J M McNamara

Summary

Affiliation: University of Bristol
Country: UK

Publications

  1. pmc Towards a richer evolutionary game theory
    John M McNamara
    School of Mathematics, University of Bristol, Bristol BS8 1TW, UK
    J R Soc Interface 10:20130544. 2013
  2. doi request reprint The ecological rationality of state-dependent valuation
    J M McNamara
    School of Mathematics, University of Bristol, UK
    Psychol Rev 119:114-9. 2012
  3. ncbi request reprint A general technique for computing evolutionarily stable strategies based on errors in decision-making
    J M McNamara
    School of Mathematics, University of Bristol, University Walk, Bristol, BS8 1TW, UK
    J Theor Biol 189:211-25. 1997
  4. ncbi request reprint Variation in behaviour promotes cooperation in the Prisoner's Dilemma game
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    Nature 428:745-8. 2004
  5. ncbi request reprint The effects of background mortality on optimal reproduction in a seasonal environment
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    Theor Popul Biol 65:361-72. 2004
  6. ncbi request reprint If animals know their own fighting ability, the evolutionarily stable level of fighting is reduced
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    J Theor Biol 232:1-6. 2005
  7. doi request reprint A theoretical investigation of the effect of latitude on avian life histories
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, United Kingdom
    Am Nat 172:331-45. 2008
  8. doi request reprint Integrating function and mechanism
    John M McNamara
    Department of Mathematics, University Walk, Bristol, BS8 1TW, UK
    Trends Ecol Evol 24:670-5. 2009
  9. pmc Optimal annual routines: behaviour in the context of physiology and ecology
    John M McNamara
    Department of Mathematics, University of Bristol, Bristol, BS8 1TW, UK
    Philos Trans R Soc Lond B Biol Sci 363:301-19. 2008
  10. pmc Variation and the response to variation as a basis for successful cooperation
    John M McNamara
    Department of Mathematics, University of Bristol, Bristol BS8 1TW, UK
    Philos Trans R Soc Lond B Biol Sci 365:2627-33. 2010

Detail Information

Publications43

  1. pmc Towards a richer evolutionary game theory
    John M McNamara
    School of Mathematics, University of Bristol, Bristol BS8 1TW, UK
    J R Soc Interface 10:20130544. 2013
    ..I also highlight the need to consider flexibility of behaviour, mental states and other issues concerned with the evolution of mechanism. ..
  2. doi request reprint The ecological rationality of state-dependent valuation
    J M McNamara
    School of Mathematics, University of Bristol, UK
    Psychol Rev 119:114-9. 2012
    ..By providing an insight into why learning should be affected by the state of an individual, we provide a basis for understanding psychological principles in terms of an animal's ecology...
  3. ncbi request reprint A general technique for computing evolutionarily stable strategies based on errors in decision-making
    J M McNamara
    School of Mathematics, University of Bristol, University Walk, Bristol, BS8 1TW, UK
    J Theor Biol 189:211-25. 1997
    ..It is also argued that there is biological justification for inclusion of the types of errors we have introduced...
  4. ncbi request reprint Variation in behaviour promotes cooperation in the Prisoner's Dilemma game
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    Nature 428:745-8. 2004
    ..In contrast, we show that if extrinsic factors maintain variation in behaviour, high levels of co-operation are stable. Our results highlight the importance of extrinsic variability in determining the outcome of evolutionary games...
  5. ncbi request reprint The effects of background mortality on optimal reproduction in a seasonal environment
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    Theor Popul Biol 65:361-72. 2004
    ..We also explore the effects of mortality on the timing of reproduction within a year, highlighting the tension between the interests of the parent and that of the young...
  6. ncbi request reprint If animals know their own fighting ability, the evolutionarily stable level of fighting is reduced
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    J Theor Biol 232:1-6. 2005
    ....
  7. doi request reprint A theoretical investigation of the effect of latitude on avian life histories
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, United Kingdom
    Am Nat 172:331-45. 2008
    ..Our results show that seasonal changes in food supply are sufficient to explain the observed trends in clutch size, care times, and age at first breeding...
  8. doi request reprint Integrating function and mechanism
    John M McNamara
    Department of Mathematics, University Walk, Bristol, BS8 1TW, UK
    Trends Ecol Evol 24:670-5. 2009
    ..Although behavioural ecologists have built complex models of optimal behaviour in simple environments, we argue that they need to focus on simple mechanisms that perform well in complex environments...
  9. pmc Optimal annual routines: behaviour in the context of physiology and ecology
    John M McNamara
    Department of Mathematics, University of Bristol, Bristol, BS8 1TW, UK
    Philos Trans R Soc Lond B Biol Sci 363:301-19. 2008
    ....
  10. pmc Variation and the response to variation as a basis for successful cooperation
    John M McNamara
    Department of Mathematics, University of Bristol, Bristol BS8 1TW, UK
    Philos Trans R Soc Lond B Biol Sci 365:2627-33. 2010
    ..Variation promotes the need to monitor the previous behaviour of others, and once this social sensitivity exists, the need to maintain a good reputation can promote cooperation...
  11. doi request reprint Environmental variability can select for optimism or pessimism
    John M McNamara
    School of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    Ecol Lett 14:58-62. 2011
    ..Our results establish that the spatial and temporal structure of the environment is crucial in determining the direction of evolved biases...
  12. ncbi request reprint Incorporating rules for responding into evolutionary games
    J M McNamara
    School of Mathematics, University of Bristol, UK
    Nature 401:368-71. 1999
    ..As we show, the action chosen as a result of the negotiation is not the best action given the action of the opponent. This conclusion necessitates a fundamental change in the way that evolutionary games are modelled...
  13. ncbi request reprint A dynamic game-theoretic model of parental care
    J M McNamara
    School of Mathematics, University of Bristol, Bristol, BS8 1TW, UK
    J Theor Biol 205:605-23. 2000
    ..In a version of the model in which a pair stays together if they both care, the feedback between behaviour and mating opportunity can lead to more than one evolutionarily stable form of care...
  14. pmc Introduction. Adaptation to the annual cycle
    John M McNamara
    Department of Mathematics, University of Bristol, Bristol BS8 1TW, UK
    Philos Trans R Soc Lond B Biol Sci 363:209-10. 2008
  15. pmc Quantifying male attractiveness
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    Proc Biol Sci 270:1925-32. 2003
    ..The method is, however, easily extendible to other cases. An example illustrates that the sexy son phenomenon can occur when there is phenotypic inheritance of the male trait...
  16. pmc Credible threats and promises
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    Philos Trans R Soc Lond B Biol Sci 357:1607-16. 2002
    ..We then extend previous work on the evolution of trust and commitment, discussing conditions under which it is advantageous to assume that a partner will behave in a certain way even though it is not in its best interest...
  17. pmc A theoretical analysis of the energetic costs and consequences of parental care decisions
    James N Webb
    Department of Mathematics, Statistics and Operational Research, The Nottingham Trent University, Burton Street, NG1 4BU, UK
    Philos Trans R Soc Lond B Biol Sci 357:331-40. 2002
    ..Overall, the model provides a good framework for understanding how various ecological and life-history variables should influence parental care behaviour during a breeding season...
  18. ncbi request reprint A dynamic model of hypothermia as an adaptive response by small birds to winter conditions
    N J Welton
    School of Mathematics, CEMS, University of the West of England, Bristol, United Kingdom
    Acta Biotheor 50:39-56. 2002
    ..Conditions which give a high value of hypothermia are short photoperiod, variable food supply, low temperatures, poor and scarce food supplies...
  19. doi request reprint The coevolution of choosiness and cooperation
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    Nature 451:189-92. 2008
    ..Because our model does not invoke complex mechanisms such as negotiation behaviour, it can be applied to a wide range of species. The results suggest an important role of lifespan in the evolution of cooperation...
  20. doi request reprint Seasonal dispersal of pests: one surge or two?
    M D Paulson
    Department of Mathematics, University of Bristol, Bristol, UK
    J Evol Biol 22:1193-202. 2009
    ..The presence of an additional surge of dispersal becomes more likely as season length increases, and does not require further evolution. This could have profound implications for pest management during future climatic warming...
  21. pmc Evolution of trust and trustworthiness: social awareness favours personality differences
    John M McNamara
    Department of Mathematics, University of Bristol, Bristol BS8 1TW, UK
    Proc Biol Sci 276:605-13. 2009
    ..Our work adds to growing evidence that evolutionary game theorists can no longer afford to ignore the importance of real world inter-individual variation in their models...
  22. ncbi request reprint A model for the evolutionary maintenance of monogyny in spiders
    Lutz Fromhage
    School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK
    J Theor Biol 250:524-31. 2008
    ..There is also a narrow range of conditions where either monogyny or bigyny can be evolutionarily stable. Our results are in qualitative agreement with empirical findings in spiders...
  23. ncbi request reprint Teaching with evaluation in ants
    THOMAS O RICHARDSON
    The University of Bristol, School of Biological Sciences, Bristol, UK
    Curr Biol 17:1520-6. 2007
    ..Second, ant teachers modulate their giving-up time depending on the value of the goal. Finally, leaders have shorter giving-up times after unusually slow tandem runs...
  24. pmc Mammalian choices: combining fast-but-inaccurate and slow-but-accurate decision-making systems
    Pete C Trimmer
    Department of Computer Science, University of Bristol, Woodland Road, Bristol BS8 1UB, UK
    Proc Biol Sci 275:2353-61. 2008
    ..We then consider how two such systems should be combined optimally for a range of information linkage mechanisms. We conclude with some performance predictions that will hold if our representation is realistic...
  25. ncbi request reprint Assessing predation risk: optimal behaviour and rules of thumb
    Nicky J Welton
    MRC Health Services Research Collaboration, Department of Social Medicine, University of Bristol, Whiteladies Road, BS8 2PR Bristol, UK
    Theor Popul Biol 64:417-30. 2003
    ..We find that for the model and parameters investigated, a very simple rule of thumb such as 'use the best constant control' performs well...
  26. pmc Violations of transitivity under fitness maximization
    Alasdair I Houston
    Centre for Behavioural Biology, University of Bristol, Woodland Road, Bristol BS8 1UG, UK
    Biol Lett 3:365-7. 2007
    ..In particular, they depend on how the presence of an option may act as an insurance against a run of bad luck in the future...
  27. pmc A theoretical investigation of the effect of predators on foraging behaviour and energy reserves
    John M McNamara
    School of Mathematics, University Walk, Bristol BS8 1TW, UK
    Proc Biol Sci 272:929-34. 2005
    ..We show that, depending on the biology of the predator, optimal body mass may either increase or decrease. The model also makes predictions about the foraging behaviour of the bird after it has seen a predator...
  28. pmc Do we expect natural selection to produce rational behaviour?
    Alasdair I Houston
    Centre for Behavioural Biology, University of Bristol, Bristol BS8 1RJ, UK
    Philos Trans R Soc Lond B Biol Sci 362:1531-43. 2007
    ..Here, the general idea is that the setting in which optimal decisions are investigated is too simple and may not include elements that add extra degrees of freedom to the situation...
  29. pmc The hidden cost of information in collective foraging
    François Xavier Dechaume-Moncharmont
    Centre for Behavioural Biology, School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK
    Proc Biol Sci 272:1689-95. 2005
    ..It occurs because food sources are only available for a limited period. Our study emphasizes the importance of time constraints and the analysis of dynamics, not just steady states, to understand social insect foraging...
  30. pmc A self-consistent approach to paternity and parental effort
    Alasdair I Houston
    School of Biological Sciences, University of Bristol, Woodland Road, BS8 1UG, UK
    Philos Trans R Soc Lond B Biol Sci 357:351-62. 2002
    ..It is easy to construct models that predict negative correlations between effort and paternity...
  31. pmc Stability and value of male care for offspring: is it worth only half the trouble?
    Lutz Fromhage
    Centre for Behavioural Biology, University of Bristol, Bristol BS8 1TH, UK
    Biol Lett 3:234-6. 2007
    ..We reject the claim that fitness gains through male care are intrinsically less valuable than those through desertion, and that the former must therefore be down-weighted by 1/2 when compared with the latter...
  32. doi request reprint Natural selection can favour 'irrational' behaviour
    J M McNamara
    School of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    Biol Lett 10:20130935. 2014
    ..Current food options can be indicative of food availability in the near future, and this key feature can result in apparently irrational behaviour. ..
  33. doi request reprint Sperm allocation strategies and female resistance: a unifying perspective
    Lutz Fromhage
    School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, United Kingdom
    Am Nat 172:25-33. 2008
    ..This result strengthens one of the central predictions of sperm competition theory and is in accordance with empirical findings from a wide range of taxa...
  34. pmc Simple learning rules to cope with changing environments
    Roderich Gross
    School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK
    J R Soc Interface 5:1193-202. 2008
    ..We propose a simple extension to the original rules that enables agents to learn about and effectively exploit a changing environment for an unlimited period of time...
  35. pmc The effect of energy reserves and food availability on optimal immune defence
    Alasdair I Houston
    School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK
    Proc Biol Sci 274:2835-42. 2007
    ..We show that the strength of selection on reserve-dependent immune defence depends on how foraging intensity and immune defence determine the probability of death from disease...
  36. doi request reprint The scaling of diving time budgets: insights from an optimality approach
    Philip A Stephens
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, United Kingdom
    Am Nat 171:305-14. 2008
    ..Our results illustrate the utility of an optimality approach for developing predictions and identifying key areas for empirical research on the allometry of diving behavior...
  37. pmc The optimal coyness game
    John M McNamara
    Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UK
    Proc Biol Sci 276:953-60. 2009
    ..Due to the mutual feedback between coyness and helpfulness in our model, alternatively stable evolutionary outcomes (with or without coyness) are possible under broad conditions. We also discuss alternative interpretations of coyness...
  38. ncbi request reprint Cooperation should not be assumed
    John M McNamara
    Centre for Behavioural Biology, Department of Mathematics, University of Bristol, Bristol BS8 1TW, UK
    Trends Ecol Evol 21:476-8. 2006
    ..We agree with Roughgarden and colleagues that bargaining is an important aspect of social interactions, but this is not a novel claim. Bargaining does not require the assumption of cooperation and does not necessarily lead to it...
  39. pmc The effect of foraging parameters on the probability that a dive is successful
    Alasdair I Houston
    Centre for Behavioural Biology, School of Biological Sciences, University of Bristol, Bristol BS8 1UG, UK
    Proc Biol Sci 270:2451-5. 2003
    ..We point out that the same conclusions are likely to apply in the context of mate choice, i.e. the probability of getting a mate may not be an indicator of the quality of the environment in terms of reproductive success...
  40. pmc The sexual selection continuum
    Hanna Kokko
    Division of Environmental and Evolutionary Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK
    Proc Biol Sci 269:1331-40. 2002
    ..Costly female choice can be maintained with or without higher offspring survival...
  41. ncbi request reprint Debating sexual selection and mating strategies
    Sasha R X Dall
    Science 312:689-97; author reply 689-97. 2006
  42. pmc Optimal moult strategies in migratory birds
    Zoltan Barta
    Behavioural Ecology Research Group, Department of Evolutionary Zoology, University of Debrecen, H 4032, Debrecen, Hungary
    Philos Trans R Soc Lond B Biol Sci 363:211-29. 2008
    ..e. the food is very seasonal but in opposite phase on these areas). This finding might explain why only long-distance migrants have a winter moult...
  43. ncbi request reprint When to parasitize? A dynamic optimization model of reproductive strategies in a cooperative breeder
    Eva Skubic
    Konrad Lorenz Institute for Comparative Ethology, Austrian Academy of Sciences, Vienna, Austria
    J Theor Biol 227:487-501. 2004
    ..If expulsion risk is high then helpers should not parasitize reproduction at medium body size but should parasitize either when small or large...