I use both sides, thank you very much. I am not a fan of Edward's work at all. Drawing and painting is very analytical, not just euphoric and emotional. It is scientific, mathematical, objective, as well as subjective and "sensitive." It takes conscious and sub-conscious effort, right and left-sided work. Portrait art requires a high degree of objectivity, detachment and analysis in order to be accurate and critical. If you have ever had a very attractive model posing in front of you, you know what I mean.
You don't have to know how the brain works to use it.
