The truth is everybody does it from time to time. People dial telephone numbers and they get a wrong number only to find that they've read the last two digits backwards. Everybody does it, but dyslexics have this tendency to a higher degree.
“Our feeling is that the most important thing on a set is that actors have enough confidence to try different things. If there's stress or tension, they won't go out on a limb because they won't want to embarrass themselves if they don't feel completely comfortable.”