Second-to-Fourth Digit Ratio Has a Non-Monotonic Impact on Altruism

PLoS ONE

Volumn 8, Issue 4, 2013, Pages

  Brañas Garza, Pablo ^a   Kovářík, Jaromír ^b   Neyse, Levent ^c  

^a MIDDLESEX UNIVERSITY BUSINESS SCHOOL   (United Kingdom)

^b UNIVERSITY OF THE BASQUE COUNTRY UPV EHU   (Spain)

^c UNIVERSITY OF GRANADA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

SEX HORMONE;

ALTRUISM; ARTICLE; BEHAVIORISM; CONTROLLED STUDY; FEMALE; HUMAN; HUMAN EXPERIMENT; INDEX FINGER; MALE; PHYSICAL PARAMETERS; PRENATAL EXPOSURE; SECOND TO FOURTH DIGIT RATIO;

ALTRUISM; FEMALE; FINGERS; HUMANS; MALE;

EID: 84876019994     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0060419     Document Type: Article

References (52)

1. Axelrod R, Hamilton WD, (1981) Evolution of Cooperation. Science 211: 1390-1396.
2. Dawkins R (1989) The Selfish Gene. Oxford: Oxford Univ. Press.
3. Fehr E, Fischbacher U, (2003) The Nature of Human Altruism. Nature 425: 785-791.
4. Boyd R, Richerson PJ (1985) Culture and the Evolutionary Process Chicago: University of Chicago Press.
5. Richerson PJ, Boyd R, Henrich J, (2010) Gene-culture coevolution in the age of genomics. Proc Natl Acad Sci U S A 107: 8985-8992.
6. Cesarini D, Dawes CT, Fowler JH, Johannesson M, Lichtenstein P, et al. (2008) Heritability of cooperative behavior in the trust game. Proc Natl Acad Sci U S A 105: 3721-3726.
7. Cesarini D, Dawes CT, Johannesson M, Lichtenstein P, Wallace B, (2009) Genetic Variation in Preferences for Giving and Risk Taking. Q J Econ 2: 809-842.
8. Benjamin DJ, Cesarinin D, van der Loos MJHM, Dawes CT, Koellinger PD, et al. (2012) The Genetic Architecture of Economic and Political Preferences. Proc Natl Acad Sci U S A 109: 8026-8031.
9. Ebstain RP, Isreal S, Chew SH, Zhong S, Knafo A, (2010) Genetics of Human Social Behavior. Neuron 65: 831-844.
10. Darwin C (1871) The Descent of Man and Selection in Relation to Sex. London, John Murray.
11. Alexander RM (1996) Optima for Animals. Princeton, Princeton Univ. Press.
12. Sutherland WJ, (2005) The best solution. Nature 435: 569.
13. Nye JVC, Androuschak G, Desierto D, Jones G, Yudkevich M, (2012) 2D:4D Asymmetry and Gender Differences in Academic Performance. PloS ONE 7: e46319.
14. Camerer C (2003) Behavioral Game Theory: Experiments on Strategic Interaction. Princeton, Princeton University Press.
15. Henrich J, Boyd R, Bowles S, Camerer CF, Fehr E, et al. (2005) 'Economic Man' in Cross-Cultural Perspective: Behavioral Experiments in 15 Small-Scale Societies. Behav Brain Sci 28: 795-855.
16. Roth A, Prasnikar V, Okuno-Fujiwara M, Zamir S, (1991) Bargaining and Market Behavior in Jerusalem, Ljubljana, Pittsburgh, and Tokyo: An Experimental Study. Am Econ Rev 81: 1068-1095.
17. Goy R, McEwen B (1980) Sexual Differentiation of the Brain. Cambridge, MIT Press.
18. Lee D, (2008) Game theory and neural basis of social decision making. Nat Neurosci 11: 404-409.
19. Fehr E, Camerer CF, (2007) Social neuroeconomics: the neural circuitry of social preferences. Trends Cogn Sci 11: 419-427.
20. Fehr E (2009) Social Preferences and the Brain. In: Glimcher PW, Camerer CF, Fehr E, Poldrack PA, editors. Neuroeconomics: Decision Making and the Brain. Elsevier. 215-232.
21. Manning JT, Scutt D, Wilson D, Lewis-Jones D, (1998) 2nd to 4th digit length: A predictor of sperm numbers and concentrations of testosterone, luteinizing hormone and oestrogen. Hum Reprod 13: 3000-3004.
22. Lutchmaya S, Baron-Cohen S, Raggatt P, Knickmeyer R, Manning JT, (2004) 2nd to 4th digit ratios, fetal testosterone and estradiol. Early Hum Dev 77: 23-28.
23. Manning JT, Kilduff L, Trivers R, (2012) Digit ratio (2D:4D) in Klinefelter's syndrome. Andrology 1: 94-99.
24. Zheng Z, Cohn MJ, (2011) Development basis of sexually dimorphic digit ratios, Proc Natl Acad Sci U S A. 108: 16289-16294.
25. Manning JT (2002) Digit ratio: a pointer to fertility, behavior and health. New Jersey, Rutgers University Press.
26. Manning JT, Taylor RP, (2001) Second to fourth digit ratio and male ability in sport: implications for sexual selection in humans. Evol Hum Behav 22: 61-69.
27. Brañas-Garza P, Rustichini A, (2011) Organizing effects of Testosterone and Economic Behavior: Not Just Risk Taking. PLoS ONE 6: e29842.
28. Croson R, Gneezy U, (2009) Gender Differences in Preferences. J Econ Lit 47: 1-27.
29. Andreoni J, Vesterlund L, (2001) Which Is The Fair Sex? Gender Differences In Altruism. Q J Econ 116: 293-312.
30. Aguiar F, Brañas-Garza P, Cobo-Reyes R, Jiménez N, Miller L, (2009) Are women expected to be more generous? Exp Econ 12: 93-98.
31. Millet K, Dewitte S, (2009) The presence of aggression cues inverts the relation between digit ratio (2D:4D) and prosocial behavior in a dictator game. Brit J Psychol 100: 151-162.
32. Buser T, (2012) Digit ratios, the menstrual cycle and social preferences. Game Econ Behav 76: 457-470.
33. Millet K, Dewitte S, (2006) Second to fourth digit ratio and cooperative behavior. Biol Psychol 71: 111-115.
34. Sanchez-Pages S, Turiegano E, (2010) Testosterone, facial symmetry and cooperation in the prisoners' dilemma. Physiol Behav 99: 355-361.
35. Ronay R, Galinsky AD, (2011) Lex Talionis: Testosterone and the law of retaliation, J Exp Soc Psychol. 47: 702-705.
36. van Honk J, Montoya ER, Bos PA, van Vugt M, (2012) New evidence on testosterone and cooperation. Nature 485: E4-E5.
37. Brañas-Garza P, Cobo-Reyes R, Espinosa MP, Jiménez N, Kovarik J, Ponti G, (2010) Altruism and Social Integration. Game Econ Behav 69: 249-257.
38. Holt CA, Laury SK, (2002) Risk Aversion and Incentive Effects. Am Econ Rev 92: 1644-1655.
39. Bardsley N, (2008) Dictator Game Giving: Altruism or Artefact? Exp Econ 11: 122-133.
40. Sapienza P, Zingales L, Maestripieri D (2009) Gender differences in financial risk aversion and career choices are affected by testosterone. Proc Natl Acad Sci U S A 10.1073/pnas.0907352106.
41. Garbarino E, Slonim R, Sydnor J, (2011) Digit ratios (2D:4D) as predictors of risky decision making for both sexes. J Risk Uncertain 42: 1-26.
42. Stenstrom E, Saad G, Nepomuceno MV, Mendenhall Z (2011) Testosterone and domain-specific risk: Digit ratios (2D:4D and rel2) as predictors of recreational, financial, and social risk-taking behaviors. Pers Indiv Differ, in press.
43. Apicella CL, Dreber A, Campbell B, Graye PB, Hoffman M, Littleget A, (2008) Testosterone and financial risk preferences. Evol Hum Behav 29: 384-390.
44. Hopp RN, Pucci de Moraes J, Jorge J, (2012) Digit ratio and academic performance in dentistry students. Pers Indiv Differ 52: 643-646.
45. Fehr E, Leibbrandt A, (2011) A field study on cooperativeness and impatience in the Tragedy of the Commons. J Public Econ 95: 1144-1155.
46. Kovarik J, Brañas-Garza P, Cobo-Reyes R, Espinosa MP, Jiménez N, et al. (2012) Degree Heterogeneity and Prosocial Norms in Social Networks. Physica A 391: 849-853.
47. Long JS (1997) Regression Models for Categorical and Limited Dependent Variables. Thousand Oaks: Sage Publications.
48. Burnham TC, (2007) High-Testosterone Men Reject Low Ultimatum Game Offers. Proc R Soc B 274: 2327-2330.
49. Carsten KW, De Dreu CKW, Greer LL, Handgraaf MJJ, Shalvi S, et al. (2010) The Neuropeptide Oxytocin Regulates Parochial Altruism in Intergroup Conflict Among Humans. Science 328: 1408-1411.
50. Hönekopp J, Bartholdt L, Beier L, Liebert A, (2007) Second to Fourth Digit Length Ratio (2D:4D) and Adult Sex Hormone Levels: New Data and a Meta-Analytic Review. Psychoneuroendocrinology 32: 313-321.
51. Sanders G, Sjodin M, De Chastelaine M, (2002) On the elusive nature of sex differences in cognition: Hormonal influences contributing to within-sex variation. Arch Sex Behav 31: 145-152.
52. McFadden D, (2002) Masculinization effects in the auditory system, Arch Sex Behav. 31: 99-111.