In the 1960's a doctor removed the corpus callosum for some patients who suffered from seizure. Dr. Roger Sperry studied these patients. He discovered that the left brain and the right brain specialized in different modes of thinking and perceiving. Dr. Sperry won a Nobel prize for this breakthrough research.

The left brain is the logical part. It controls speech, words, language. It is methodical and tends to think in step-by-step logical fashion.

The right brain is the creative part, it thinks in images and colors, and it can remember complex pictures and songs (music). It thinks in intuitive way rather than logical way.

These two half brains do not work like separate departments, but in an interconnected and collaborating way. The left brain and the right brain exchange information through the corpus callosum.

The left brain controls the right part of the body and the right brain controls the left part of the body. The left brain is the manager, the critical thinker, the accountant, etc.

Children use both the left brain and the right brain. As a result of the emphasis on left brain activities in our schools, our ability to use the right brain is reduced.