I cannot pretend I am without fear. But my predominant feeling is one of gratitude. I have loved and been loved; I have been given much and I have given something in return; I have read and traveled and thought and written. I have had an intercourse with the world, the special intercourse of writers and readers.

With any hallucinations, if you can do functional brain imagery while theyre going on, you will find that the parts of the brain usually involved in seeing or hearing - in perception - have become super active by themselves. And this is an autonomous activity; this does not happen with imagination.

I cannot pretend i am not without fear.

We now know that memories are not fixed or frozen, like Proust's jars of preserves in a larder, but are transformed, disassembled, reassembled, and recategorized with every act of recollection.

The rhythm of music is very, very important for people with Parkinson's. But it's also very important with other sorts of patients, such as patients with Tourette's syndrome. Music helps them bring their impulses and tics under control. There is even a whole percussion orchestra made up exclusively of Tourette's patients.

We have five senses in which we glory and which we recognize and celebrate, senses that constitute the sensible world for us. But there are other senses - secret senses, sixth senses, if you will - equally vital, but unrecognized, and unlauded ... unconscious, automatic.

Much more of the brain is devoted to movement than to language. Language is only a little thing sitting on top of this huge ocean of movement.