How to block out the left hemisphere

Moreover Betty Edwards writes about how to block out the left hemisphere to be able to use the full potential of the right side of the brain. In her book "Drawing with the right side of the brain" she`s explaining how this can be done and also gives detailed instructions for useful exercises.

By perceiving spaces, light and shadows, lines, shapes and so on, the left side of the brain gives up in despair, probably due to the lack of logical information in numbers and words, that is the left hemisphere´s area of expertise.