... category are rated by the subject and technician, with a range of scores for nausea of 0 to 16, for skin color of 0 to 8, for cold sweating of 0 to 8, salivation of 0 to 8, drowsiness of 0 to ... visually-induced motion sickness. We have theorized previously that increased activity in vesti-bulo-autonomic projections, possibly via serotonin, may account for increased symptoms in migraineurs ... Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, USA 2. Department of Anesthesiology & Critical Care Medicine, University of Pittsburgh School of Medicine,...