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Posted December 13, 1999
MAIN IDEAS This book has many various ideas that it is trying to get across- One of these ideas is that left handedness does have social, educational, medical, and psychological implications- It states that left-handedness is causing people to think differently from right-handers. It talks about how our world is meant for right-handers, and is a horrible place for a left-hander to be. The book talks about how, because of their being left handed, they are more accident prone. It talks about how we, ourselves, must deal with each other being left or right handed. The theory that is being studied is clearly outlined is to if left-handers have social, educational, medical and psychological differences from the overpowering percentage of right-handers. Also, what are the neuropsychological and behavioral implications of differences for left-handers, as well as for their parents, teachers, spouses, children, counselors, and physicians? How can we determine our own patterns of sidedness? Are they encoded in our genes? And very importantly, how can we make the world more comfortable and safer for those who are left handed? In recent decades, researchers have been able to show that left-handedness is more than a minor difference, and that left-handers are, as it turns out, truly different from right-handers in many ways. They suffer more from a variety of physical and psychological problems. They may even die as many as nine years before right-handers. Furthermore, left-handers are 89% more likely to be it injured in accidents than right-handers. The book shows, however, that left-handers may be more intelligent and creative in some areas of the brain. For instance, left-handers tend to have better spatial ability, and an unusually large number of famous artists, as well as chess masters, have been left-handed. ABOUT THE AUTHOR Stanley Coren is an international authority on sidedness. He is a professor of psychology at the University of British Columbia. He has done other work on the psychology of visual illusions. He has also done some work in the area of sensation and perception. Coren has spent most of his career researching the different parts of the brain and how they work in separate situations. RESEARCH Intellect There are several different types of research methods used in the book. Through laboratory studies and experiments in logic, it was determined that in a Mental Rotation test, a test in which the subject must determine the original test item from pictures that have been rotated, that a left-handed person is more apt to be able to do this kind of work faster and more accurately than a right-handed person. With this generalization, it is believed that left-handed people are: more creative, smarter, fantasy prone, lovers of music, and have better emotional expression. Like Rathus, the author believes that the left hemisphere is more learned, and the right hemisphere is more creative. Sidedness It has been determined through a survey of 5177 people, that the percentage of left-handed people drop from about 14% at the age of 10 to about 1% of the population of 80 year olds. This test was done randomly through the country and has had similar results at other universities around the world. The percentage of adult left-handers has remained approximately the same over a period of nearly 70 years and the strictness or permissiveness of society has not had much on an influence on left-handers over recent history. In the past 5000 years, many pieces of artwork have been created. From the hieroglyphics of Egypt, to the wall painting of cavemen, to the present day murals, many hands have been shown. Right-handedness has never dropped below 85% in paintings over about the past 50 centuries. About 2000 Canadian Families in the immediate area of the University were interviewed over a period of three years. In the families, the mother, father, and at least one child wWas this review helpful? Yes NoThank you for your feedback. Report this reviewThank you, this review has been flagged.