Digit ratio - Wikipedia
The digit ratio is the ratio taken of the lengths of different digits or fingers on a hand. 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.
5 Things a Man's Finger Length Says About Him | Live Science
2015年2月21日 · Men with small digit-ratios (shorter index fingers relative to ring fingers) engaged in roughly a third more agreeable behaviors toward women, and a third fewer quarrelsome ones, than men with...
Digit Ratio: How to Measure It & What it Says about Your ...
To calculate your digit ratio, simply divide the length of your index finger (“2D”) by that of your ring finger (“4D”) as follows: Index Finger Length / Ring Finger Length = Digit Ratio. Or, to express the same thing using different terminology:
Talk to the hand. Scientists try to debunk idea that finger ...
2019年6月6日 · But for now, skeptics and advocates of 2D:4D ratios seem to be talking past one another. Researchers who rely on the ratio aren't publishing their studies in Hormones and Behavior, but they are publishing. More than 20 papers using …
The Neuroscience of Finger Length Ratio and Athletic Prowess
2016年10月14日 · The digit ratio 2D:4D refers to the difference in length between the second digit (index) and fourth digit (ring) fingers. This ratio is calculated by dividing the length of the index finger of...
2D:4D Ratio and its Implications in Medicine - PMC
2016年12月1日 · Digit ratio is the ratio of length of different digits or fingers typically measured from the mid-point of bottom crease where the fingers join the hands to the tip of the fingers. However, most commonly, digit ratios indicate only 2D (index finger):4D (ring finger) ratios .
Finger Length Predicts Health and Behavior - Discover Magazine
2020年4月17日 · A high digit ratio — those with very little difference between the index and ring finger, or with a longer index finger — was found among men with oral cancer, compared with men with pre-cancerous oral lesions or no lesions, according to one all-male study.
Digit Ratio (2D:4D) Calculator: Meaning & Prenatal ...
The digit index ratio, or 2D:4D ratio, measures the length of a person’s index finger (2D) divided by their ring finger (4D). Influenced by prenatal androgen exposure, this ratio varies among individuals.
Finger Length (Digit) Ratio - 23andMe
2018年10月21日 · Is your index finger longer than your ring finger, or vice versa? Learn more about what may influence your finger length ratio.
Digit ratio and personality and individual differences.
Digit ratio is, in general, stable in postnatal growth but with a tendency to increase, with right 2D:4D showing the greatest stability. Much of the sex difference in 2D:4D resides in the bones of the fingers, giving stability to the trait.
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