Animal assisted therapy is the individualised, goal-directed and deliberate integration of an animal in a therapy setting, where therapy is being conducted by a health care or human-services professional.
Animals are a useful addition in mental health therapy practices due to a wide variety of factors. However, their natural ability to calm people, their social mediation effect and ability to become instruments for psychological change appear to be the largest contributing factors. Animal assisted therapy is also commonly implemented into client treatment plans because it can challenge the barriers associated with therapy engagement. This includes in populations that typically struggle to engage in treatment such as children, adolescents, clients experiencing substance use disorders and clients who have experienced trauma.