The duality of the brain
Before beginning our study of cerebral control, it is very important that you understand how the brain functions, as far as perception, developing ideas, sensations and actions are concerned. There are a number of modern theories, but let's look at the simplest one, which accepts the existence of two different functional centers, called the conscious or objective brain, and the unconscious or subjective brain. We will use the former terms, with the understanding that neither provides a perfect...