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Mean P300 amplitudes (in μV; standard deviations in brackets) obtained for each condition.
| 3 × 3 letters | 3 × 3 words | 6 × 6 letters | 6 × 6 words | |
|---|---|---|---|---|
| Mean | 0.80 | 0.90 | 1.34 | 1.62 |
| SD | (0.27) | (0.14) | (0.35) | (0.53) |
Data were calculated on absolute values for all subjects and were individuated as the highest P300 peak (normally from 200 to 500 ms post-stimulus on Fz, Cz, or O1 electrode).
