Journal
FOLIA PRIMATOLOGICA
Volume 75, Issue 5, Pages 317-330Publisher
KARGER
DOI: 10.1159/000080209
Keywords
Cebus apella; value perception; exchange and barter; sex differences
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Funding
- NCRR NIH HHS [RR-00165] Funding Source: Medline
- NATIONAL CENTER FOR RESEARCH RESOURCES [P51RR000165] Funding Source: NIH RePORTER
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We evaluated the response of brown capuchin monkeys to two differentially valued tokens in an experimental exchange situation akin to a simple barter. Monkeys were given a series of three tests to evaluate their ability to associate tokens with food, then their responses were examined in a barter situation in which tokens were either limited or unlimited. Capuchins did not perform barter in the typical sense, returning the tokens which were associated with the reward. However, females, but not males, showed a different response, preferring the higher-value token. This may indicate that they learned to prefer one token over the other rather than to associate the tokens with their specific rewards. This sex difference parallels previous findings of greater reciprocity in female brown capuchins than in males. Copyright (C) 2004 S. Karger AG, Basel.
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