Interpreting digit ratio (2D:4D)–behavior correlations: 2D:4D sex difference, stability, and behavioral correlates and their replicability in young children

@article{Wong2016InterpretingDR,
  title={Interpreting digit ratio (2D:4D)–behavior correlations: 2D:4D sex difference, stability, and behavioral correlates and their replicability in young children},
  author={Wang Ivy Wong and Melissa Hines},
  journal={Hormones and Behavior},
  year={2016},
  volume={78},
  pages={86-94}
}
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78 Citations
Highly Influential Citations
1
Background Citations
10
Methods Citations
1
Results Citations
4

78 Citations

Digit ratio (2D:4D) and its behavioral correlates in infant rhesus macaques (Macaca mulatta).
  • A. Paukner
  • Psychology, Biology
    Developmental psychobiology
  • 2019
TLDR
The results of this study highlight the need for future developmental studies of 2D:4D ratios in order to determine not only their stability and predictive value, but also to discern the mechanism connecting prenatal androgen exposure, 2D-3D ratios, and behavioral outcomes.
Digit ratio (2D:4D) and behavioral symptoms in primary-school aged boys.
Parent-Reports of Sex-Typed Play Preference in Preschool Children: Relationships to 2D:4D Digit Ratio and Older Siblings’ Sex
TLDR
Children’s 2D:4D was measured on both hands on four occasions from early infancy to early childhood providing the rare possibility to test the temporal stability of the sex difference and shows the importance of both biological and social influences on sex-typed play behavior.
Digit ratio (2D:4D) and handgrip strength are correlated in women (but not in men) in Hui ethnicity.
Sex Differences in Rhesus Monkeys’ Digit Ratio (2D:4D Ratio) and Its Association With Maternal Social Dominance Rank
TLDR
Findings show a consistent sex difference in Old World monkeys’ 2D:4D ratio that diverges from the pattern observed in apes and humans, and suggest maternal social dominance rank modulates PAE in rhesus monkeys.
The association between fetal testosterone and violent behavior: Additional evidence using the 2D:4D digit ratio
Digit ratio (2D:4D) and handgrip strength in a Chinese population of Han ethnicity.
2D:4D Suggests a Role of Prenatal Testosterone in Gender Dysphoria
TLDR
The findings support the idea that high levels of prenatal T in natal females and low levels inNatal males play a part in the etiology of GD, and add to the evidence demonstrating the convergent validity of 2D:4D as a marker of prenatalT effects.
2D:4D ratios as an indicator of intrauterine androgen exposure in children who stutter.
Sexual Dimorphism in Titi Monkeys' Digit (2D:4D) Ratio is Associated with Maternal Urinary Sex Hormones During Pregnancy.
TLDR
The first report of sexually-dimorphic 2D:4D ratio in New World monkeys is reported, and the results support a growing literature suggesting prenatal sex hormones may modulate offspring 2D-3D ratio.
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References

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Relationships between digit ratio (2D:4D) and sex-typed play behavior in pre-school children
2D:4D ratios in the first 2years of life: Stability and relation to testosterone exposure and sensitivity
2d:4d, sex steroid hormones and human psychological sex differences
Digit ratio (2D:4D) in newborns: influences of prenatal testosterone and maternal environment.
2nd to 4th digit ratios, fetal testosterone and estradiol.
Sex hormones and finger length: What does 2D:4D indicate?
Finger bone immaturity and 2D:4D ratio measurement error in the assessment of the hyperandrogenic hypothesis for the etiology of autism spectrum disorders
Sex hormones and finger length What does 2 D : 4 D indicate ?
Much recent research has focused on the ratio of the lengths of the second to fourth manual digits (2D:4D) as a predictor of the degree of expression of sexually dimorphic and other…
Digit ratios (2D:4D), postnatal testosterone and eye contact in toddlers
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