Digit Ratios, Finger Length, and Basic Musical Abilities
نویسندگان
چکیده
منابع مشابه
Finger Length Ratios in Serbian Transsexuals
Atypical prenatal hormone exposure could be a factor in the development of transsexualism. There is evidence that the 2nd and 4th digit ratio (2D:4D) associates negatively with prenatal testosterone and positively with estrogens. The aim was to assess the difference in 2D:4D between female to male transsexuals (FMT) and male to female transsexuals (MFT) and controls. We examined 42 MFT, 38 FMT,...
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The 2D:4D (second to fourth digit) ratio is thought to be a measure of prenatal testosterone exposure, and has been linked to traits such as aggression, sexual tendencies, and verbal/spatial intelligence. Fluctuating Asymmetry (FA) refers to deviation from bilateral symmetry caused by environmental problems during ontogeny. This study further examines the relationship between these factors. Par...
متن کاملSexual Dimorphism in Digit Ratios Derived from Dorsal Digit Length among Adults and Children
Sexual dimorphism in ventrally measured digit ratios (2D:4D and other) has been related to prenatal sex-hormone levels. In the present series of three studies, we measured all digit lengths (excluding the thumb) on the dorsal, rather than the ventral, side of left and right hands and investigated the sexual dimorphism in digit ratios in three independent samples, two of them comprising adults (...
متن کاملSexual dimorphism in digit-length ratios of laboratory mice.
The lengths of the index finger (2D) and ring finger (4D) are sexually dimorphic in humans, and men have a smaller 2D:4D ratio compared to women. Prenatal androgens appear to be important in the development of the 2D:4D sex difference, since it has been reported in children as young as 2 years old, and since humans exposed to supernormal prenatal androgen levels display a smaller 2D:4D ratio. W...
متن کاملPopulation differences in finger-length ratios: ethnicity or latitude?
The relative length of the second and fourth fingers (the 2D:4D ratio) has been taken to be an indicator of prenatal exposure to testosterone, and hence possibly relevant to sexual orientation and other sex-differentiated behaviors. Studies have reported a difference in this ratio between Caucasian males in Britain and in the U.S.: higher average 2D:4D ratios were obtained in Britain. This rais...
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ژورنال
عنوان ژورنال: Psychologica Belgica
سال: 2009
ISSN: 2054-670X,0033-2879
DOI: 10.5334/pb-49-1-1