You will be fascinated! by the brain scan pictures of a brain before and after EMDR at this educational site: San Diego Trauma Therapy.
The following websites provide additional information about EMDR (including research information):
April Steele is an EMDR therapist on the west coast. April specializes in issues of early neglect, abuse, and trauma. For years I have been reading her wise posts on the professional list servs I belong to. April has developed some lovely tools for therapists working with people who have missed out on the nurturing that is so important in the formative years.