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Dyslexia is a disorder characterized by problems with the visual notation of speech, which in most languages of European origin are problems with alphabet writing systems which have a phonetic construction. [1] Examples of these issues can be problems speaking in full sentences, problems correctly articulating Rs and Ls as well as Ms and Ns ...
Dyslexia. Dyslexia, previously known as word blindness, is a learning disability ('learning difficulty' in the UK [ 6]) that affects either reading or writing. [ 1][ 7] Different people are affected to different degrees. [ 3] Problems may include difficulties in spelling words, reading quickly, writing words, "sounding out" words in the head ...
Pre-1900. Adolph Kussmaul. The concept of "word-blindness" ( German: "wortblindheit"), as an isolated condition, was first developed by the German physician Adolph Kussmaul in 1877. [ 1][ 2] Identified by Oswald Berkhan in 1881, [ 3] the term 'dyslexia' was later coined in 1887 by Rudolf Berlin, [ 4] an ophthalmologist practicing in Stuttgart ...
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.
Definition. The National Institute of Neurological Disorders and Stroke defines reading disability or dyslexia as follows: "Dyslexia is a brain-based type of learning disability that specifically impairs a person's ability to read. These individuals typically read at levels significantly lower than expected despite having normal intelligence.
Learning disability, learning disorder, or learning difficulty (British English) is a condition in the brain that causes difficulties comprehending or processing information and can be caused by several different factors. Given the "difficulty learning in a typical manner", this does not exclude the ability to learn in a different manner.
Dyslexia does not affect general intelligence, but is often co-diagnosed with ADHD. [1] [2] There are at least three sub-types of dyslexia that have been recognized by researchers: orthographic, or surface dyslexia, phonological dyslexia and mixed dyslexia where individuals exhibit symptoms of both orthographic and phonological dyslexia. [3]
Neurodevelopmental disorders are a group of mental conditions affecting the development of the nervous system, which includes the brain and spinal cord. According to the American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, ( DSM-5) published in 2013, these conditions generally appear in early ...