Evolution & Human Behavior
Volume 25, Issue 3 , Pages 182-199 , May 2004

Sex hormones and finger length: What does 2D:4D indicate?

  • David A. Putz

      Affiliations

    • Corresponding Author InformationCorresponding author. Tel.: +1-412-648-7500.
    • Department of Anthropology, University of Pittsburgh, Pittsburgh, PA 15260, USA
  • ,
  • Steven J.C. Gaulin

      Affiliations

    • Department of Anthropology, University of California, Santa Barbara, CA 93106, USA
  • ,
  • Robert J. Sporter

      Affiliations

    • Department of Psychology, University of Pittsburgh, Pittsburgh, PA 15260, USA
  • ,
  • Donald H. McBurney

      Affiliations

    • Department of Psychology, University of Pittsburgh, Pittsburgh, PA 15260, USA

Received 30 January 2004 ,Accepted 26 March 2004.

References 

  1. Arrieta MI, Martinez B, Nunez M, Gil A, Criado B, Telez M, et al. A–b ridge count in a Basque population: fluctuating asymmetry and comparison with other populations. Human Biology. 1995;67:121–133
  2. Austin EJ, Manning JT, McInroy K, Mathews E. A preliminary investigation of the associations between personality, cognitive ability and digit ratio. Personality and Individual Differences. 2002;33:1115–1124
  3. Baker RR, Bellis MA. Human sperm competition: copulation, masturbation, and infidelity. London: Chapman and Hall; 1995;
  4. Beckford NS, Schain D, Roor SR, Schanbacher B. Androgen stimulation and laryngeal development. Annals of Otology, Rhinology and Laryngology. 1985;94:634–640
  5. Bongaarts J, Potter RG. Fertility, biology and behavior: an analysis of proximate determinants. New York: Academic; 1986;
  6. Brown WM, Finn CJ, Breedlove SM. Sexual dimorphism in digit-length ratios of laboratory mice. The Anatomical Record. 2002;267:231–234
  7. Brown WM, Finn CJ, Cooke BM, Breedlove SM. Differences in finger length ratios between self-identified “butch” and “femme” lesbians. Archives of Sexual Behavior. 2002;31:123–127
  8. Brown WM, Hines M, Fane BA, Breedlove SM. Masculinized finger length in human males and females with congenital adrenal hyperplasia. Hormones and Behavior. 2002;42:380–386
  9. Buchsbaum MS, Henkin RI. Perceptual abnormalities in patients with chromatin negative gonadal dysgenesis and hypogonadotropic hypogonadism. International Journal of Neuroscience. 1980;11:201–209
  10. Buck JJ, Williams RM, Hughes IA, Acerini CL. In-utero androgen exposure and 2nd to 4th digit length ratio—Comparisons between healthy control and females with classical congenital adrenal hyperplasia. Human Reproduction. 2003;18:976–979
  11. Burley NT, Foster VS. Digit ratio varies with sex, egg order and strength of mate preference in zebra finches. Proceedings of the Royal Society, Series B. 2004;271:239–244
  12. Buss DM, Schmitt DP. Sexual strategies theory: an evolutionary perspective on human mating. Psychological Review. 1989;100:204–232
  13. Chamberlain NL, Driver ED, Meisfeld RL. The length and location of CAG trinucleotide repeats in the androgen receptor N-terminal domain affect transactivation function. Nucleic Acids Research. 1994;15:3181–3186
  14. Coolican J, Peters M. Sexual dimorphism in the 2D/4D ratio and its relation to mental rotation performance. Evolution and Human Behavior. 2003;24:179–183
  15. Csathó Á, Osváth A, Karádi K, Bisák É, Manning J, Kállai J. Spatial navigation related to the second to fourth digit length in women. Learning and Individual Differences. 2003;13:239–249
  16. Daabs JM, Mallinger A. High testosterone levels predict low voice pitch among men. Personality and Individual Differences. 1999;27:801–804
  17. Faurie C, Pontier D, Raymond M. Student athletes claim to have more sexual partners than other students. Evolution and Human Behavior. 2004;25:1–8
  18. Firman RC, Simmons LW, Cummins JM, Matson PL. Are body fluctuating asymmetry and the ratio of the 2nd to 4th digit reliable predictors of semen quality?. Human Reproduction. 2003;18:808–812
  19. Gangestad SW, Thornhill R. Human sexual selection and developmental stability. In:  Simpson JA,  Simpson DT editor. Evolutionary personality and social psychology. Hillsdale, NJ: Erlbaum; 1997;p. 169–195
  20. Gangestad SW, Thornhill R. Individual differences in developmental precision and fluctuating asymmetry: a model and its implications. Journal of Evolutionary Biology. 1999;12:402–416
  21. Garn SM, Burdi AR, Babler WJ, Stinson S. Early prenatal attainment of adult metacarpal–phalageal rankings and proportions. American Journal of Physical Anthropology. 1975;43:327–332
  22. Gaulin SJC. Does evolutionary theory predict sex differences in the brain?. In:  Gazzaniga M editors. The cognitive neurosciences. Cambridge, MA: MIT Press; 1995;p. 1211–1225
  23. Hall LS, Love CT. Finger length ratios in female monozygotic twins discordant for sexual orientation. Archives of Sexual Behavior. 2003;32:23–28
  24. Hampson E, Rovet JF, Altman D. Spatial reasoning in children with congenital adrenal hyperplasia due to 21-hydroxylase deficiency. Developmental Neuropsychology. 1998;14:299–320
  25. Henrich J, Gil-White FJ. The evolution of prestige: freely conferred deference as a mechanism for enhancing the benefits of cultural transmission. Evolution and Human Behavior. 2001;22:165–196
  26. Hines M, Fane BA, Pasterski VL, Mathews GA, Conway GS, Brook C. Spatial abilities following prenatal androgen abnormalities: targeting and mental rotation performance in individuals with congenital adrenal hyperplasia. Psychoneuroendocrinology. 2003;28:1010–1026
  27. Hollien H. Some laryngeal correlates of vocal pitch. Journal of Speech and Hearing Research. 1960;3:52–58
  28. Hollien H, Green R, Massey K. Longitudinal research on adolescent voice change in males. Journal of the Acoustical Society of America. 1994;96:2646–2654
  29. Jamison CS, Meier RJ, Campbell BC. Dermatoglyphic asymmetry and testosterone levels in normal males. American Journal of Physical Anthropology. 1993;90:185–198
  30. Kazemi-Esfarjani P, Trifiro MA, Pinski L. Evidence for a recessive function of the long polyglutamine tract in the human androgen receptor: possible pathogenic relevance for the (CAG)n-expanded neuropathies. Human Molecular Genetics. 1995;4:523–527
  31. Kimura D, Hampson E. Neural and hormonal mechanisms mediating sex differences in cognition. In:  Vernon PA editors. Biological approaches to the study of human intelligence. Norwood, NJ: Ablex; 1993;p. 375–397
  32. Leridon H. Human fertility. Chicago: University of Chicago Press; 1977;
  33. Linn MC, Petersen AC. Emergence and characterization of sex differences in spatial ability: a meta-analysis. Child Development. 1985;56:1479–1498
  34. Manning JT. Digit ratio. New Brunswick, NJ: Rutgers University Press; 2002;
  35. Manning JT, Barley L, Walton J, Lewis-Jones DI, Trivers RL, Singh D, et al. The 2nd:4th digit ratio, sexual dimorphism, population differences, and reproductive success: evidence for sexually antagonistic genes?. Evolution and Human Behavior. 2000;21:163–183
  36. Manning JT, Bundred PE, Newton DJ, Flanagan BF. The second to fourth digit ratio and variation in the androgen receptor gene. Evolution and Human Behavior. 2003;24:399–405
  37. Manning JT, Martin S, Trivers RL, Soler M. 2nd to 4th digit ratio and offspring sex ratio. Journal of Theoretical Biology. 2002;217:93–95
  38. Manning JT, Scutt D, Wilson J, Lewis-Jones DI. The ratio of the 2nd and 4th digit length: a predictor of sperm numbers and concentrations of testosterone, luteinizing hormone and oestrogen. Human Reproduction. 1998;13:3000–3004
  39. Manning JT, Taylor RP. Second to fourth digit ratio and male ability in sport: implications for sexual selection in humans. Evolution and Human Behavior. 2001;22:61–69
  40. Martin SM, Manning JT, Dowrick CF. Fluctuating asymmetry, relative digit length, and depression in men. Evolution and Human Behavior. 1999;20:203–214
  41. Mazur A, Booth A. Testosterone and dominance in men. Behavioral and Brain Sciences. 1998;21:353–397
  42. McFadden D, Shubel E. Relative lengths of fingers and toes in human males and females. Hormones and Behavior. 2002;42:492–500
  43. McFadden D, Shubel E. The relationships between otoacoutic emissions and relative lengths of fingers and toes. Hormones and Behavior. 2003;43:421–429
  44. Micles S, Kobyliansky E. Asymmetry and diversity of dermatoglyphics. Homo. 1991;42:21–42
  45. Mikach SM, Bailey JM. What distinguishes women with unusually high numbers of sex partners?. Evolution and Human Behavior. 1999;20:141–150
  46. Miller G. The mating mind. New York: Doubleday; 2000;
  47. Mizoguchi Y. Degree of bilateral asymmetry of nonmetric tooth crown characters quantified by the tetrachoric correlation method. Bulletin of the National Science Museum, Series D, Anthropology. 1988;14:29–49
  48. Møller AP. Developmental stability and fitness: a review. American Naturalist. 1997;149:916–932
  49. Møller AP, Thornhill R. A meta-analysis of the heritability of developmental stability. Journal of Evolutionary Biology. 1997;10:1–16
  50. Møller AP, Thornhill R. Developmental stability is heritable. Journal of Evolutionary Biology. 1997;10:69–76
  51. Neave N, Laing S, Fink B, Manning JT. Second to fourth digit ratio, testosterone and perceived male dominance. Proceedings of the Royal Society, Series B. 2003;270:2167–2172
  52. Need AG, Durbridge TC, Nordin BE. Anabolic steroids in postmenopausal osteoporosis. Wien. Med. Wochenshr. 1993;143:392–395
  53. Okten A, Kalyoncu M, Yaris N. The ratio of second- and fourth-digit lengths and congenital adrenal hyperplasia due to 21-hydroxylase deficiency. Early Human Development. 2002;70:47–54
  54. Perlman SM. Cognitive abilities of children with hormone abnormalities: screening by psycho-educational test. Journal of Learning Disabilities. 1973;6:21–29
  55. Pérusse D. Cultural and reproductive success: testing the relationship at proximate and ultimate levels. Behavioral and Brain Sciences. 1993;16:267–322
  56. Perzigian AJ. Fluctuating dental asymmetry variation among skeletal populations. American Journal of Physical Anthropology. 1977;47:81–88
  57. Phelps VR. Relative index finger length as a sex-influenced trait in man. American Journal of Human Genetics. 1952;4:72–89
  58. Rahman Q, Wilson GD. Sexual orientation and the 2nd to 4th finger length ratio: evidence for organizing effects of sex hormones or developmental instability?. Psychoneuroendocrinology. 2003;28:288–303
  59. Resnick SM, Berenbaum SA, Gottesman II, Bouchard TJ. Early hormonal influences on cognitive functioning in congenital adrenal hyperplasia. Developmental Psychology. 1986;22:191–198
  60. Robinson SJ, Manning JT. The ratio of 2nd to 4th digit length and male homosexuality. Evolution and Human Behavior. 2000;21:333–345
  61. Ronalds G, Phillips DI, Godfrey KM, Manning JT. The ratio of second to fourth digit length: a marker of impaired fetal growth. Early Human Development. 2002;68:21–26
  62. Rosenthal R, Rubin DB. Further meta-analytic procedures for assessing cognitive gender differences. Journal of Educational Psychology. 1982;74:708–712
  63. Rovet J, Netley C. Processing deficits in Turner's syndrome. Developmental Psychology. 1982;18:77–94
  64. Shepard RN, Metzler J. Mental rotation of three-dimensional objects. Science. 1971;171:701–703
  65. Simpson JA, Gangestad SW. Individual differences in sociosexuality: evidence for convergent and discriminant validity. Journal of Personality and Social Psychology. 1991;59:971–980
  66. Simpson JA, Gangestad SW, Christensen PN, Leck K. Fluctuating asymmetry, sociosexuality, and intrasexual competitive tactics. Journal of Personality and Social Psychology. 1999;76:159–172
  67. Sluming VA, Manning JT. Second to fourth digit ratio in elite musicians: evidence for musical ability as an honest signal of male fitness. Evolution and Human Behavior. 2000;21:1–9
  68. Townsend GC. Fluctuating asymmetry in the deciduous dentition of Australian aboriginals. Journal of Dental Research. 1981;60:1849–1857
  69. Van Valen L. A study of fluctuating asymmetry. Evolution. 1962;16:125–142
  70. Vandenberg SG, Kuse AR. Mental rotations: a group test of three-dimensional spatial visualization. Perceptual and Motor Skills. 1978;47:599–604
  71. Williams TJ, Pepitone ME, Christensen SE, Cooke BM, Huberman AD, Breedlove NJ, et al. Finger length ratios and sexual orientation. Nature. 2000;404:455–456
  72. Zuk M, McKean KA. Sex differences in parasite infections: patterns and processes. International Journal for Parasitology. 1996;26:1009–1023

PII: S1090-5138(04)00021-2

doi: 10.1016/j.evolhumbehav.2004.03.005

Evolution & Human Behavior
Volume 25, Issue 3 , Pages 182-199 , May 2004