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Mean age at visit 1 and 2, and mean age difference between the two visits of infants providing EEG data for the N290/P400 and for the Nc. Age is reported in days, standard deviations are shown in the brackets.
| Component | Age visit 1 | Age visit 2 | Age difference between visits |
|---|---|---|---|
| P1/N290/P400 | 168 (22.5) | 319 (25.7) | 151 (34.2) |
| Nc | 168 (22.0) | 318 (25.7) | 150 (33.5) |
