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Dyslexia is a brain-based learning disorder "that affects how people process written language, especially when it comes to reading, ... While exact causes are not thoroughly defined, we do know ...
Dyslexia was clinically described by Oswald Berkhan in 1881, [35] but the term dyslexia was coined in 1883 by Rudolf Berlin, an ophthalmologist in Stuttgart. [ 115 ] [ 116 ] [ 117 ] He used the term to refer to the case of a young boy who had severe difficulty learning to read and write, despite showing typical intelligence and physical ...
The phonological deficit hypothesis is a prevalent cognitive-level explanation for the cause of reading difficulties and dyslexia. [1] It stems from evidence that individuals with dyslexia tend to do poorly on tests which measure their ability to decode nonsense words using conventional phonetic rules, and that there is a high correlation between difficulties in connecting the sounds of ...
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 ...
Whether you're a parent, grandparent or educator, here's what to know.
The cerebellar theory of dyslexia asserts that the cause of dyslexia is an abnormality in the cerebellum (a region in the back of the brain), which in turn cause disruption in normal development, which causes issues with motor control, balance, working memory, attention, automatization, and ultimately, reading.
Dyslexia is a common language-based learning disability. Dyslexia can affect reading fluency, decoding, reading comprehension, recall, writing, spelling, and sometimes speech and can exist along with other related disorders. [15] The greatest difficult those with the disorder have is with spoken and the written word.
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.
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