Dyslexia and the Language Connection

An Overview of the Specific Brain Functions Involved

By Christine Cadena, published Dec 21, 2006
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Dyslexia is described as a neurological, hereditary condition in which a child has an impaired or grave difficulty in basic academic functions such as reading and writing. When tested, dyslexic children, on intelligence level testing, will exhibit average to above average intelligence. As parents raising a child who suffers from dyslexia, remaining on the cutting edge of scientific discoveries will ensure the dyslexic child is provided with the most current and most valuable treatment plans available.

Symptoms of a dyslexic child will often present, initially, as an inability to pronounce words correctly. With a basic phonetic deficit, children who are dyslexic often possess the motivation to speak but find great difficulty in processing and receiving language. As a result, many dyslexic children will present as shy and embarrassed to speak in public and may be misdiagnosed or under diagnosed by an educator or pediatrician.

On MRI diagnostic examination, dyslexic children will exhibit larger right hemisphere brain size which may, in part, attribute to the dyslexic child's ability to process spatial reasoning more readily than that of non-dyslexic children. As a result, dyslexic children are, for the most part, gifted in areas of mathematics and technical reasoning but lack in reading and spelling.

In recent scientific research, studies have shown dyslexic children co morbidly possess a deficit in the visual acuity and processing areas of the brain. While there may be a deficit in the visual mechanics of the eyes, an increasing number of dyslexic children are also suffering from a disorder in the area of the brain responsible for visual perception and interpretation.

Dyslexia and the Language Connection

Dyslexia is not a deficit in intelligence and, instead is a disorder characterized by the inability to understand and respond to written and spoken language.

Credit: Christine Cadena

Copyright: Christine Cadena

Takeaways
  • Dyslexia is described as a neurological, hereditary condition in which a child has an impaired or grave difficulty in basic academic functions such as reading and writing
  • Symptoms of a dyslexic child will often present, initially, as an inability to pronounce words correctly
  • Of significant interest to researchers of dyslexia, is the area in the back of the brain known as the angular gyrus
Did You Know?
On MRI diagnostic examination, dyslexic children will exhibit larger right hemisphere brain size which may, in part, attribute to the dyslexic child's ability to process spatial reasoning more readily than that of non-dyslexic children.
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