It is well known that adults whose index finger is shorter than their ring finger were exposed to greater amount of testosterone when they were in the womb. Fingers may play a key role to play in accessing a woman's anxiety levels as well as athletic abilities, research by neuroscientists has revealed.
Testosterone play an important role in the study of accessing the relationship between the index finger and the ring finger to see how much testosterone a person was exposed to while in the womb, explained Carl Pintzka, a researcher at the Norwegian Competence Service for Functional MRI. People with index finger shorter than their ring finger are known to be exposed to more testosterone, thus enhancing their physical and athletic abilities, but leaving them exposed to attention deficit hyperactivity disorder(ADHD) and Tourette's syndrome.
The theory was tested on a group of 42 women, looking out for the importance of finger length and brain functioning. These women's fingers were measured, Pintzka administered a drop of testosterone to half, while the other half was placed on placebo. The women were then given a number of mental tasks to solve.
"The greatest effects has been found for various physical and athletic measures, where high levels of parental testosterone are consistently linked with better capabilities," Pintzka said in a statement. " Beyond this we find a number of uncertain results, but a general feature us that high levels of testosterone generally correlate with superior abilities on tasks that men usually perform better, such as various spatial task like directional sense."
"The women who scored best on the mental rotation tasks had high levels of testosterone both prenatally and in their adult lives, while those who scored worst had low levels in both," Pintzka said. Conditions like anxiety and depression are associated with low levels of testosterone, making them more common in women.
Pintzka remains wary of giving definite conclusions as further study is required in the field.