posted on 2013-02-19, 19:27authored byLarry A. Abel, Elizabeth A. Bowman, Dennis Velakoulis, Michael C. Fahey, Patricia Desmond, Matthew D. Macfarlane, Jeffrey Chee Leong Looi, Christopher L. Adamson, Mark Walterfang
AOO = age of onset; DON = duration of neurological symptoms; NUCOG = Neuropsychiatry Unit Cognitive Assessment Tool; VOR = vestibulo-ocular reflex. + − detectable but no functional impairment; ++ − mild functional impairment; +++ − moderate to severe functional impairment.