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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 reads. [3] [7] Often these difficulties are first noticed at school. [2] The difficulties are involuntary, and people with this disorder have a normal desire to ...
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.
Spelling errors — Because of difficulty learning letter-sound correspondences, individuals with dyslexia might tend to misspell words, or leave vowels out of words. Letter order - People with dyslexia may also reverse the order of two letters, especially when the final, incorrect, word looks similar to the intended word.
There is a regularity effect associated with lexical agraphia in that individuals are less likely to correctly spell words without regular, predictable spellings. [2] Additionally, spelling ability tends to be less impaired for common words. [2] Individuals also have difficulty with homophones. [2]
Dysgraphia can be difficult to diagnose because the handwriting starts out clear and slowly degrades, making the writer falsely appear lazy. Motor dysgraphia (sometimes called peripheral dysgraphia) [16] is due to deficient fine motor skills, poor dexterity, poor muscle tone or unspecified motor clumsiness.
A speech impairment is characterized by difficulty in articulation of words. Examples include stuttering or problems producing particular sounds. Articulation refers to the sounds, syllables, and phonology produced by the individual. An example may include substituting one sound for another or leaving out sounds.
Additionally, children show a greater difficulty throughout schooling when spelling words with irregular or unusual orthographies when compared to their other children. Research also shows that dyslexic children have primary difficulties in phonological processing and secondary difficulties in orthographic processing, aiding to the distinction ...
Aphasia, also known as dysphasia, [a] is an impairment in a person’s ability to comprehend or formulate language because of damage to specific brain regions. [2] The major causes are stroke and head trauma; prevalence is hard to determine, but aphasia due to stroke is estimated to be 0.1–0.4% in developed countries. [3]