Table 3.
Mean amplitude (± SD) for sensory (N1) measured at Cz electrode and cognitive (MMN measured at Fz and P3a measured at Cz) ERPs
| ERP Amplitude | SWSD | Night Workers | Day Workers | P-value |
|---|---|---|---|---|
| N1 to STD | −0.49 μV (± 0.3) | −0.84 μV (± 0.6) | −0.56 μV (± 0.2) | ns |
| N1 to NOV | −0.86 μV (± 1.1) | −1.20 μV (± 1.0) | −1.20 μV (± 0.6) | ns |
| N1 to DEV | −0.39 μV (± 1.0) | −0.7 μV (± 0.7) | −0.52 μV (± 0.5) | ns |
| MMN to NOV | −0.96 μV (± 1.5) | −0.76 μV (± 0.5) | −1.2 μV (± 0.6) | ns |
| MMN to DEV | −0.19 μV (± 1.2) | −0.88 μV (± 0.6) | −1.33 μV (± 0.5) | 0.04 |
| P3a to NOV | 3.49 μV (± 2.0) | 1.51 μV (± 1.2) | 1.82 μV (± 0.5) | 0.03 |
| P3a to DEV | 0.58 μV (± 1.6) | 0.39 μV (± 0.6) | 0.50 μV (± 0.4) | ns |
NOV, novel; DEV, deviant duration; STD, standard