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dyslexia, an inability or pronounced difficulty to learn to read or spell, despite otherwise normal intellectual functions. Dyslexia is a chronic neurological disorder that inhibits a person’s ability to recognize and process graphic symbols, particularly those pertaining to language. Primary symptoms include extremely poor reading skills owing to no apparent cause, a tendency to read and write words and letters in reversed sequences, similar reversals of words and letters in the person’s speech, and illegible...