Left ear stimulation Right ear stimulation Force Ipsilateral response (left triceps) Contralateral response (right triceps) Ipsilateral response (right triceps) Contralateral response (left triceps) 5 lbs. Not tested 6 tested (38%) 3 tested (19%) 5 tested (31%) 10 lbs. Not tested Not tested 5 tested (31%) 10 tested (63%) 15 lbs. 2 tested (13%) 14 tested (88%) 2 tested (13%) 10 tested (63%) 20 lbs. Not tested 4 tested (25%) 3 tested (19%) 5 tested (31%)

Table 1: Number of subjects (and percentage of total subjects) tested in each test condition