What is special about being left handed

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what is special about being left handed

Lefties: The Origins & Consequences of Being Left-Handed by Jack Fincher

Jack the Ripper and the Boston Strangler were left-handed. So were Leonardo da Vinci and Marilyn Monroe. Today every lefty knows that being left-handed is a sign of special genius and a nuisance in a world geared—from handshakes to scissors—to the right-handed. This informative volume examines every aspect of left-handedness, from its causes and historical attitudes toward it, to the latest scientific theories about what it represents.

For on the largest minority groups in the land, Lefties is a lively, comprehensive guide to the facts and new findings, legend, and lore of the so-called sinister people.
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Published 05.12.2018

Why are some people left-handed? - Daniel M. Abrams

Daydream believer. Lefties make up only about 10 percent of the population, but studies find that individuals who are left-handed score higher when it comes to.
Jack Fincher

What’s so special about left-handers?

By Amanda MacMillan, Health. But aside from making it tough to cut a straight line with a pair of scissors designed for righties, being a southpaw can also have some subtle effects on our physical and mental health. Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. Photos: Famous left-handers. Barack Obama is the latest in a string of left-handed U.

Plato and Aristotle puzzled over left-handers, as did Charles Darwin. What determines "handedness"? Why are only 10 percent of us left-handed Why are only 10 percent of us left-handed, and why did the ratio seem to change over the past century? Are lefties somehow different — less healthy, more creative? With brain scanning and the latest genetic technology, scientists are finally starting to crack the mysteries.

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Why Are Some People Left-Handed?

In human biology , handedness is a better, faster, or more precise performance or individual preference for use of a hand, known as the dominant hand ; the incapable, less capable or less preferred hand is called the non-dominant hand. There are several theories of how handedness develops in individual humans. Occurrences during prenatal development may be important; researchers studied fetuses in utero and determined that handedness in the womb was a very accurate predictor of handedness after birth. One common theory as to how handedness affects the hemispheres is the brain hemisphere division of labor. Since speaking and handiwork require fine motor skills, its presumption is that it would be more efficient to have one brain hemisphere do both, rather than having it divided up. Since in most people, the left side of the brain controls speaking, right-handedness predominates. This theory also predicts that left-handed people have a reversed brain division of labor.

As child educational psychologist, author, and former UCLA associate professor Charlotte Reznick, PhD who is left-handed herself explains, this fragment of the population sees the world through a unique lens. At first writing was difficult for me until a teacher put my pencil in my other hand—and poof! I took off scribbling. That makes left-handers more flexible in the office and fast to react. One way to look at the contrast between lefties and righties, according to psychologist Yvonne Thomas, PhD, is how they approach problem solving. While those on the right might apply logical solutions to an issue, she explains that lefties have the innate ability to come up with several options, as opposed to just one black-and-white route. Reznick has experienced this personally, explaining she often sees or feels the general idea of the task at hand, rather than needing to break down an issue into specific, tangible parts.

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