i feel that it shows itself in the contrast between the child's — we're talking about children for the moment, although obviously there are dyslexic adults — it shows itself in the contrast between the person's ability to express him or herself in words and their ability to put it down on paper and to read it off paper, and it's this contrast which often arouses one's suspicions that there might be some problem and, having gone into it a little, we find that it stems from a failure of the sensory motor system — the brain isn't processing the information it's receiving through the ear and eye.