I do believe you are mistaken in your response. the neuro-chemical process in the brain does not create anything. The eyes and ears does not create anything either. Our eyes and ears allow us to access what already exists. Likewise nothing is created by the brain. The brain provide access to something that already exist.
There are many drugs that will do to the brain what telescopes, etc does for the eye.
Much of our music and art and knowledge was brought back by few who could access the realm of where such exists in the 4th dimension,
There was a person from India named Srinivasa Ramunajen who never went to school, but he taught maths to Professor Harding and Littlewood at Trinity University in England.