Dyslexia Theories And Treatments Essay

1618 words - 6 pages

DyslexiaTheoriesand TreatmentsDyslexia is not an illness or disease it is a brain-based disorder that causes problems for people when reading, writing, spelling, doing math complications, speaking, and even listening. The core of dyslexia is people with it have phonological awareness difficulty, meaning the brain's inability to translate images from the eyes completely and correctly to the ears and mouth, or the ability to understand that spoken language is made up of sound units.To understand dyslexia you must be aware of the causes, effects, strategies, and teaching methods for coping with the disease. Dyslexia means having difficulty with words in reading, spelling and writing - in spite of having normal intelligence and ability.The word dyslexia was first mentioned in 1887 by a professor by the name of R. Berlin. Scientists to this day are still unsure on what causes dyslexia, although they have a good idea of some of the factors that could have something to do with dyslexia.One cause of dyslexia is thought to have a genetic component. For example, it is common for a child who has been identified as having dyslexia to also have one or more relatives who also have learning difficulties. Dr. Larry Cardon, a statistical geneticist, found evidence that "a gene for dyslexia sits on chromosome number six, which is one of the twenty-three.With the technical advances that have come about in brain-scanning in recent years, a lot of research has been carried out examining the brains of dyslexic people.The brains of dyslexic children show an unusual variation in left- and right-side activity. Recent research has found that, whereas non-dyslexic children use the left side of their brain for language work, dyslexic children have to use the right side as well. This is not the side of the brain that is wired for language work, and, as a result, the brains of dyslexic children and adults have to work about six times harder. This may be why dyslexic children and adults become fatigued by language work and dealing with text.Dr. Sally Shaywitz, a researcher at the Yale University of Medicine showed in 1998 that areas in the back of the brain that are usually activated when readers sounded out words are significantly less activated in dyslexics' brains. Moreover, areas in the front of the brain displayed more activity in dyslexics' brains than in the brains of normal readers.Dyslexia can occur at any level of intellectual ability. It is not the result of poor motivation, emotional disturbance, sensory impairment or lack of opportunities, but it may occur alongside any of these.Children with dyslexia give many signs to help identify them. Some of the clues include, from being uncertain of which is left and right to being unable to read a map accurately.Directional confusion is the reason for reversing of letters, whole words or numbers, or for so-called mirror writing. The following symptoms indicate directional confusion:The dyslexic may reverse letters like b...

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