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09:09
Dissecting the Non-human Primate Brain in Stereotaxic Space
Published on: July 16, 2009
Animal cognition: great apes wait for grapes
Benjamin Y Hayden1, Michael L Platt
1Department of Neurobiology, Center for Neuroeconomic Studies, and Center for Cognitive Neuroscience, Duke University Medical Center, Durham, North Carolina 27710, USA.
Current Biology : CB
|November 7, 2007
Summary
Patience is not unique to humans. Chimpanzees demonstrate greater patience than humans when waiting for food rewards, indicating patience is not an innate or exclusively human trait.
Area of Science:
- Comparative psychology
- Behavioral economics
Background:
- Patience, the ability to delay gratification, is crucial for long-term planning and decision-making.
- While often considered a hallmark of human cognition, the evolutionary roots and cross-species presence of patience remain under investigation.
Purpose of the Study:
- To compare patience levels between humans and chimpanzees in a controlled experimental setting.
- To investigate whether patience is an innate or uniquely human characteristic.
Main Methods:
- A controlled experiment was designed to assess delayed gratification in both human and chimpanzee participants.
- Participants were offered immediate smaller rewards versus delayed larger rewards to measure their waiting capacity.
Main Results:
- Chimpanzees exhibited a significantly greater willingness to wait for larger food rewards compared to humans.
- Human participants showed less tolerance for delayed gratification in the context of monetary rewards.
Conclusions:
- The findings suggest that patience is not an innate trait and is not exclusive to humans.
- Chimpanzees display a higher degree of patience than humans in certain contexts, challenging anthropocentric views of this cognitive ability.
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