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The most commonly studied digit ratio is that of the 2nd (index finger) and 4th (ring finger), also referred to as the 2D:4D ratio, measured on the palm side. It is proposed that the 2D:4D ratio indicates the degree to which an individual has been exposed to androgens during key stages of fetal development. A lower ratio has been associated ...
There is also evidence against this theory. For example, one possible biomarker for prenatal testosterone's effect on the brain is a low ratio of the second to fourth finger (the 2D:4D ratio), which has been found to be associated with several male-specific psychological factors. A significantly lower 2D:4D ratio than the general population has ...
The 2D;4D finger ratio, or relative lengths of the 2nd "index" and 4th "ring" fingers, has become a popular measure of prenatal androgen because of accumulated evidence suggesting the 2D;4D ratios are related to prenatal exposure to testosterone. [56]
Various somatic markers (including 2D:4D finger ratios, auditory evoked potentials, fingerprint patterns and eye-blink patterns) have since been found to show variation based on sexual orientation in healthy adult individuals. [3]
These may also use other aspect ratios by cropping otherwise black bars at the top and bottom which result from cinema aspect ratios greater than 16∶9, such as 1.85 or 2.35 through 2.40 (dubbed "Cinemascope", "21∶9" etc.), while the standard horizontal resolution, e.g. 1920 pixels, is usually kept.
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Facial width to height ratio (fWHR) is a measure of the width of a person’s face compared to its height. [1] Research has shown that higher FWHR is associated with various physical and behavioral traits, such as adolescent testosterone, [ 2 ] aggression , [ 3 ] attractiveness to women, [ 4 ] cause of death by violence, [ 5 ] CEO success as ...
2 comments Toggle Correlation between digit ratio and traits subsection. 6.1 About "High digit ratio linked to Asperger's syndrome" 6.2 Penile length. 7 Need for help.