Tony Buzan, author of the best-selling Use Your Head

How Many Brains?
Supplementing this modern research has been the new discovery
that we have not one brain but two. Professor Roger Sperry
recently received the Nobel Prize for his breakthrough work in
this area. Sperry discovered that each one of us has a brain that is
divided into two physiological sections, each dealing with different
mental functions.
Sperry has shown that, in most of us, the left side of the brain
deals with the following areas:
logic
language
number
sequencing and linearity
analysis
Similarly, in most of us, the right side of the brain deals with the
following mental functions:
rhythm and music
imagination
daydreaming
colour
dimension
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USE YOUR MEMORY
This is your superstreamlined brain, depicted as if viewed with X-ray
eyes from a vantage point to the left of the left shoulder. Thus, you are
looking at the left hemisphere, which deals with the mental functions of
logic, language, number, sequencing and linearity, and analysis. The
right side of the brain, the back tip of which you can just see, deals with
rhythm and music, imagination, daydreaming, colour and dimension.
These two ranges of abilities combine to give you a super-
powered memory.
No matter what you have been taught, somewhere latent within
each of you lies each one of these capabilities simply waiting to be
freed. Sperry and others also found that the more people use both
sides of their brains together, the more the use of each side
benefits the other. For example, it was found that the study of
music helped the study of mathematics, and the study of mathe-
matics helped the study of music; that the study of rhythm helped
the study of languages and that the study of languages helped the
learning of bodily rhythms; that the study of dimension helped the
study of mathematics and that the study of mathematics helped
the brain conceptualise dimension; and so on. It was similarly
found that if a person used more of these areas, the more gen-
erally capable was his entire memory.