Neurology Now

Neurology Now:
doi: 10.1097/01.NNN.0000405022.63661.75
Departments: Resource Central

Dyslexia: The Basics

Farley, Todd

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▸ Dyslexia is an impairment in the brain's ability to translate written language into meaningful language. It interferes with reading comprehension, although the people affected usually have normal vision and normal intelligence.

▸ Dyslexia is the most common learning disability in children. It occurs in 5 to

20 percent of the population. Equal numbers of boys and girls are affected.

▸ Dyslexia is a chronic and persistent condition.

▸ No test exists yet that can give a definitive diagnosis of dyslexia. Currently, a diagnosis of dyslexia is best made by an experienced clinician after taking a medical history and observing the person reading.

▸ Some combination of genetic and environmental issues is believed to lead to dyslexia.

▸ Treatments for dyslexia include educational tools like reading remediation programs and smaller class sizes.

More information about dyslexia can be found at the Web site of the National Institute of Neurological Disorders and Stroke:

©2011 American Academy of Neurology

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