"I, olfactory","smell",-1 "II, 2, optic","sight",-1 "III, 3, oculomotor","pupils, accomodation, eye lid movement",-1 "IV, 4, trochlear","eye movement",-1 "V, 5, trigeminal","corneal reflex, face (sensation), clench jaw",-1 "VI, 6, abducens","eye movement",-1 "VII, 7, facial","taste 2/3 anterior tongue, smile, corneal reflex",-1 "VIII, 8, auditory","hearing, balance",-1 "IX, 9","swallow (gag), taste 1/3 posterior tongue",-1 "X, 10, vagus","speech",-1 "XI, 11, spinal","shoulder shrug",-1 "XII, 12, hypoglossal","move tongue side to side",-1