Sometimes, if the dissection is particularly difficult and intense, or dangerous, I will pause for a while, rest my hands on the arm-rests, and look at the brain I am operating on. Are the thoughts that I am thinking as I look at this solid lump of fatty protein covered in blood vessels really made out of the same stuff? And the answer always comes back – they are – and the thought itself is too crazy, too incomprehensible, and I get on with the operation.
