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The cause of deep dyslexia is damage in the left hemisphere of the brain. Deep dyslexia is usually classified as an acquired reading disorder, as opposed to a developmental dyslexia, in previously literate adults as a consequence of a brain injury. [2] [21] [10] [4] However, recently, developmental deep dyslexia has also been reported in ...
Dyslexia is divided into developmental and acquired forms. [16] Acquired dyslexia occurs subsequent to neurological insult, such as traumatic brain injury or stroke. People with acquired dyslexia exhibit some of the signs or symptoms of the developmental disorder, but require different assessment strategies and treatment approaches. [17]
Although the disorder varies from person to person, common characteristics among people with dyslexia are difficulty with spelling, phonological processing (the manipulation of sounds), and rapid visual-verbal responding. In adults, dyslexia usually occurs after a brain injury or in the context of dementia.
Dyslexia is a brain-based learning disorder "that affects how people process written language, especially when it comes to reading, writing and spelling," explains Jimmy Noorlander, a licensed ...
What is important about these arteries is their location. All of them supply blood to the back outer parts of the brain. [11] This part of the brain is also referred to as the posterior lateral part of the brain. In cases of pure alexia, locations are found in the section of the brain, specifically the temporo-occipital area. [10]
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 ...
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.
Phonological dyslexia is a reading disability that is a form of alexia (acquired dyslexia), [1] resulting from brain injury, stroke, or progressive illness and that affects previously acquired reading abilities. The major distinguishing symptom of acquired phonological dyslexia is that a selective impairment of the ability to read pronounceable ...
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