Watching Bourne Supremacy. Loving Bourne Supremacy.

But. I know all about muscle memory and instinct and training that becomes second nature and all that. But if you are suffering amnesia and do not remember anything about your background or your life before a certain point, and only a little here or there of what you were before, is it reasonable that you would remember all your deadly assassin skills, how to vanish and how to tail? The languages you spoke?

Different areas of the brain? Or was it a very specific injury that was explained in the first movie?

WARNING: SPOILERS ABOUND--READ AT YOUR OWN RISK