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3–7% [2][5] 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 ...
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.
The prognosis for childhood dementia is generally poor, with most children experiencing a significant decline in cognitive and motor function. Life expectancy varies depending on the underlying cause, but it is often significantly reduced. Studies show that only 25–29% of affected individuals survive to adulthood, and only 10% reach the age ...
The CDC said 1.7% of adults ages 65 to 74 reported a dementia diagnosis, a rate that increased with age. For those ages 75 to 84, the reported dementia rate was 5.7%
Learning about the dementia stages can help caregivers track and monitor stage-related symptoms to identify a loved one’s brain-health status. The seven stages of dementia include: Stage 1: No ...
Developmental disability. Developmental disability is a diverse group of chronic conditions, comprising mental or physical impairments that arise before adulthood. Developmental disabilities cause individuals living with them many difficulties in certain areas of life, especially in "language, mobility, learning, self-help, and independent ...
Pure alexia. Pure alexia, also known as agnosic alexia or alexia without agraphia or pure word blindness, is one form of alexia which makes up "the peripheral dyslexia" group. [1] Individuals who have pure alexia have severe reading problems while other language-related skills such as naming, oral repetition, auditory comprehension or writing ...
Specialty. Neurology. Disorder of written expression is a type of learning disability in which a person's writing ability falls substantially below normally expected range based on the individual's age, educational background, and measured intelligence. Poor writing skills must interfere significantly with academic progress or daily activities ...