. ▁The ▁sympt oms ▁include ▁sudden ▁on set ▁of ▁vert igo ▁and ▁vom iting , ▁n yst ag mus , ▁d ys arth ria , ▁falling ▁to ▁the ▁side ▁of ▁the ▁les ion ▁( due ▁to ▁damage ▁to ▁vest ib ular ▁nuc lei ), ▁and ▁a ▁variety ▁of ▁i ps il ater al ▁features ▁including ▁hem i ata x ia , ▁loss ▁of ▁all ▁modal ities ▁of ▁sens ation ▁of ▁the ▁face ▁( due ▁to ▁damage ▁to ▁the ▁principal ▁sens ory ▁trig em inal ▁nucle us ), ▁fa cial ▁par al ysis ▁( due ▁to ▁damage ▁to ▁the ▁fa cial ▁nucle us ), ▁and ▁hearing ▁loss ▁and ▁t inn it us ▁( due ▁to ▁damage ▁to ▁the ▁co ch lear ▁nuc lei ). ▁Vert igo ▁may ▁sometimes ▁present ▁as ▁an ▁isolated ▁sympt om ▁several ▁weeks ▁or ▁months ▁before ▁ac ute ▁is chem ia ▁and ▁c ere br al ▁inf ar ction ▁occurs , ▁probably ▁with ▁the ▁meaning ▁of ▁trans ient ▁is chem ia ▁of ▁the ▁inner ▁ear ▁or ▁the ▁vest ib ular ▁n erve . ▁ ▁There ▁is ▁also ▁loss ▁of ▁pain ▁and ▁temperature ▁sens ation ▁from ▁the ▁contr al ater al ▁lim bs ▁and ▁tr unk , ▁which ▁can ▁lead ▁to ▁di agnostic ▁confusion ▁with ▁later al ▁med ull ary ▁synd rome , ▁which ▁also ▁gives ▁rise ▁to ▁" cross ed " ▁ne uro log ical ▁signs ▁but ▁does ▁not ▁normally ▁cause ▁co ch lear ▁sympt oms , ▁severe ▁fa cial ▁p als y ▁or ▁mult im od al ▁fa cial ▁sens