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Bates, L.A.; Lee, P.C.; Njiraini, N.; Poole, J.H.; Sayialel, K.; Sayialel, S.; Moss, C.J.; Byrne, R. | ||||
| Title | Do Elephants Show Empathy? | Type | Journal Article | ||
| Year | 2008 | Publication | Journal of Consciousness Studies | Abbreviated Journal | J Conscious Stud |
| Volume | 15 | Issue | 10-11 | Pages | 204-225 |
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| Abstract | Elephants show a rich social organization and display a number of unusual traits. In this paper, we analyse reports collected over a thirty-five year period, describing behaviour that has the potential to reveal signs of empathic understanding. These include coalition formation, the offering of protection and comfort to others, retrieving and 'babysitting' calves, aiding individuals that would otherwise have difficulty in moving, and removing foreign objects attached to others. These records demonstrate that an elephant is capable of diagnosing animacy and goal directedness, and is able to understand the physical competence, emotional state and intentions of others, when they differ from its own. We argue that an empathic understanding of others is the simplest explanation of these abilities, and discuss reasons why elephants appear to show empathy more than other non-primate species. | ||||
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| Notes | Approved | yes | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5057 | ||
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| Author |
Deutsch, J.; Lee, P. | ||||
| Title | Dominance and feeding competition in captive rhesus monkeys | Type | Journal Article | ||
| Year | 1991 | Publication | International Journal of Primatology | Abbreviated Journal | Int. J. Primatol. |
| Volume | 12 | Issue | 6 | Pages | 615-628 |
| Keywords | female dominance – feeding competition – nutrition – stress | ||||
| Abstract | The feeding behavior of 16 adult female rhesus monkeys living in three captive social groups was observed. Estimates of relative food intake, feeding rate, and location of feeding in relation to food sources were compared between females of different dominance ranks. Higher-ranking females had greater access to feeding sites and were supplanted or threatened less frequently while feeding than subordinates. However, no consistent differences in estimates of total intake were found between females of high and females of low rank. The effects of dominance on feeding behavior were most pronounced in the group receiving the least food relative to estimates of overall group nutritional requirements. Higher-ranking females, both over the long term and during the study period, tended to produce more surviving offspring. The effects of dominance on reproductive performance appeared to be less related to food intake than to competitive and aggressive interactions, potentially resulting in higher levels of stress for subordinates. | ||||
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 813 | ||
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| Author |
Lee, P. | ||||
| Title | Adaptation to environmental change:an evolutionary perspective | Type | Book Chapter | ||
| Year | 1991 | Publication | Primate responses to environmental changes | Abbreviated Journal | |
| Volume | Issue | Pages | 39-56 | ||
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| Publisher | Chapmann & Hall | Place of Publication | London | Editor | H. O. Box |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6523 | ||
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| Author |
Lee, P.C. | ||||
| Title | Innovation as a behavioural response to environmental challenges | Type | Book Chapter | ||
| Year | 2003 | Publication | Animal Innovation | Abbreviated Journal | |
| Volume | Issue | Pages | 261-279 | ||
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| Publisher | Oxford University Press | Place of Publication | Oxford | Editor | S. M. Reader and K. N. Laland |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6534 | ||
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| Author |
Lee, P.C.; de Antonio, C. A. | ||||
| Title | Necessity, unpredictability and opportunity: An exploration of ecological and social drivers of behavioral innovation. | Type | Journal Article | ||
| Year | 2015 | Publication | Animal Creativity and Innovation | Abbreviated Journal | |
| Volume | Issue | Pages | 317- 333 | ||
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| Publisher | Elsevier | Place of Publication | Cambridge | Editor | |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6535 | ||
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| Author |
Morton, F.B.; Lee, P.C.; Buchanan-Smith, H.M. | ||||
| Title | Taking personality selection bias seriously in animal cognition research: a case study in capuchin monkeys (Sapajus apella) | Type | Journal Article | ||
| Year | 2013 | Publication | Abbreviated Journal | Animal Cognition | |
| Volume | 16 | Issue | 4 | Pages | 677-684 |
| Keywords | Platyrrhines; Temperament; Cognitive experiment; Selection bias; Associative learning; Training | ||||
| Abstract | In most experimental work on animal cognition, researchers attempt to control for multiple interacting variables by training subjects prior to testing, allowing subjects to participate voluntarily, and providing subjects with food rewards. However, do such methods encourage selection bias from subjects’ personalities? In this study, we trained eighteen zoo-housed capuchin monkeys (Sapajus apella) for two experiments, under conditions of positive reinforcement (i.e. food rewards) and free-choice participation. Using a combination of behavioral and rater-based methods, we identified and validated five personality dimensions in these capuchins (Assertiveness, Openness, Neuroticism, Sociability, and Attentiveness). Scores on Openness were positively related to individual differences in monkey task participation, reflecting previous work showing that such individuals are often more active, curious, and willing to engage in testing. We also found a negative relationship between scores on Assertiveness and performance on tasks, which may reflect the trade-offs between speed and accuracy in these animals’ decision-making. Highly Assertive individuals (the most sociable within monkey groups) may also prioritize social interactions over engaging in research. Lastly, monkeys that consistently participated and performed well on both tasks showed significantly higher Openness and lower Assertiveness compared to others, mirroring relationships found between personality, participation, and performance among all participants. Participation and performance during training was clearly biased toward individuals with particular personalities (i.e. high Openness, low Assertiveness). Results are discussed in light of the need for careful interpretation of comparative data on animal cognition and the need for researchers to take personality selection bias more seriously. Animal Cognition Animal Cognition Look Inside |
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| Publisher | Springer-Verlag | Place of Publication | Editor | ||
| Language | English | Summary Language | Original Title | ||
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| ISSN | 1435-9448 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5696 | ||
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| Author |
Newton-Fisher, N.E.; Lee, P.C. | ||||
| Title | Grooming reciprocity in wild male chimpanzees | Type | Journal Article | ||
| Year | 2011 | Publication | Animal Behaviour. | Abbreviated Journal | Anim. Behav. |
| Volume | 81 | Issue | 2 | Pages | 439-446 |
| Keywords | altruism; biological market theory; Budongo; chimpanzee; grooming; Pan troglodytes | ||||
| Abstract | Understanding cooperation between unrelated individuals remains a central problem in animal behaviour; evolutionary mechanisms are debated, and the importance of reciprocity has been questioned. Biological market theory makes specific predictions about the occurrence of reciprocity in social groups; applied to the social grooming of mammals, it predicts reciprocity in the absence of other benefits for which grooming can be exchanged. Considerable effort has been made to test this grooming trade model in nonhuman primates; such studies show mixed results, but may be confounded by kin effects. We examined patterns of reciprocity within and across bouts, and tested predictions of the grooming trade model, among wild male chimpanzees, Pan troglodytes: a system with negligible kin effects. In accord with the model's expectations, we found that some grooming was directed by lower- to higher-ranked individuals, and that, on average, higher-ranked individuals groomed more reciprocally. We found no support, however, for a prediction that more reciprocity should occur between individuals close in rank. For most dyads, reciprocity of effort occurred through unbalanced participation in grooming bouts, but reciprocity varied considerably between dyads and only a small proportion showed strongly reciprocal grooming. Despite this, each male had at least one reciprocal grooming relationship. In bouts where both individuals groomed, effort was matched through mutual grooming, not alternating roles. Our results provide mixed support for the current grooming trade, biological market model, and suggest that it needs to incorporate risks of currency inflation and cheating for species where reciprocity can be achieved through repeated dyadic interactions. | ||||
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| ISSN | 0003-3472 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5329 | ||
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