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| Author | Call, J.; Tomasello, M. | ||||
| Title | Use of social information in the problem solving of orangutans (<em>Pongo pygmaeus</em>) and human children (<em>Homo sapiens</em>) | Type | Journal Article | ||
| Year | 1995 | Publication | Journal of Comparative Psychology | Abbreviated Journal | J. Comp. Psychol. |
| Volume | 109 | Issue | 3 | Pages | 308-320 |
| Keywords | cross species imitative learning in problem solving, human 3–4 yr olds vs orangutans | ||||
| Abstract | Fourteen juvenile and adult orangutans and 24 3- and 4-yr-old children participated in 4 studies on imitative learning in a problem-solving situation. In all studies a simple to operate apparatus was used, but its internal mechanism was hidden from subjects to prevent individual learning. In the 1st study, orangutans observed a human demonstrator perform 1 of 4 actions on the apparatus and obtain a reward; they subsequently showed no signs of imitative learning. Similar results were obtained in a 2nd study in which orangutan demonstrators were used. Similar results were also obtained in a 3rd study in which a human encouraged imitation from an orangutan that had previously been taught to mimic arbitrary human actions. In a 4th study, human 3- and 4-yr-old children learned the task by means of imitation. (PsycINFO Database Record (c) 2010 APA, all rights reserved) | ||||
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| Publisher | US: American Psychological Association | Place of Publication | Editor | ||
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| ISSN | 1939-2087 (Electronic); 0735-7036 (Print) | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | yes | |||
| Call Number | Equine Behaviour @ team @ 1995-42883-001 | Serial | 5448 | ||
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| Author | Russon, A.E.; Galdikas, B.M.F. | ||||
| Title | Constraints on great apes' imitation: Model and action selectivity in rehabilitant orangutan (Pongo pygmaeus) imitation | Type | Journal Article | ||
| Year | 1995 | Publication | Journal of Comparative Psychology | Abbreviated Journal | J. Comp. Psychol. |
| Volume | 109 | Issue | 1 | Pages | 5-17 |
| Keywords | *Imitation (Learning); Primates (Nonhuman) | ||||
| Abstract | We discuss selectivity in great ape imitation, on the basis of an observational study of spontaneous imitation in free-ranging rehabilitant orangutans (Pongo pygmaeus). Research on great ape imitation has neglected selectivity, although comparative evidence suggests it may be important. We observed orangutans in central Indonesian Borneo and assessed patterns in the models and actions they spontaneously imitated. The patterns we found resembled those reported in humans. Orangutans preferred models with whom they had positive affective relationships (e.g., important caregiver or older sibling) and actions that reflected their current competence, were receptively familiar, and were relevant to tasks that faced them. Both developmental and individual variability were found. We discuss the probable functions of imitation for great apes and the role of selectivity in directing it. We also make suggestions for more effective elicitation of imitation. (PsycINFO Database Record (c) 2012 APA, all rights reserved) | ||||
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| Publisher | American Psychological Association | Place of Publication | Us | Editor | |
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| ISSN | 1939-2087(Electronic);0735-7036(Print) | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ 1995-20268-001 | Serial | 5690 | ||
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| Author | Laughlin N.K.; Lasky R.E.; Luck M.L.; Kluender K.R.; Hecox K.E. | ||||
| Title | Early lead exposure alters behavioral and electrophysiological indices of auditory processing in the rhesus monkey | Type | Journal Article | ||
| Year | 1995 | Publication | Neurotoxicology and Teratology | Abbreviated Journal | |
| Volume | 17 | Issue | Pages | 374-374 | |
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 3456 | ||
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| Author | Beer C.G. | ||||
| Title | Trial and error in the evolution of cognition | Type | Journal Article | ||
| Year | 1995 | Publication | Behavioural Processes | Abbreviated Journal | Behav. Process. |
| Volume | 35 | Issue | Pages | 215-224 | |
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 3455 | ||
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| Author | Gärdenfors P. | ||||
| Title | Cued and detached representations in animal cognition | Type | Journal Article | ||
| Year | 1995 | Publication | Behavioural Processes | Abbreviated Journal | Behav. Process. |
| Volume | 35 | Issue | Pages | 263-273 | |
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 3454 | ||
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| Author | i Rios, J.F.; Houpt, K. | ||||
| Title | Sexual behavior in geldings | Type | Journal Article | ||
| Year | 1995 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
| Volume | 46 | Issue | 1-2 | Pages | 133-135 |
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| Abstract | Abstract In response to a request published in Equus, a magazine for those interested in horses, 85 owners of older geldings exhibiting sexual behavior completed history forms. The mean age of geldings was 16 f 5 years. Only 39 of the owners had had the gelding for at least a year before the behavior was noted. These cases could be used to determine the true age of onset of the problem. When log survivorship was used to determine whether there were one or two different populations, a break or change in the slope at age 16 indicated that there are two populations. One population shows the behavior from the time of castration and the other first exhibits the behavior in old age, possibly in response to an ACTH secreting pituitary adenoma. A total of 40% of the horses were Quarterhorses, the most numerous breed in the US; 78% of the horses were purebreds. Fewer than half the owners knew the age at which their horse had been castrated because they did not own the horse at the time. The mean age at castration, when known, was 3.3 f 2.5 years. The reason for contacting us was sexual behavior (70%), aggression (24%). or some other problem ( 1 o/o). Whether or not aggression was the presenting problem, most of the horses showed aggression (95%), particularly towards other geldings (88%)) but also towards people (3 1%). Copulatory behavior (mounting) was shown by 69% of the geldings and half of those were able to intromit. These findings indicate that the sexual behavior of geldings is a problem for owners and that aggression usually accompanies sexual behavior. The owners were encouraged to send serum samples taken before and after human chorionic gonadotropin (HCG) administration for testosterone and estrone sulfate analysis to determine whether residual testicular tissue was responsible for the horse’s behavior. Of the 14 horses tested, only one had elevated levels of testosterone indicating that there was residual testicular tissue. A total of six of the owners agreed to treat their horses with cyproheptadine at a dose of 8 mg day- ’ gradually increased to 88 mg day- ’ per horse. A total of three of the horses showed a decline in sexual and aggressive behavior, one got worse and two had side effects and treatment was withdrawn. |
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| Notes | Approved | yes | |||
| Call Number | Equine Behaviour @ team @ | Serial | 3627 | ||
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| Author | Anderson B. | ||||
| Title | Dendrites and cognition: A negative pilot study in the rat | Type | Journal Article | ||
| Year | 1995 | Publication | Intelligence | Abbreviated Journal | |
| Volume | 20 | Issue | Pages | 291-308 | |
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 3453 | ||
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| Author | Kasuya,Eiiti | ||||
| Title | A randomization test for linearity of dominance hierarchies | Type | Journal Article | ||
| Year | 1995 | Publication | Journal of Ethology | Abbreviated Journal | J. Ethol. |
| Volume | 13 | Issue | 1 | Pages | 137-140 |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4288 | ||
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| Author | PITRA, C.H.; STREICH, W.J.; REINSCH, A.; FICKEL, J. | ||||
| Title | Die Population des Somali-Wildesels (Equus africanus somalicus Sclater) in menschlicher Obhut: Demographische und genetische Aspekte | Type | Journal Article | ||
| Year | 1995 | Publication | Zoologische Garten | Abbreviated Journal | Zool. Garten. |
| Volume | N.F. 65 | Issue | 4 | Pages | 245-257 |
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| Notes | Approved | no | |||
| Call Number | Serial | 1472 | |||
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| Author | Maddock, L. | ||||
| Title | The “migration” and grazing succession | Type | Book Chapter | ||
| Year | 1995 | Publication | Serengeti: Dynamics of an Ecosystem | Abbreviated Journal | |
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| Abstract | Editorial Reviews Book Description Originally published in 1979, Serengeti: Dynamics of an Ecosystem was immediately recognized as the first synthesis of the patterns and processes of a major ecosystem. A prototype for initial studies, Serengeti contains baseline data for further and comparative studies of ecosystems. The new Serengeti II builds on the information presented originally in Serengeti; both books together offer essential information and insights for ecology and conservation biology. |
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| Publisher | University Of Chicago Press | Place of Publication | Chicago | Editor | Sinclair, A.R.E. ; Norton-Griffiths, A.R.E. |
| Language | Summary Language | Original Title | Serengeti: Dynamics of an Ecosystem | ||
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| ISSN | ISBN | 978-0226760292 | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 2343 | ||
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