Table 1.
Standard Tone | Rare Tone | Noise Tone | Tone Effects | |
---|---|---|---|---|
Frontal | ||||
0–50 ms | ||||
Delta Band | −51.1 ± 2.8 | −52.1 ± 3.0 | −57.6 ± 3.4& | F(1.5,96.1)=8.9, P<0.005 |
Theta Band | −74.8 ± 4.3 | −73.7 ± 4.4 | −84.2 ± 5.3& | F(1.7,108.8)=7.9, P<0.005 |
Alpha/Beta Band | 332.6 ± 25.6 | 457.3 ± 31.4@ | 676.1 ± 43.8& | F(1.8,112.8)=54.3, P<0.001 |
50–350 ms | ||||
Delta Band | 432.4 ± 30.2 | 428.8 ± 31.7 | 423.3 ± 27.6 | F(1.4,89.0)=0.25, NS |
Theta Band | 1288.6 ± 70.4 | 1309.6 ± 79.0 | 1369.2 ± 87.9 | F(1.5,95.1)=2.9, NS |
Alpha/Beta Band | 2804.9 ± 116.2 | 2868.9 ± 138.1 | 2976.8 ± 138.5 | F(1.8,116.6)=3.7, P<0.05 |
350–800 ms | ||||
Delta Band | 661.9 ± 46.9** | 658.3 ± 51.1 | 601.7 ± 40.6 | F(1.3,84.1)=5.7, P<0.05 |
Theta Band | 1874.3 ± 101.9 | 1940.4 ± 110.5 | 1815.5 ± 128.7 | F(1.5,95.1)=3.3, NS |
Alpha/Beta Band | 3778.8 ± 173.4 | 3659.4 ± 194.9 | 3245.3 ± 195.7& | F(1.5,98.6)=16.5, P<0.001 |
Parietal | ||||
0–50 ms | ||||
Delta Band | −42.4 ± 2.2 | −40.9 ± 2.4 | −39.4 ± 2.2 | F(1.8,112.8)=1.7, NS |
Theta Band | −73.9 ± 3.4 | −76.9 ± 3.9 | −76.2 ± 3.9 | F(1.7,109.8)=0.6, NS |
Alpha/Beta Band | 200.9 ± 19.0 | 266.9 ± 24.3@ | 382.2 ± 35.0& | F(1.6,103.7)=23.7, P<0.001 |
50–350 ms | ||||
Delta Band | 311.0 ± 17.3 | 286.6 ± 16.5@ | 260.4 ± 15.1& | F(1.6,105.4)=13.7, P<0.001 |
Theta Band | 1098.7 ± 49.2 | 1050.9 ± 49.7@ | 929.0 ± 44.0& | F(1.6,105.5)=27.8, P<0.001 |
Alpha/Beta Band | 2915.9 ± 119.6 | 2896.5 ± 132.6 | 2904.7 ± 128.2 | F(1.8,112.6)=0.04, NS |
350–800 ms | ||||
Delta Band | 472.7 ± 26.2 | 425.4 ± 23.3@ | 381.3 ± 21.8& | F(1.9,120.4)=22.9, P<0.001 |
Theta Band | 1700.8 ± 78.9 | 1691.9 ± 82.5 | 1519.1 ± 83.2& | F(1.9,123.6)=11.0, P<0.001 |
Alpha/Beta Band | 4424.9 ± 187.7** | 4225.5 ± 185.6 | 3942.8 ± 205.0 | F(1.8,113.4)=9.2, P<0.001 |
Values are mean ± SEM. Represent statistically significant difference,
standard vs. noise tones;
noise vs. standard and rare tones;
rare vs. standard tones; (post hoc pairwise comparisons, P < 0.05).