You are not going to fined a ton of info as this is in it infancy of understanding.
How to Deal with Anxiety and Distress Responses: Dogs
Karen L. Overall, MA, VMD, PhD, DACVB, ABS Certified Applied Animal Behaviorist
Fears, anxieties, phobias, and stereotypies (obsessive-compulsive disorder)
http://www.vin.com/VINDBPub/SearchPB...00/PR00382.htm
I also look into
http://www.animalambassadors.com/practitioners.shtml
They deal with ways to handle anxiety as well.
Joy