Latencies and amplitudes of ERP components to the auditory and visual odd ball paradigm in patients and controls: measurements from Pz derivations
| N1 | P2 | N2 | P3 | |
|---|---|---|---|---|
| Auditory ERPS | ||||
| Latency (ms): | ||||
| Controls | 130.2 (10.8) | 181.8 (16.4) | 258.4 (14.2) | 330.4 (18.4) |
| Patients: | ||||
| 1 | 121 | 190 | 254 | 315 |
| 2 | 148 | 202 | 265 | 335 |
| 3 | 152 | 207 | 270 | 330 |
| 4 | 132 | 188 | 260 | 325 |
| Amplitude (μV): | ||||
| Controls | 11.1 (2.8) | 8.7 (2.1) | 2.5 (1.9) | 10.5 (2.8) |
| Patients: | ||||
| 1 | 18.1 | 5.6 | 2.5 | 9.0 |
| 2 | 15.5 | 7.2 | 4.1 | 10.8 |
| 3 | 14.2 | 7.8 | 3.6 | 6.8 |
| 4 | 11.0 | 6.5 | 7.3 | 11.2 |
| Visual ERPS | ||||
| Latency (ms): | ||||
| Controls | 142.1 (10.8) | 196.1 (15.8) | 264.6 (16.7) | 355.8 (19.1) |
| Patients: | ||||
| 1 | 147 | 200 | 290 | 370 |
| 2 | 132 | 188 | 274 | 338 |
| 3 | 150 | 196 | 278 | 340 |
| 4 | 145 | 202 | 269 | 330 |
| Amplitude (μV): | ||||
| Controls | 10.6 (3.1) | 7.8 (2.4) | 6.1 (2.7) | 10.6 (2.7) |
| Patients: | ||||
| 1 | 7.6 | 5.8 | 5.6 | 9.5 |
| 2 | 6.8 | 4.8 | 6.7 | 11.3 |
| 3 | 11.5 | 7.5 | 7.5 | 8.6 |
| 4 | 9.3 | 9.9 | 4.8 | 12.8 |
The mean values of controls included both age matched groups. Values in parentheses are SD.