Table 2.
Parameters of Rat OPs in the Frequency Domain
| Parameter | Intensity | Age | Control | 75 Model | 50/10 Model | ANOVA* |
|---|---|---|---|---|---|---|
| E (μV2 · s−1) | 65 R* | P20 | 3,310 (3,450) | 3,730 (5,210) | 610 (570) | Fgroup = 7.24; P = 0.002 |
| P30 | 2,000 (1,510) | 1,730 (1,970) | 710 (660) | Fage = 7.08; P = 0.002 | ||
| P60 | 1,040 (1,270) | 620 (1,070) | 210 (240) | Fintensity = 37.73; P < 0.001 | ||
| Fgroup×age = 1.33; P = 0.269 | ||||||
| 8,500 R* | P20 | 9,100 (6,330) | 6,320 (7,500) | 1,650 (1,430) | Fgroup×intensity = 7.80; P = 0.002 | |
| P30 | 4,920 (3,080) | 2,930 (2,550) | 1,690 (1,820) | Fage×intensity = 2.84; P = 0.065 | ||
| Fpeak (Hz) | P60 | 5,240 (7,500) | 1,780 (1,930) | 840 (1,260) | Fgroup×age×intensity = 0.86; P = 0.490 | |
| 65 R* | P20 | 92 (16) | 84 (5) | 84 (12) | Fgroup = 3.46; P = 0.043 | |
| P30 | 101 (14) | 105 (13) | 97 (12) | Fage = 62.13; P < 0.001 | ||
| P60 | 107 (16) | 113 (16) | 111 (17) | Fintensity = 4.87; P = 0.034 | ||
| Fgroup×age = 4.30; P = 0.004 | ||||||
| 8,500 R* | P20 | 91 (12) | 85 (10) | 77 (10) | Fgroup×intensity = 1.51; P = 0.236 | |
| Log i1/2 (log R*) | P30 | 98 (9) | 101 (15) | 88 (11) | Fage×intensity = 0.43; P = 0.651 | |
| P60 | 99 (10) | 117 (9) | 104 (11) | Fgroup×age×intensity = 0.84; P = 0.507 | ||
| P20 | 0.705 (0.676) | 0.784 (0.574) | 0.756 (0.614) | Fgroup = 9.53; P < 0.001 | ||
| P30 | 0.672 (0.713) | 0.792 (0.561) | 0.710 (0.670) | Fage = 3.60; P = 0.033 | ||
| P60 | 0.738 (0.637) | 0.788 (0.568) | 0.781 (0.579) | Fgroup×age = 0.94; P = 0.448 |
Data are the mean (SD).
*
Group factor is between subjects; age and intensity factors are within subjects. Significance was defined as P < 0.05.