More: Tommy has a genetic condition called Spinal Cerebral Ataxia, he did not display signs until he was about 9 months old. SCA is a progressive disorder for which there is no treatment or cure. Tommy is also a Medical Alert Dog, and will alert if I will have a seizure due to being diabetic. He knows the name of all of his toys, and is amazing with a basketball. It's getting close to the point where he will be needing a wheelchair, he will lose the function of his back legs. He is quite the little man.