"Animals as Therapeutic Agents"-
The Delta Society has published the following definition of Animal Assisted Therapy:
Animal Assisted Therapy (AAT) is a goal-directed intervention in which an animal that meets specific criteria is an integral part of the treatment process. AAT is directed and/or delivered by a health/human service professional with specialized expertise and within the scope of practice of his/her profession. Key features include specified goals and objectives for each individual and measured progress.