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Sex Differences in Rhesus Monkeys’ Digit Ratio (2D:4D Ratio) and Its Association With Maternal Social Dominance Rank

21 Sept 2018

Abstract excerpt

Prenatal androgen exposure (PAE) plays a pivotal role in masculinizing the developing body and brain. One commonly used biomarker for PAE is the pointer-to-ring-finger digit length (2D:4D) ratio. Although this biomarker is sexually dimorphic across many primate species, data suggest that sexual dimorphism in 2D:4D ratio may be in the opposite direction in some monkey species, when compared to the pattern...

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Identifiers

PMID: 30297989
DOI: 10.3389/fnbeh.2018.00213

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 3 Sept 2026.

Related research

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Sex Differences in Rhesus Monkeys’ Digit Ratio (2D:4D Ratio) and Its Association With Maternal Social Dominance RankPMID 30297989Read ↗

2D:4D Ratio and its Implications in MedicineSemantic proximity Read ↗

Digit ratio (2D:4D) and maternal testosterone-to-estradiol ratio measured in early pregnancySemantic proximity Read ↗

Differences in digit ratios between gay men who prefer receptive versus insertive sex roles indicate a role for prenatal androgenSemantic proximity Read ↗

Digit ratio (2D:4D), dominance, reproductive success, asymmetry, and sociosexuality in the BBC Internet StudySemantic proximity Read ↗

Women with more feminine digit ratio (2D:4D) have higher reproductive successSemantic proximity Read ↗

Sexual Dimorphism in the Prenatal Digit Ratio (2D:4D)Semantic proximity Read ↗

Digit Ratio (2D:4D) and Amniotic Testosterone and Estradiol: An Attempted Replication of Lutchmaya et al. (2004)Semantic proximity Read ↗

Bonobos have a more human-like second-to-fourth finger length ratio (2D:4D) than chimpanzees: a hypothesized indication of lower prenatal androgensSemantic proximity Read ↗

Testosterone measured from amniotic fluid and maternal plasma shows no significant association with directional asymmetry in newborn digit ratio (2D:4D)Semantic proximity Read ↗

Examination marks of male university students positively correlate with finger length ratios (2D:4D).Semantic proximity Read ↗

No Correlation Between 2D:4D Ratio and Environmental Sensitivity as a Personality Trait in Young AdultsSemantic proximity Read ↗

Digit Ratio (2D:4D) in Twins: Heritability Estimates and Evidence for a Masculinized Trait Expression in Women from opposite-Sex PairsSemantic proximity Read ↗

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