| Records |
| Author |
MacLean, E.; Matthews, L.; Hare, B.; Nunn, C.; Anderson, R.; Aureli, F.; Brannon, E.; Call, J.; Drea, C.; Emery, N.; Haun, D.; Herrmann, E.; Jacobs, L.; Platt, M.; Rosati, A.; Sandel, A.; Schroepfer, K.; Seed, A.; Tan, J.; van Schaik, C.; Wobber, V. |
| Title |
How does cognition evolve? Phylogenetic comparative psychology |
Type |
Journal Article |
Year  |
2012 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
15 |
Issue |
2 |
Pages |
223-238 |
| Keywords |
Biomedizin & Life Sciences |
| Abstract |
Now more than ever animal studies have the potential to test hypotheses regarding how cognition evolves. Comparative psychologists have developed new techniques to probe the cognitive mechanisms underlying animal behavior, and they have become increasingly skillful at adapting methodologies to test multiple species. Meanwhile, evolutionary biologists have generated quantitative approaches to investigate the phylogenetic distribution and function of phenotypic traits, including cognition. In particular, phylogenetic methods can quantitatively (1) test whether specific cognitive abilities are correlated with life history (e.g., lifespan), morphology (e.g., brain size), or socio-ecological variables (e.g., social system), (2) measure how strongly phylogenetic relatedness predicts the distribution of cognitive skills across species, and (3) estimate the ancestral state of a given cognitive trait using measures of cognitive performance from extant species. Phylogenetic methods can also be used to guide the selection of species comparisons that offer the strongest tests of a priori predictions of cognitive evolutionary hypotheses (i.e., phylogenetic targeting). Here, we explain how an integration of comparative psychology and evolutionary biology will answer a host of questions regarding the phylogenetic distribution and history of cognitive traits, as well as the evolutionary processes that drove their evolution. |
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Springer Berlin / Heidelberg |
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1435-9448 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5604 |
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| Author |
Hare, B.; Rosati, A.; Kaminski, J.; Bräuer, J.; Call, J.; Tomasello, M. |
| Title |
The domestication hypothesis for dogs' skills with human communication: a response to Udell et al. (2008) and Wynne et al. (2008) |
Type |
Journal Article |
| Year |
2010 |
Publication |
Anim Behav |
Abbreviated Journal |
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| Volume |
79 |
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Equine Behaviour @ team @ Hare2010 |
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6241 |
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Herrmann, E.; Call, J.; Hernandez-Lloreda, M.V.; Hare, B.; Tomasello, M. |
| Title |
online material |
Type |
Journal Article |
| Year |
2007 |
Publication |
Science |
Abbreviated Journal |
Science |
| Volume |
317 |
Issue |
5843 |
Pages |
1360-1366 |
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| Abstract |
Humans have many cognitive skills not possessed by their nearest primate relatives. The cultural intelligence hypothesis argues that this is mainly due to a species-specific set of social-cognitive skills, emerging early in ontogeny, for participating and exchanging knowledge in cultural groups. We tested this hypothesis by giving a comprehensive battery of cognitive tests to large numbers of two of humans' closest primate relatives, chimpanzees and orangutans, as well as to 2.5-year-old human children before literacy and schooling. Supporting the cultural intelligence hypothesis and contradicting the hypothesis that humans simply have more “general intelligence,” we found that the children and chimpanzees had very similar cognitive skills for dealing with the physical world but that the children had more sophisticated cognitive skills than either of the ape species for dealing with the social world. |
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Equine Behaviour @ team @ |
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4244 |
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Herrmann, E.; Call, J.; Hernandez-Lloreda, M.V.; Hare, B.; Tomasello, M. |
| Title |
Humans Have Evolved Specialized Skills of Social Cognition: The Cultural Intelligence Hypothesis |
Type |
Journal Article |
| Year |
2007 |
Publication |
Science |
Abbreviated Journal |
Science |
| Volume |
317 |
Issue |
5843 |
Pages |
1360-1366 |
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| Abstract |
Humans have many cognitive skills not possessed by their nearest primate relatives. The cultural intelligence hypothesis argues that this is mainly due to a species-specific set of social-cognitive skills, emerging early in ontogeny, for participating and exchanging knowledge in cultural groups. We tested this hypothesis by giving a comprehensive battery of cognitive tests to large numbers of two of humans' closest primate relatives, chimpanzees and orangutans, as well as to 2.5-year-old human children before literacy and schooling. Supporting the cultural intelligence hypothesis and contradicting the hypothesis that humans simply have more “general intelligence,” we found that the children and chimpanzees had very similar cognitive skills for dealing with the physical world but that the children had more sophisticated cognitive skills than either of the ape species for dealing with the social world. |
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10.1126/science.1146282 |
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no |
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Equine Behaviour @ team @ |
Serial |
4245 |
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| Author |
Warneken, F.; Hare, B.; Melis, A.P.; Hanus, D.; Tomasello, M. |
| Title |
Spontaneous Altruism by Chimpanzees and Young Children |
Type |
Journal Article |
| Year |
2007 |
Publication |
PLoS Biol |
Abbreviated Journal |
PLoS Biol |
| Volume |
5 |
Issue |
7 |
Pages |
e184 EP - |
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<p>Experimental evidence reveals that chimpanzees will help other unrelated humans and conspecifics without a reward, showing that they share crucial aspects of altruism with humans.</p> |
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Public Library of Science |
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no |
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Equine Behaviour @ team @ |
Serial |
5609 |
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Melis, A.P.; Hare, B.; Tomasello, M. |
| Title |
Engineering cooperation in chimpanzees: tolerance constraints on cooperation |
Type |
Journal Article |
| Year |
2006 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
72 |
Issue |
2 |
Pages |
275-286 |
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| Abstract |
The cooperative abilities of captive chimpanzees, Pan troglodytes, in experiments do not match the sophistication that might be predicted based on their naturally occurring cooperative behaviours. This discrepancy might partly be because in previous experiments potential chimpanzee cooperators were partnered without regard to their social relationship. We investigated the ability of chimpanzee dyads to solve a physical task cooperatively in relation to their interindividual tolerance levels. Pairs that were most capable of sharing food outside the test were also able to cooperate spontaneously (by simultaneously pulling two ropes) to obtain food. In contrast, pairs that were less inclined to share food outside of the test were unlikely to cooperate. Furthermore, previously successful subjects stopped cooperating when paired with a less tolerant partner, even when the food rewards were presented in a dispersed and divisible form to reduce competition between subjects. These results show that although chimpanzees are capable of spontaneous cooperation in a novel instrumental task, tolerance acts as a constraint on their ability to solve such cooperative problems. This finding highlights the importance of controlling such social constraints in future experiments on chimpanzee cooperation, and suggests that the evolution of human-like cooperative skills might have been preceded by the evolution of a more egalitarian social system and a more human-like temperament. |
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Approved |
no |
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refbase @ user @ |
Serial |
287 |
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| Author |
Hare, B.; Tomasello, M. |
| Title |
Human-like social skills in dogs? |
Type |
Journal Article |
| Year |
2005 |
Publication |
Trends in Cognitive Sciences |
Abbreviated Journal |
Trends. Cognit. Sci. |
| Volume |
9 |
Issue |
9 |
Pages |
439-444 |
| Keywords |
*Animal Communication; Animals; *Behavior, Animal; Cognition/*physiology; Dogs; *Evolution; Humans; *Social Behavior |
| Abstract |
Domestic dogs are unusually skilled at reading human social and communicative behavior--even more so than our nearest primate relatives. For example, they use human social and communicative behavior (e.g. a pointing gesture) to find hidden food, and they know what the human can and cannot see in various situations. Recent comparisons between canid species suggest that these unusual social skills have a heritable component and initially evolved during domestication as a result of selection on systems mediating fear and aggression towards humans. Differences in chimpanzee and human temperament suggest that a similar process may have been an important catalyst leading to the evolution of unusual social skills in our own species. The study of convergent evolution provides an exciting opportunity to gain further insights into the evolutionary processes leading to human-like forms of cooperation and communication. |
| Address |
Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, Leipzig, Germany. hare@eva.mpg.de |
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English |
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1364-6613 |
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| Notes |
PMID:16061417 |
Approved |
no |
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refbase @ user @ |
Serial |
546 |
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| Author |
Hare, B.; Plyusnina, I.; Ignacio, N.; Schepina, O.; Stepika, A.; Wrangham, R.; Trut, L. |
| Title |
Social cognitive evolution in captive foxes is a correlated by-product of experimental domestication |
Type |
Journal Article |
| Year |
2005 |
Publication |
Current biology : CB |
Abbreviated Journal |
Curr Biol |
| Volume |
15 |
Issue |
3 |
Pages |
226-230 |
| Keywords |
Animals; *Animals, Domestic; Cognition/*physiology; *Cues; *Evolution; Foxes/*physiology; *Selection (Genetics); Social Behavior; Species Specificity |
| Abstract |
Dogs have an unusual ability for reading human communicative gestures (e.g., pointing) in comparison to either nonhuman primates (including chimpanzees) or wolves . Although this unusual communicative ability seems to have evolved during domestication , it is unclear whether this evolution occurred as a result of direct selection for this ability, as previously hypothesized , or as a correlated by-product of selection against fear and aggression toward humans--as is the case with a number of morphological and physiological changes associated with domestication . We show here that fox kits from an experimental population selectively bred over 45 years to approach humans fearlessly and nonaggressively (i.e., experimentally domesticated) are not only as skillful as dog puppies in using human gestures but are also more skilled than fox kits from a second, control population not bred for tame behavior (critically, neither population of foxes was ever bred or tested for their ability to use human gestures) . These results suggest that sociocognitive evolution has occurred in the experimental foxes, and possibly domestic dogs, as a correlated by-product of selection on systems mediating fear and aggression, and it is likely the observed social cognitive evolution did not require direct selection for improved social cognitive ability. |
| Address |
Department of Anthropology, Harvard University, Cambridge, MA 02138, USA. hare@eva.mpg.de |
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0960-9822 |
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PMID:15694305 |
Approved |
no |
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refbase @ user @ |
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594 |
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| Author |
Hare, B.; Tomasello, M. |
| Title |
Chimpanzees are more skilful in competitive than in cooperative cognitive tasks |
Type |
Journal Article |
| Year |
2004 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
68 |
Issue |
3 |
Pages |
571-581 |
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| Abstract |
In a series of four experiments, chimpanzees, Pan troglodytes, were given two cognitive tasks, an object choice task and a discrimination task (based on location), each in the context of either cooperation or competition. In both tasks chimpanzees performed more skilfully when competing than when cooperating, with some evidence that competition with conspecifics was especially facilitatory in the discrimination location task. This is the first study to demonstrate a facilitative cognitive effect for competition in a single experimental paradigm. We suggest that chimpanzee cognitive evolution is best understood in its socioecological context. |
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no |
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refbase @ user @ |
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584 |
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Hare, B.; Addessi, E.; Call, J.; Tomasello, M.; Visalberghi, E. |
| Title |
Do capuchin monkeys, Cebus apella, know what conspecifics do and do not see? |
Type |
Journal Article |
| Year |
2003 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
65 |
Issue |
1 |
Pages |
131-142 |
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| Abstract |
Capuchin monkeys were tested in five experiments in which two individuals competed over food. When given a choice between retrieving a piece of food that was visible or hidden from the dominant, subordinate animals preferred to retrieve hidden food. This preference is consistent with the hypotheses that either (1) the subordinate knew what the dominant could and could not see or (2) the subordinate was monitoring the behaviour of the dominant and avoiding the piece of food that it approached. To test between these alternatives, we released subordinates with a slight head start forcing them to make their choice (between a piece of food hidden or visible to the dominant) before the dominant entered the area. Unlike chimpanzees, Pan troglodytes, subordinates that were given a head start did not preferentially approach hidden pieces of food first. Therefore, our experiments provide little support for the hypothesis that capuchin monkeys are sensitive to what another individual does or does not see. We compare our results with those obtained with chimpanzees in the same paradigm and discuss the evolution of primate social cognition. Copyright 2003 The Association for the Study of Animal Behaviour. Published by Elsevier Science Ltd. All rights reserved. |
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refbase @ user @ |
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