ago foreign language, and she does have an accent but she is speaking english and i was told by ron lazar a psychologist who loaned me this tape she speaks excellent english before her stroke. but to me, the most fascinating part of this tape is that she doesn't recognize that she doesn't make any sense and she doesn't cognize that she doesn't understand. now i am going to ask you to do a couple of things. okay? can you close your eyes. >> open your eyes. show me two fingers. two fingers. >> okay. now. watch. two fingers. can you show me that? >> so you see, she doesn't recognize what she doesn't recognize. and if you find that philosophically daunting, i think you should. >> rose: but there is a common theme here. >> yes. >> rose: go ahead. >> well, this is a striking syndrome we see commonly after right hemisphere stroke, people who have had a stroke on the right side of the brain. and these patients are unaware of objects to the left side. you can have a person on the left side that will be unaware of them. food on the left side of the plate can be neglected. and if you ask patients li