In this article, they talk about how emotions originate in the subconscious mind. The only problem with the research in my opinion is that they do not talk about the unconscious mind which controls automatic body functions which result in the "feeling" of the emotion. It is the feeling of the emotion that informs the conscious mind about the internal state we call emotions.
Personally, I love it when any respectable research is being done into the use of hypnosis and hypnotherapy. Here is a link to the article, http://bit.ly/4m2Blr.