Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Transforming the dilemma.

Christine Taylor1, Martin A Nowak

  • 1Program for Evolutionary Dynamics, Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA. taylor4@fas.harvard.edu

Evolution; International Journal of Organic Evolution
|August 23, 2007
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Large language models instantiate evolutionarily robust strategies of cooperation.

PNAS nexus·2026
Same author

Taking a closer look at the Cognitive Scale of the Functional Independence Measure and its clinical application in severe traumatic brain injury: A psychometric study.

Neuropsychological rehabilitation·2026
Same author

Age distinguishes selection from causation in cancer genomes.

Nature genetics·2026
Same author

Reply to Sacco: Complete spaces as outcomes of evolutionary optimization.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

A protocol for an emergency front-of-neck airway registry in the United Kingdom.

BJA open·2026
Same author

Payoff equivalence and complete strategy spaces of direct reciprocity.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Superorganismal Anisogamy: A Comparative Test of an Extended Theory.

Evolution; international journal of organic evolution·2026
Same journal

The role of microbial resource mutualists in plant adaptation to abiotic environments.

Evolution; international journal of organic evolution·2026
Same journal

Museum genomics links MC1R alleles to adaptive winter coat color polymorphism in the long-tailed weasel.

Evolution; international journal of organic evolution·2026
Same journal

Repeated evolution of iridescence and hindwing tails is associated with morphometric flight proxies in skipper butterflies.

Evolution; international journal of organic evolution·2026
Same journal

Temperature-dependent competition predicts contrasting outcomes of adjacent secondary contact zones in darters (Percidae:Etheostoma).

Evolution; international journal of organic evolution·2026
Same journal

Sex allocation of hermaphrodites in metapopulations with frequent population extinction and recolonization.

Evolution; international journal of organic evolution·2026
See all related articles

Natural selection favors defectors in the Prisoner's Dilemma. However, cooperation can evolve through mechanisms like reciprocity, kin selection, group selection, and network reciprocity, which alter the game's payoffs.

Area of Science:

  • Evolutionary Biology
  • Game Theory
  • Behavioral Ecology

Background:

  • The Prisoner's Dilemma illustrates a conflict between individual self-interest and collective benefit.
  • In a standard Prisoner's Dilemma, natural selection favors defection over cooperation.
  • Understanding the evolution of cooperation in competing individuals is a fundamental question.

Purpose of the Study:

  • To explore the mechanisms driving the evolution of cooperation among competing individuals.
  • To analyze how different evolutionary mechanisms transform the Prisoner's Dilemma payoff structure.
  • To derive the conditions necessary for cooperation to emerge and persist.

Main Methods:

  • Analysis of the Prisoner's Dilemma game and its payoff matrix (T > R > P > S).

Related Experiment Videos

  • Examination of five key mechanisms: direct reciprocity, indirect reciprocity, kin selection, group selection, and network reciprocity.
  • Derivation of transformed payoff matrices for each mechanism.
  • Application of evolutionary dynamics frameworks (e.g., replicator equation).

    • Main Results:

    • Natural selection alone does not favor cooperation in a well-mixed population.
    • Each of the five mechanisms modifies the Prisoner's Dilemma, creating conditions where cooperation can be favored.
    • Fundamental conditions for the evolution of cooperation are derived from these transformed matrices.

    Conclusions:

    • Cooperation can evolve through specific social and ecological structures that alter the strategic landscape.
    • The study provides a framework for analyzing cooperation across various biological contexts.
    • Understanding these mechanisms is crucial for explaining cooperative behaviors in nature.