I had sort of forgotten about the whole “nose into the brain” myth until recently when a student brought it up.  Jonathon Maberry has an article posted on the Martial arts Myths section of the Fighting Arts site in which he discusses it.

Pushing The Nose Bone Into The Brain

By Jonathan Maberry

Can a person really strike someone in a way that will drive the nose bone into the brain? I hear this one all the time, so let’s start with the short answer: No.

Click Here for the rest of the article.