Dyslexia is a developmental disability that inhibits recognition and processing of graphic symbols, particularly those pertaining to language. The condition is often diagnosed in childhood, as the symptoms—trouble reading, reversing words and letters, writing illegibly—become evident in the classroom. To a dyslexic, d may be seen as b or was as saw. Though dyslexia’s underlying cause is unknown, it appears to be heritable to some degree. When was it first identified? Discuss