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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 ...
The rapid auditory processing theory is an alternative to the phonological deficit theory, which specifies that the primary deficit lies in the perception of short or rapidly varying sounds. Support for this theory arises from evidence that people with dyslexia show poor performance on a number of auditory tasks, including frequency ...
The second deficit may be located at the level of the output lexicon. This is because patients are able to recognize the semantic meaning of irregular words even if they pronounce them incorrectly in spoken word. This suggests the visual word form system and semantics are relatively preserved. The third deficit is likely related to semantic ...
Phonological processing skills make up the ability to identify and manipulate sounds in speech. Rapid automatized naming compose the ability to translate visual information whether of letters, objects or pictures into a phonological code.
Examples of these issues can be problems speaking in full sentences, problems correctly articulating Rs and Ls as well as Ms and Ns, mixing up sounds in multi-syllabic words (ex: aminal for animal, spahgetti for spaghetti, heilcopter for helicopter, hangaberg for hamburger, ageen for magazine, etc.), problems of immature speech such as "wed and ...
[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] Studies have shown that dyslexia is genetic and can be passed down through families.
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 ...
In the 1970s, a hypothesis emerged that dyslexia stems from a deficit in phonological processing, or difficulty in recognizing that spoken words are formed by discrete phonemes, for example, that the word CAT comes from the sounds [k], [æ], and [t]. As a result, affected individuals have difficulty associating these sounds with the visual ...