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In 1987, it was estimated that 598,000 people in the United States met the legal definition of blindness. [86] Of this number, 58% were over the age of 65. [ 86 ] In 1994–1995, 1.3 million Americans reported legal blindness.
These variants of visual agnosia include prosopagnosia (inability to recognize faces), pure word blindness (inability to recognize words, often called "agnosic alexia" or "pure alexia"), agnosias for colors (inability to differentiate colors), agnosias for the environment (inability to recognize landmarks or difficulty with spatial layout of an ...
Dyslexia, previously known as word blindness, is a learning disability that affects either reading or writing. [ 1 ] [ 6 ] 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 , pronouncing words when reading aloud and ...
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The Road House star, 43, recently spoke to The Hollywood Reporter about how he's used his legal blindness in his acting. Gyllenhaal has been wearing intensive corrective lenses since he was about ...
Adolph Kussmaul. 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]
The mechanism to represent and process non-symbolic magnitude (e.g., number of dots) is often known as the "approximate number system" (ANS), and a core deficit in the precision of the ANS, known as the "magnitude representation hypothesis" or "number module deficit hypothesis", has been proposed as an underlying cause of developmental dyscalculia.
Jake Gyllenhaal is opening up about how being legally blind has impacted his career. The actor, 43, shared with The Hollywood Reporter that he’s found his blindness to be “advantageous ...