Table 2.
Mean, standard deviation, and P values of maximum peak-to-peak amplitudes of auditory target delta (0.5–2.2 Hz) oscillatory activity in healthy elderly controls and mild cognitive impairment (MCI) subjects.
| Location | Healthy controls (n = 21) | MCI (n = 22) | P value |
|---|---|---|---|
| Mean value μV (SD) | Mean value μV (SD) | ||
| F3 | 4.94 (2.07) | 3.47 (2.17) | 0.029 |
| Fz | 5.78 (2.30) | 3.87 (2.82) | 0.019 |
| F4 | 5.54 (2.14) | 3.51 (2.23) | 0.004 |
| C3 | 3.86 (2.25) | 2.83 (1.92) | 0.114 |
| Cz | 4.81 (2.65) | 3.17 (2.55) | 0.044 |
| C4 | 4.72 (2.22) | 3.12 (1.92) | 0.014 |
| TP7 | 2.33 (1.47) | 2.04 (1.44) | 0.523 |
| TP8 | 3.62 (1.71) | 2.70 (1.39) | 0.058 |
| P3 | 4.16 (2.81) | 3.04 (2.21) | 0.149 |
| Pz | 4.92 (3.08) | 3.04 (2.34) | 0.03 |
| P4 | 5.05 (3.01) | 3.66 (2.33) | 0.104 |
| O1 | 3.99 (2.64) | 2.81 (1.96) | 0.099 |
| Oz | 3.85 (2.65) | 3.01 (2.01) | 0.246 |
| O2 | 3.85 (2.43) | 3.08 (1.98) | 0.261 |
Statistically significant (P < 0.05) results are indicated in bold style.