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Summary of ERP Amplitudes (μV) for Certain and Uncertain Trials for Controls (n = 73) and Patients (n = 89)
| Component | Group | Certain | Uncertain |
|---|---|---|---|
| M (SD) | M (SD) | ||
| cP300 | Controls | 5.8 (4.5) | 5.2 (4.1) |
| Patients | 5.2 (3.9) | 4.8 (3.6) | |
| SPN | Controls | −.1 (0.8) | −.4 (0.8) |
| Patients | −.2 (0.9) | −.2 (1.0) | |
| fP300 | Controls | 4.1 (3.7) | 10.6 (6.8) |
| Patients | 6.8 (4.8) | 10.9 (7.0) |
Note. cP300 = cue P300; SPN = stimulus-preceding negativity; fP300 = feedback P300
