1. There Are Very, Very Few of Them
You think lefties are rare? Truly ambidextrous people only make up about 1 per cent of the population. While there are more people who can use their non-dominant hand nearly as well as their dominant one, people who have no dominant hand and can use both hands with equal skill, are about 1 in 100.
2. There Are a Couple of Variations
The rarest form of ambidexterity is when people can use both hands with strong skill, all the time. These people can be called “ambidextral,” which means “pertaining equally to the right-hand side and the left-hand side.” There are other people, however, who don’t have equal skill with both hands but who use their right hands for some things and their left hands for others. Another term altogether, “ambisinistral,” refers to people who have no dominant hand, and use both hands…but neither hand is very strong. As Mental Floss puts it, both hands have the approximate skill of a right-hander’s left hand.
3. It’s All in Your Head
Ambidexterity indicates that the left and right sides of that person’s brain are pretty much symmetrical (which is true for lefties, too!) On the other hand, right-handed people tend to be left-brain dominant.
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