Table 2.
Parameters of ERP components.
| Old |
Young |
||||
|---|---|---|---|---|---|
| Low load | High load | Low load | High load | ||
| P1 | Latency | 121.7 ± 3.2 | 120.8 ± 3.8 | 117.7 ± 2.3 | 115.6 ± 2.8 |
| Amplitude | 5.3 ± 0.9 | 4.6 ± 0.8 | 6.3 ± 0.9 | 7.0 ± 1.0 | |
| N1 | Latency | 175.9 ± 3.4 | 174.7 ± 3.3 | 167.2 ± 3.5 | 170.4 ± 3.2 |
| Amplitude | -1.7 ± 0.5 | -1.6 ± 0.6 | -1.4 ± 0.7 | -1.1 ± 0.6 | |
| P2 | Latency | 220.6 ± 3.9 | 218.0 ± 4.0 | 208.5 ± 4.5 | 204.1 ± 3.4 |
| Amplitude | 2.9 ± 0.8 | 3.2 ± 0.8 | 5.9 ± 0.6 | 5.6 ± 0.6 | |
| N2 | Latency | 287.6 ± 4.4 | 289.1 ± 5.9 | 270.7 ± 2.9 | 275.7 ± 3.5 |
| Amplitude | -1.4 ± 0.8 | -0.7 ± 0.7 | 2.2 ± 0.7 | 2.4 ± 0.7 | |
| P3 | Latency | 422.8 ± 10.5 | 414.6 ± 12.4 | 401.0 ± 10.7 | 402.9 ± 9.0 |
| Amplitude | 2.2 ± 0.8 | 3.0 ± 0.6 | 7.8 ± 1.1 | 7.5 ± 1.2 | |
| 550 –700 ms | Fz Amplitude | -0.5 ± 0.6 | 0.3 ± 0.6 | 2.5 ± 0.9 | 3.2 ± 0.9 |
| Pz Amplitude | 0.2 ± 0.6 | 1.4 ± 0.6 | 3.4 ± 1.1 | 3.4 ± 1.2 | |
| 701 – 850 ms | Fz Amplitude | -0.8 ± 0.8 | 0.1 ± 0.7 | 1.0 ± 0.8 | 2.3 ± 0.8 |
| Pz Amplitude | -0.7 ± 0.8 | 0.7 ± 0.7 | 0.6 ± 1.0 | 2.4 ± 1.3 | |
| 851–1000 ms | Fz Amplitude | -1.2 ± 0.9 | -0.0 ± 0.8 | 0.7 ± 0.8 | 1.9 ± 0.8 |
| Pz Amplitude | -1.9 ± 0.9 | -0.2 ± 0.7 | -0.3 ± 0.9 | 1.4 ± 1.2 | |
Latency (in milliseconds) and amplitude (in μV) for each group and memory load condition. Mean value ± Standard Error.