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Dyslexia, previously known as word blindness, is a learning disability that affects either reading or writing. Different people are affected to different degrees. Problems may include difficulties in spelling words, reading quickly, writing words, "sounding out" words in the head, pronouncing words when reading aloud and understanding what one ...
[1] However identity-first language, as in "autistic person" or "deaf person", is preferred by many people and organizations. [2] Language can influence individuals' perception of disabled people and disability. [3] Views vary with geography and culture, over time, and among individuals.
Letter addition/subtraction - People with dyslexia may perceive a word with letters added, subtracted, or repeated. This can lead to confusion between two words containing most of the same letters. Highly phoneticized spelling - People with dyslexia also commonly spell words inconsistently, but in a highly phonetic form, such as writing "shud ...
Dyslexia that develops due to a traumatic brain injury, stroke, or dementia is sometimes called "acquired dyslexia" [1] or alexia. [3] The underlying mechanisms of dyslexia result from differences within the brain's language processing. [3] Dyslexia is diagnosed through a series of tests of memory, vision, spelling, and reading skills. [4]
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.
Deep dyslexia is considered to be a "central dyslexia" as compared to a "peripheral dyslexia". Peripheral dyslexics have difficulty matching the visual characteristics of letters that comprise a word to a stored memory of this word from prior encounters. [4] Central dyslexics are unable to properly match the visual word to the word's meaning. [4]
For these dyslexic readers, learning to decode words may take a long time—indeed, in the deepest orthographies a distinctive symptom of dyslexia is the inability to read at the word level—but many dyslexic readers have fewer problems with fluency and comprehension once some level of decoding has been mastered.
When confronted with the word "diamond", they may understand it as "sapphire", "shiny" or "diamonds"; when asking for a bus ticket, they may ask for some paper or simply "a thing". Semantic dementia (SD) is a degenerative disease characterized by atrophy of anterior temporal regions (the primary auditory cortex; process auditory information ...