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| Author | Clayton NS; Dickinson A | ||||
| Title | Rational rats | Type | Journal Article | ||
| Year | 2006 | Publication | Science | Abbreviated Journal | Science |
| Volume | 9 | Issue | Pages | 472 | |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 3061 | ||
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| Author | Kerr, R.A. | ||||
| Title | PALEOCLIMATOLOGY. Atlantic mud shows how melting ice triggered an ancient chill | Type | Journal Article | ||
| Year | 2006 | Publication | Science (New York, N.Y.) | Abbreviated Journal | Science |
| Volume | 312 | Issue | 5782 | Pages | 1860 |
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 1095-9203 | ISBN | Medium | ||
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| Notes | PMID:16809498 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 283 | ||
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| Author | Singh,M.; Singh,M.; Sharma, A. K.; Krishna B. A. | ||||
| Title | Methodological considerations in measurement of dominance in primates | Type | Journal Article | ||
| Year | 2003 | Publication | CURRENT SCIENCE | Abbreviated Journal | CURRENT SCIENCE |
| Volume | 84 | Issue | 5 | Pages | 709-713 |
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| Abstract | The strength of dominance hierarchy in a group of animals needs to be quantitatively measured since it influences many other aspects of social interactions. This article discusses three attempts made by previous researchers to measure the strength of hierarchy. We propose a method which attempts to rectify the lacunae in the previous attempts. Data are used from a group of Japanese macaques housed in a colony. A method to calculate strength of hierarchy has been illustrated and a procedure has been suggested to normalize the dominance scores in order to place the ranks of individuals on an interval scale. |
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| Publisher | Biopsychology Laboratory, Department of Psychology, University of Mysore, Mysore 570 006, India | Place of Publication | Editor | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 2860 | ||
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| Author | Emery, N.J.; Clayton, N.S. | ||||
| Title | The Mentality of Crows: Convergent Evolution of Intelligence in Corvids and Apes | Type | Journal Article | ||
| Year | 2004 | Publication | Science | Abbreviated Journal | Science |
| Volume | 306 | Issue | 5703 | Pages | 1903-1907 |
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| Abstract | Discussions of the evolution of intelligence have focused on monkeys and apes because of their close evolutionary relationship to humans. Other large-brained social animals, such as corvids, also understand their physical and social worlds. Here we review recent studies of tool manufacture, mental time travel, and social cognition in corvids, and suggest that complex cognition depends on a “tool kit” consisting of causal reasoning, flexibility, imagination, and prospection. Because corvids and apes share these cognitive tools, we argue that complex cognitive abilities evolved multiple times in distantly related species with vastly different brain structures in order to solve similar socioecological problems. | ||||
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| Notes | 10.1126/science.1098410 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2959 | ||
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| Author | Jolly, A. | ||||
| Title | Lemur social behavior and primate intelligence | Type | Journal Article | ||
| Year | 1966 | Publication | Science | Abbreviated Journal | Science |
| Volume | 153 | Issue | 3735 | Pages | 501 - 506 |
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| Abstract | Our human intellect has resulted from an enormous leap in capacity above the level of monkeys and apes. Earlier, though, Old and New World monkeys' intelligence outdistanced that of other mammals, including the prosimian primates. This first great advance in intelligence probably was selected through interspecific competition on the large continents. However, even at this early stage, primate social life provided the evolutionary context of primate intelligence. Two arguments support this conclusion. One is ontogenetic: modern monkeys learn so much of their social behavior, and learn their behavior toward food and toward other species through social example. The second is phylogenetic: some prosimians, the social lemurs, have evolved the usual primate type of society and social learning without the capacity to manipulate objects as monkeys do. It thus seems likely that the rudiments of primate society preceded the growth of primate intelligence, made it possible, and determined its nature. |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 3010 | ||
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| Author | Peham, C.; Licka, T.; Schobesberger, H.; Meschan, E. | ||||
| Title | Influence of the rider on the variability of the equine gait | Type | Journal Article | ||
| Year | 2004 | Publication | Human Movement Science | Abbreviated Journal | European Workshop on Movement Science |
| Volume | 23 | Issue | 5 | Pages | 663-671 |
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| Abstract | The aim of this study was to show that the motion pattern of a well-ridden horse varies less than the motion pattern of an unridden horse. In order to do so, we recorded the motion of two markers, one attached to the dorsal spinous processus of lumbar vertebra L4, the other to the right fore hoof. In total, we measured 21 horses in trot, ridden and unridden, with a fitting and with a non-fitting saddle. After breaking down the entire time series of the three-dimensional motion of the markers into their respective motion cycles, we computed a measure of motion pattern variability for the motion as well as for the derivatives (velocity and acceleration) along each of the three principal dimensions. Two of six variables (velocity and acceleration in the forward direction) displayed a significant discrimination between the ridden and the unridden case, and demonstrated the beneficial effect of a rider on the horse's motion pattern variability. Saddle fit was shown to have also an influence on motion variability: variability of two variables (velocity and of acceleration in forward direction) was significantly lower with a fitting saddle compared to a non-fitting saddle, a third variable (acceleration in the transversal direction) showed a significant difference also. This new method offers an objective evaluation of saddle fit, and a sensitive assessment of the quality of the rider in the moving horse. | ||||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 3670 | ||
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| Author | Silk, J.B. | ||||
| Title | Social Components of Fitness in Primate Groups | Type | Journal Article | ||
| Year | 2007 | Publication | Science | Abbreviated Journal | Science |
| Volume | 317 | Issue | 5843 | Pages | 1347-1351 |
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| Abstract | There is much interest in the evolutionary forces that favored the evolution of large brains in the primate order. The social brain hypothesis posits that selection has favored larger brains and more complex cognitive capacities as a means to cope with the challenges of social life. The hypothesis is supported by evidence that shows that group size is linked to various measures of brain size. But it has not been clear how cognitive complexity confers fitness advantages on individuals. Research in the field and laboratory shows that sophisticated social cognition underlies social behavior in primate groups. Moreover, a growing body of evidence suggests that the quality of social relationships has measurable fitness consequences for individuals. | ||||
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| Notes | 10.1126/science.1140734 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 4239 | ||
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| Author | Pennisi, E. | ||||
| Title | PSYCHOLOGY: Nonhuman Primates Demonstrate Humanlike Reasoning | Type | Journal Article | ||
| Year | 2007 | Publication | Science | Abbreviated Journal | Science |
| Volume | 317 | Issue | 5843 | Pages | 1308- |
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| Call Number | Equine Behaviour @ team @ | Serial | 4240 | ||
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| Author | Wood, J.N.; Glynn, D.D.; Phillips, B.C.; Hauser, M.D. | ||||
| Title | The Perception of Rational, Goal-Directed Action in Nonhuman Primates | Type | Journal Article | ||
| Year | 2007 | Publication | Science | Abbreviated Journal | Science |
| Volume | 317 | Issue | 5843 | Pages | 1402-1405 |
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| Abstract | Humans are capable of making inferences about other individuals' intentions and goals by evaluating their actions in relation to the constraints imposed by the environment. This capacity enables humans to go beyond the surface appearance of behavior to draw inferences about an individual's mental states. Presently unclear is whether this capacity is uniquely human or is shared with other animals. We show that cotton-top tamarins, rhesus macaques, and chimpanzees all make spontaneous inferences about a human experimenter's goal by attending to the environmental constraints that guide rational action. These findings rule out simple associative accounts of action perception and show that our capacity to infer rational, goal-directed action likely arose at least as far back as the New World monkeys, some 40 million years ago. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 4241 | ||
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| Author | Wood, J.N.; Glynn, D.D.; Phillips, B.C.; Hauser, M.D. | ||||
| Title | online material | Type | Miscellaneous | ||
| Year | 2007 | Publication | Science | Abbreviated Journal | Science |
| Volume | 317 | Issue | 5843 | Pages | 1402-1405 |
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| Abstract | Humans are capable of making inferences about other individuals' intentions and goals by evaluating their actions in relation to the constraints imposed by the environment. This capacity enables humans to go beyond the surface appearance of behavior to draw inferences about an individual's mental states. Presently unclear is whether this capacity is uniquely human or is shared with other animals. We show that cotton-top tamarins, rhesus macaques, and chimpanzees all make spontaneous inferences about a human experimenter's goal by attending to the environmental constraints that guide rational action. These findings rule out simple associative accounts of action perception and show that our capacity to infer rational, goal-directed action likely arose at least as far back as the New World monkeys, some 40 million years ago. | ||||
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| Notes | 10.1126/science.1144663 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 4242 | ||
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