Full Idea
If I am my brain this leads to the odd result that you have never met me because you have never seen my brain.
Gist of Idea
If we are brains then we never meet each other
Source
Keith T. Maslin (Introduction to the Philosophy of Mind [2001], 10.7)
Book Reference
Maslin,Keith: 'An Introduction to the Philosophy of Mind' [Polity 2001], p.279
A Reaction
'Star Trek' is full of aliens who appear beautiful, and turn out to be ugly grey lumps. 'I am my face' would be just as odd, particularly if I were in a coma, or dead.