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Surface dyslexia is characterized by subjects who can read known words but who have trouble reading words that are irregular. [23] Phonological dyslexia is characterized by subjects who can read aloud both regular and irregular words but have difficulties with non-words and with connecting sounds to symbols, or with sounding out words.
In the preschool years, a family history of dyslexia, particularly in biological parents and siblings, predicts an eventual dyslexia diagnosis better than any test. [95] In primary school (ages 5–7), the ideal screening procedure consists of training primary school teachers to carefully observe and record their pupils' progress through the ...
The Dyslexia Myth is a documentary that first aired in September 2005 as part of the Dispatches series produced by British broadcaster Channel 4. [56] Focusing only on the reading difficulties that people with dyslexia encounter the documentary says that myths and misconceptions surround dyslexia.
Dyslexia is believed to be caused by the interaction of genetic and environmental factors. Some cases run in families. Dyslexia that develops due to a traumatic brain injury, stroke, or dementia is sometimes called "acquired dyslexia" or alexia. The underlying mechanisms of dyslexia result from differences within the brain's language processing ...
dyslexia, written language learning disability [1] Dysgraphia is a neurological disorder [2] ... Family history of specific learning disabilities may play a role.
Dyslexia is a learning difficulty that primarily affects the skills involved in accurate and fluent word reading and spelling. Characteristic features of dyslexia are difficulties in phonological awareness, verbal memory and verbal processing speed. Dyslexia occurs across the range of intellectual abilities.
By 1986 Levinson had treated more than 8,000 patients with dyslexia, and reported a success rate of between 75% and 80%. [10] He had also studied more than 20,000 patients in total. One of the additional psychological problems Levinson determined was associated with the same brain disorder is the rise of adult phobias. [ 11 ]
The causes of dyslexia are not agreed upon, although the consensus of neuroscientists believe dyslexia is a phonological processing disorder and that dyslexics have reading difficulties because they are unable to see or hear a word, break it down to discrete sounds, and then associate each sound with letters that make up the word.