Table 1.
Mean initial peak-to-peak VsCEP amplitudes across the differing head positions and posterior fossa electrodes
| Head position | |||||
|---|---|---|---|---|---|
| L max | L mid | Neutral | R mid | R max | |
| L mastoid stimulation | |||||
| PO9 | 8.0 (7.3) | 7.6 (6.9) | 6.8 (5.5) | 30.0 (22.9) | 51.1 (46.5) |
| I1 | 10.2 (6.3) | 10.4 (4.6) | 8.9 (4.0) | 18.7 (18.1) | 29.1 (37.4) |
| Iz | 18.3 (12.2) | 14.9 (9.0) | 13.2 (8.1) | 8.8 (6.9) | 16.0 (16.3) |
| I2 | 35.7 (21.8) | 25.5 (18.9) | 22.1 (15.0) | 9.0 (4.3) | 18.5 (11.8) |
| PO10 | 63.8 (35.3) | 37.0 (30.3) | 25.1 (25.0) | 7.8 (4.5) | 12.4 (8.0) |
| R mastoid stimulation | |||||
| PO9 | 11.5 (11.0) | 9.7 (8.4) | 18.9 (18.1) | 49.4 (27.2) | 59.3 (33.9) |
| I1 | 15.7 (11.1) | 13.2 (8.3) | 17.8 (17.1) | 31.8 (28.0) | 33.9 (32.1) |
| Iz | 22.9 (14.7) | 15.2 (10.6) | 13.3 (8.5) | 16.0 (11.7) | 16.7 (12.1) |
| I2 | 43.6 (33.9) | 28.9 (27.9) | 13.5 (7.4) | 10.2 (5.9) | 12.1 (8.7) |
| PO10 | 71.2 (45.9) | 41.8 (42.5) | 14.7 (8.3) | 8.2 (5.1) | 12.5(10.1) |
Mean (SD), R, right; L, left