I got several comments on my caregiver blog about Therapeutic robots. Several people were intrigued and others where "cautionary". The cautions are well founded. If you are caring for aging parents, you have to view technology as a tool, not a pat answer. Some dementia patients might find a robot a cause for paranoia or even an object of anger. So instead of enhancing a sense of well-being it could actually damage it.
A professional geriatric care manager can help with these kinds of decisions along with other health professionals.
Here is another article about Paro which you may find interesting titled, Robot baby seals to replace cats and dogs as pets in hospitals, nursing homes. This article explores the artificial intelligence capabilities in a little more depth.
Eric Tinsley
Alan Stanford 
Jean Bandos
Karen Kelsey
Natalie Crohn
George Slater
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