Re: Student ability
Some people have medical conditions or learning disabilities which make it Impossible to focus in the way you mean.
My friend definitly has this and it sounds as though Dave's student does as well. And it may be something as simple as losing all sense of direction when turning, which could be neurological.Reading this thread makes me think that "turning" really might have something to do with it.
Sometimes patterning helps with this, sometimes it doesn't. Sometimes similar problems have different solutions.