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Contribution Details
| Type | Journal Article |
| Scope | Discipline-based scholarship |
| Title | Other-regarding preferences in a non-human primate: common marmosets provision food altruistically |
| Organization Unit | |
| Authors |
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| Item Subtype | Original Work |
| Refereed | Yes |
| Status | Published in final form |
| Language |
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| Journal Title | Proceedings of the National Academy of Sciences of the United States of America (PNAS) |
| Publisher | National Academy of Sciences |
| Geographical Reach | international |
| ISSN | 0027-8424 |
| Volume | 104 |
| Number | 50 |
| Page Range | 19762 - 19766 |
| Date | 2007 |
| Abstract Text | Human cooperation is unparalleled in the animal world and rests on an altruistic concern for the welfare of genetically unrelated strangers. The evolutionary roots of human altruism, however, remain poorly understood. Recent evidence suggests a discontinuity between humans and other primates because individual chimpanzees do not spontaneously provide food to other group members, indicating a lack of concern for their welfare. Here, we demonstrate that common marmoset monkeys (Callithrix jacchus) do spontaneously provide food to non-reciprocating and genetically unrelated individuals, indicating that other-regarding preferences are not unique to humans and that their evolution did not require advanced cognitive abilities such as theory of mind. Because humans and marmosets are cooperative breeders and the only two primate taxa in which such unsolicited prosociality has been found, we conclude that these prosocial predispositions may emanate from cooperative breeding. |
| Digital Object Identifier | 10.1073/pnas.0710310104 |
| PubMed ID | 18077409 |
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| Additional Information | Copyright: National Academy of Sciences USA |