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Dysgraphia is a neurological disorder [2] and learning disability that concerns impairments in written expression, which affects the ability to write, primarily handwriting, but also coherence. It is a specific learning disability (SLD) as well as a transcription disability, meaning that it is a writing disorder associated with impaired ...
Gerstmann syndrome. Gerstmann syndrome is a neuropsychological disorder that is characterized by a constellation of symptoms [1] that suggests the presence of a lesion usually near the junction of the temporal and parietal lobes at or near the angular gyrus. Gerstmann syndrome is typically associated with damage to the inferior parietal lobule ...
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 that involves written ...
Nonverbal learning disorder. Nonverbal learning disorder (NVLD or NLD) is a proposed category of neurodevelopmental disorder characterized by core deficits in non-verbal skills, especially visual-spatial processing. People with this condition have normal or advanced verbal intelligence and significantly lower nonverbal intelligence. [3]
Language-based learning disabilities or LBLD are "heterogeneous" neurological differences that can affect skills such as listening, reasoning, speaking, reading, writing, and math calculations. [1] It is also associated with movement, coordination, and direct attention. LBLD is not usually identified until the child reaches school age.
Orthographic Dyslexia. Orthographic dyslexia, a subtype of dyslexia, results in difficulty decoding and encoding skills due to slow and inaccurate rates of storing word and letter formations into memory. Orthographic dyslexics have difficulty in storing mental representation of words, especially phonetically irregular words such as word ...
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 ...
Pre-1900. 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, Germany. [5] Rudolf ...