Table 2.
N400 mean voltage and fractional area latency.
| N400 Amplitude (µV) | N400 latency (ms) | |||
|---|---|---|---|---|
| Old | Young | Old | Young | |
| Words | ||||
| Unrelated | −6.41 (± 3.87) | −5.22 (± 4.28) | 535 (± 16) | 533 (± 25) |
| Sem. related | −5.05 (± 3.44) | −3.17 (± 5.1) | 537 (± 20) | 526 (± 31) |
| Phon. related | −5.37 (± 4.29) | −3.02 (± 4.42) | 529 (± 23) | 502 (± 40) |
| Pseudo-words | ||||
| Unrelated | −5.22 (± 3.81) | −5.20 (± 3.84) | 530 (± 21) | 520 (± 16) |
| Phon. related | −5.36 (± 3.63) | −2.27 (± 4.95) | 514 (± 20) | 511 (± 29) |
ERPs mean voltage between 350–700 ms post-stimulus (N400) and mean fractional area latencies in both age-groups obtained at electrode Cz; standard deviations are given in brackets.