Joy, I can't answer your question RE: voice/dog; but I can refer to the man who will have the answer. Just last Sunday June 25, I attended a conference, "New Century: New Options for People with Parkinson's Disease " presented by Beth Israel Medical Center (New York,NY) and the National Parkinson Foundation, Inc. It was a splendid learning situation all round, but one topic may interest you and possibly answer your question. David Elms of Chadford, Pennsylvania, along wirh one of his dogs specially trained to work with Parkinson's, demonstrated how the dogs help the patients. Email: [log in to unmask] Independence Dogs, Inc. 146 State Line Road Chadds Ford, PA 19317 U.S.A. Tel. (610) 358-2723 FAX (610) 358-5314 Good luck, [log in to unmask] (Mary Manfredi) fourscore plus / dx 17