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Left-handedness is less common. Studies suggest that approximately 10% of people are left-handed. [7] [15] Ambidexterity refers to having equal ability in both hands. Those who learn it still tend to favor their originally dominant hand. This is uncommon, with about a 1% prevalence. [16]
The identification of rare mutations in this gene that are more common in left-handers suggests that microtubules are involved in setting up the brain's normal asymmetries, Francks said.
A left-handed shooter must either purchase a left-handed or ambidextrous firearm (which are manufactured in smaller numbers and are generally more expensive and/or harder to obtain), shoot a right-handed gun left-handed (which presents certain difficulties, such as the controls being improperly located for the left hand or hot shell cases being ...
There has been a fair amount of research that associates left-handedness with the likelihood of psychotic disorders like schizophrenia.
An older study found that left-handed people were better at "divergent thinking", and a more recent research cites lefties have better working memories and mental flexibility. 5. Don't get too ...
Language functions such as grammar, vocabulary and literal meaning are typically lateralized to the left hemisphere, especially in right-handed individuals. [7] While language production is left-lateralized in up to 90% of right-handers, it is more bilateral, or even right-lateralized, in approximately 50% of left-handers. [8]
If the parents are both right-handed, in dizygotic and monozygotic twins there is a 21% chance of one being left-handed. If one parent is left-handed, in DZ and MZ twins there is a 57% chance of one being left-handed. If both parents are left-handed, it is almost certain one twin will be left-handed. [citation needed]
Left-handed people, who account for roughly 10% of the world's population, experience distinct challenges, benefits, and quirks of daily life that most right-handed people usually never even consider.