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Chinese children dyslexia often have both a visuospatial and phonological disorder which are independent of one another. This implies that unlike alphabetic orthographies where only a phonological or visuospatial disorder alone can cause dyslexia, Chinese children must suffer from both disorders for dyslexia to manifest.
Children with developmental dysphasia, developmental dysgraphia and developmental dyslexia may be more likely to have family members with one of these conditions. [15] Genetic studies suggest that verbal executive function tasks, orthographic skills, and spelling ability may have a genetic basis.
In dyslexia, dysgraphia is often multifactorial, due to impaired letter-writing automaticity, organizational and elaborative difficulties, and impaired visual word forming, which makes it more difficult to retrieve the visual picture of words required for spelling.
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.
In the United States, researchers estimate the prevalence of dyslexia to range from three to ten percent of school-aged children, though some have put the figure as high as 17 percent. [ 9 ] [ 10 ] Recent studies indicate that dyslexia is particularly prevalent among small business owners, with roughly 20 to 35 percent of US and British ...