Latency to maximal stimulus response at selected electrode clusters
| Electrode location | Stimulus type | n | ms to maximum response (SD) | p Value |
| C3 | Light touch versus pain | 33 | 301 (40.8) vs 569 (122.2) | <0.001 |
| Pain versus cold | 22 | 570 (120.9) vs 382 (42.5) | <0.001 | |
| Cold versus light touch | 31 | 394 (42.4) vs 297 (43.3) | <0.001 | |
| C4 | Light touch versus pain | 33 | 308 (39.8) vs 523 (132.3) | <0.001 |
| Pain versus cold | 22 | 522 (134.3) vs 379 (46.6) | <0.001 | |
| Cold versus light touch | 31 | 382 (41.9) vs 301 (37.5) | <0.001 | |
| F3 | Light touch versus pain | 33 | 292 (40.1) vs 532 (124.7) | <0.001 |
| Pain versus cold | 22 | 512 (130.8) vs 387 (34.8) | <0.001 | |
| Cold versus light touch | 31 | 384 (37.0) vs 293 (41.6) | <0.001 | |
| F4 | Light touch versus pain | 33 | 292 (38.2) vs 506 (118.3) | <0.001 |
| Pain versus cold | 22 | 494 (120.5) vs 390 (43.4) | <0.001 | |
| Cold versus light touch | 31 | 376 (45.3) vs 293 (41.1) | <0.001 |
F3, frontal left; F4, frontal right; C3, central left, C4, central right; ms, milliseconds.