1. He is only now beginning research into a possible cause of dysautonomia . 2. Not every dysautonomia researcher shares O'Brien's autoimmune hypothesis. 3. The decreased amount of functional IKAP protein in cells causes familial dysautonomia . 4. Dopamine Beta-Hydroxylase Deficiency is a very rare form of dysautonomia . 5. Many scientists also categorize Parkinson disease and familial dysautonomia as " primary ". 6. Familial dysautonomia is also called hereditary sensory and autonomic neuropathy, type III. 7. Veterinarians don't know what causes dysautonomia . 8. Even as dysautonomia progresses, dogs can still walk and use their muscles normally. 9. In dysautonomia , nerve cells called neurons are quickly annihilated throughout the autonomic nervous system. 10. Most dogs with dysautonomia come from rural areas, where they are allowed to rove freely.