article |
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Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
7 |
Issue |
4 |
Pages |
224-230 |
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Keywords |
Animal Communication; Animals; *Association Learning; *Cues; Female; Fur Seals/*psychology; *Gestures; Humans; *Imitative Behavior; Nonverbal Communication; Social Behavior; Species Specificity |
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Dogs can use a variety of experimenter-given cues such as pointing, head direction, and eye direction to locate food hidden under one of several containers. Some authors have proposed that this is a result of the domestication process. In this study we tested four captive fur seals in a two alternative object choice task in which subjects had to use one of the following experimenter-given cues to locate the food: (1) the experimenter pointed and gazed at one of the objects, (2) the experimenter pointed at only one of the objects, (3) the experimenter gazed at only one of the objects, (4) the experimenter glanced at only one of the objects, (5) the experimenter pointed and gazed at one of the objects but was sitting closer to one object than to the other, (6) the experimenter pointed only with the index finger at one of the objects, (7) the experimenter presented a replica of one of the objects. The fur seals were able to use cues which involved a fully exposed arm or a head direction, but failed to use glance only, the index finger pointing and the object replica cues. The results showed that a domestication process was not necessary to develop receptive skills to cues given by an experimenter. Instead, we hypothesize that close interactions with humans prior to testing enabled fur seals to uses ome gestural cues without formal training. We also analyzed the behavior of the seals depending on the level of difficulty of the task. Behavioral signs of hesitation increased with task difficulty. This suggests that the fur seals were sensitive to task difficulty. |
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Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany. Marina.Scheumann@tiho-hannover.de |
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1435-9448 |
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PMID:15057598 |
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Equine Behaviour @ team @ |
Serial |
2536 |
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Author |
Bennett, A.T. |
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Title |
Do animals have cognitive maps? |
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Journal Article |
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Year |
1996 |
Publication |
The Journal of Experimental Biology |
Abbreviated Journal |
J Exp Biol |
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199 |
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Pt 1 |
Pages |
219-224 |
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Animals; Cognition/*physiology; Humans; Space Perception/*physiology; Visual Pathways |
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Drawing on studies of humans, rodents, birds and arthropods, I show that 'cognitive maps' have been used to describe a wide variety of spatial concepts. There are, however, two main definitions. One, sensu Tolman, O'Keefe and Nadel, is that a cognitive map is a powerful memory of landmarks which allows novel short-cutting to occur. The other, sensu Gallistel, is that a cognitive map is any representation of space held by an animal. Other definitions with quite different meanings are also summarised. I argue that no animal has been conclusively shown to have a cognitive map, sensu Tolman, O'Keefe and Nadel, because simpler explanations of the crucial novel short-cutting results are invariably possible. Owing to the repeated inability of experimenters to eliminate these simpler explanations over at least 15 years, and the confusion caused by the numerous contradictory definitions of a cognitive map, I argue that the cognitive map is no longer a useful hypothesis for elucidating the spatial behaviour of animals and that use of the term should be avoided. |
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Department of Pure Mathematics, University of Adelaide, Australia |
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0022-0949 |
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PMID:8576693 |
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Equine Behaviour @ team @ |
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2756 |
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Author |
Kaminski, J.; Call, J.; Tomasello, M. |
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Title |
Body orientation and face orientation: two factors controlling apes' behavior from humans |
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Journal Article |
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Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
7 |
Issue |
4 |
Pages |
216-223 |
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Keywords |
Animals; *Attention; *Behavior, Animal; Cognition; *Concept Formation; Face; Facial Expression; Female; Fixation, Ocular; Hominidae/*psychology; Humans; Male; *Nonverbal Communication; *Orientation; Pan paniscus/psychology; Pan troglodytes/psychology; Pongo pygmaeus/psychology; *Posture; Social Perception; Species Specificity |
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A number of animal species have evolved the cognitive ability to detect when they are being watched by other individuals. Precisely what kind of information they use to make this determination is unknown. There is particular controversy in the case of the great apes because different studies report conflicting results. In experiment 1, we presented chimpanzees, orangutans, and bonobos with a situation in which they had to request food from a human observer who was in one of various attentional states. She either stared at the ape, faced the ape with her eyes closed, sat with her back towards the ape, or left the room. In experiment 2, we systematically crossed the observer's body and face orientation so that the observer could have her body and/or face oriented either towards or away from the subject. Results indicated that apes produced more behaviors when they were being watched. They did this not only on the basis of whether they could see the experimenter as a whole, but they were sensitive to her body and face orientation separately. These results suggest that body and face orientation encode two different types of information. Whereas face orientation encodes the observer's perceptual access, body orientation encodes the observer's disposition to transfer food. In contrast to the results on body and face orientation, only two of the tested subjects responded to the state of the observer's eyes. |
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Max Planck Institute for Evolutionary Anthropology, Deutscher Plaz 6, 04103 Leipzig, Germany. kaminski@eva.mpg.de |
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1435-9448 |
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PMID:15034765 |
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Equine Behaviour @ team @ |
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2538 |
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Author |
Tomasello, M.; Call, J. |
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Title |
The role of humans in the cognitive development of apes revisited |
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Journal Article |
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2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
7 |
Issue |
4 |
Pages |
213-215 |
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Animals; *Behavior, Animal; *Cognition; Culture; Hominidae/*psychology; Humans; *Imitative Behavior; Imprinting (Psychology); *Intention; Social Behavior; *Social Environment; Species Specificity |
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Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany. tomas@eva.mpg.de |
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1435-9448 |
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PMID:15278733 |
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Equine Behaviour @ team @ |
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2517 |
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Author |
Weiss, A.; King, J.E.; Figueredo, A.J. |
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The heritability of personality factors in chimpanzees (Pan troglodytes) |
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Journal Article |
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Year |
2000 |
Publication |
Behavior Genetics |
Abbreviated Journal |
Behav Genet |
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30 |
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3 |
Pages |
213-221 |
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Animals; Female; Humans; Male; Models, Genetic; Pan troglodytes/*genetics; Personality/*genetics; Social Environment |
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Human personality and behavior genetic studies have resulted in a growing consensus that five heritable factors account for most variance in human personality. Prior research showed that chimpanzee personality is composed of a dominance-related factor and five human-like factors--Surgency, Dependability, Emotional Stability, Agreeableness, and Openness. Genetic, shared zoo, and nonshared environmental variance components of the six factors were estimated by regressing squared phenotypic differences of all possible pairs of chimpanzees onto 1 – Rij, where Rij equals the degree of relationship and a variable indicating whether the pair was housed in the same zoo. Dominance showed significant narrow-sense heritability. Shared zoo effects accounted for only a negligible proportion of the variance for all factors. |
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Department of Psychology, University of Arizona, Tucson 85721, USA. aweiss@u.arizona.edu |
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0001-8244 |
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PMID:11105395 |
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Equine Behaviour @ team @ |
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4143 |
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Gallistel, C.R.; Cramer, A.E. |
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Computations on metric maps in mammals: getting oriented and choosing a multi-destination route |
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Journal Article |
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Year |
1996 |
Publication |
The Journal of Experimental Biology |
Abbreviated Journal |
J Exp Biol |
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Volume |
199 |
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Pt 1 |
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211-217 |
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Animals; Brain/physiology; Cercopithecus aethiops; Cognition/*physiology; Humans; Mammals/*physiology; Movement; Orientation/*physiology; Rats; Space Perception; Visual Pathways/*physiology |
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The capacity to construct a cognitive map is hypothesized to rest on two foundations: (1) dead reckoning (path integration); (2) the perception of the direction and distance of terrain features relative to the animal. A map may be constructed by combining these two sources of positional information, with the result that the positions of all terrain features are represented in the coordinate framework used for dead reckoning. When animals need to become reoriented in a mapped space, results from rats and human toddlers indicate that they focus exclusively on the shape of the perceived environment, ignoring non-geometric features such as surface colors. As a result, in a rectangular space, they are misoriented half the time even when the two ends of the space differ strikingly in their appearance. In searching for a hidden object after becoming reoriented, both kinds of subjects search on the basis of the object's mapped position in the space rather than on the basis of its relationship to a goal sign (e.g. a distinctive container or nearby marker), even though they have demonstrably noted the relationship between the goal and the goal sign. When choosing a multidestination foraging route, vervet monkeys look at least three destinations ahead, even though they are only capable of keeping a maximum of six destinations in mind at once. |
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Department of Psychology, University of California, Los Angeles 90095, USA |
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0022-0949 |
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PMID:8576692 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2757 |
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