Finger length ratios (2D
(4D) in anthropoids implicate reduced prenatal androgens in social bonding
Bibliographic Data
| ID | 8317873 |
|---|---|
| Authors | Emma Nelson (0000-0002-6302-3352, University of Liverpool, corresponding author), Susanne Shultz (0000-0002-7135-4880, University of Liverpool) |
| Year | 2010 |
| Volume | 141 |
| Issue | 3 |
| Pages | 395-405 |
| Publication date | 2010-03-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | American Journal of Physical Anthropology (JOURNAL) |
| Journal identifiers | ISSN: 0002-9483 • E-ISSN: 1096-8644 |
| Publisher | Wiley (PUBLISHER • GB) |
| DOI | 10.1002/ajpa.21157 |
| PMID | 19862809 |
| OpenAlex | W2109994816 |
| Language | EN |
| Citations received | 9 |
| References cited | 101 |
The second‐to‐fourth digit ratio (2D:4D) has been proposed as a biomarker reflecting prenatal androgen effects (PAE), such that individuals with lower ratios have experienced higher PAE than those with higher ratios. 2D:4D has been correlated with a number of sex‐linked traits in humans such as aggression, promiscuity, and competitiveness. In addition, polygynous societies reportedly have lower 2D:4D (higher PAE) than more monogamous populations. This evidence suggests that PAE may be implicated in the development of sexually selected behaviors in humans. To place 2D:4D research into a broader context, we test the relationship between digit ratios and behavior across nonhuman anthropoids; polygynous species, with higher levels of intrasexual competition, should have more pronounced markers of PAE (lower 2D:4D) than pair‐bonded species. Our results accord with those found in humans: 2D:4D is lower in polygynous species and higher (lower PAE) in pair‐bonded species. Old World monkeys have low, and relatively invariant 2D:4D (high PAE), which is coupled with high levels of intrasexual competition. This contrasts with higher and more variable ratios in both great apes and New World monkeys. In addition, both male and female ratios decrease with increasing levels of intrasexual competition. Human ratios are intermediate between pair‐bonded and more promiscuous hominoids. We propose that PAE may be involved in promoting species characteristic social behavior in anthropoids. Am J Phys Anthropol, 2010. © 2009 Wiley‐Liss, Inc
Aggression · Agonistic behaviour · Androgen · Biology · Competition (biology) · Context (archaeology) · Developmental psychology · Digit ratio · Evolutionary biology · Juvenile · Marmoset · Polygyny · Population · Promiscuity · Sexual selection · Testosterone (patch) · Zoology · Demography · Ecology · Endocrinology · Evolutionary Psychology and Human Behavior · Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities · Psychology · Sexual Differentiation and Disorders
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| Unique citing works | 9 |
|---|---|
| Citations per year | 0,64 |
| Citation span | 2012 - 2026 (15) |
| Citation velocity | current |
| Highly cited | No |
| Citation types | Neutral: 8 |