Table 4.
Mean (± SD) dB Change from baseline (T0) at T1 and T2, by treatment and frequency band
| Frequency band | Treatment | T1 (<25 s post stun application) | T2 (26-50 s post stun application) |
|---|---|---|---|
| Alpha | |||
| P1–400 Hz (n = 29) | 3.11 (± 3.80)B | 0.73 (± 1.84)AB | |
| P1–50 Hz (n = 31) | 3.61 (± 4.28)AB | 1.37 (± 2.76)A | |
| P2–400 Hz (n = 30) | 2.29 (± 2.69)B | 0.91 (± 1.25)B | |
| P2–400 Hz (n = 29) | 1.81 (± 3.33)A | 0.56 (± 2.00)AB | |
| Beta | |||
| P1–400 Hz (n = 29) | 3.66 (± 3.15)AB | 1.09 (± 1.61)AB | |
| P1–50 Hz (n = 31) | 3.61 (± 3.21)A | 1.05 (± 1.85)A | |
| P2–400 Hz (n = 30) | 5.24 (± 2.88)B | 1.87 (± 1.57)B | |
| P2–400 Hz (n = 29) | 5.25 (± 2.71)AB | 1.92 (± 1.86)A | |
| Theta | |||
| P1–400 Hz (n = 29) | 5.57 (± 5.71)AB | 1.80 (± 4.01)AB | |
| P1–50 Hz (n = 31) | 7.59 (± 5.32)AB | 3.31 (± 4.02)B | |
| P2–400 Hz (n = 30) | 8.48 (± 4.74)B | 2.86 (± 3.40)B | |
| P2–400 Hz (n = 29) | 6.92 (± 5.08)A | 1.46 (± 4.20)A | |
| Delta | |||
| P1–400 Hz (n = 29) | 9.33 (± 8.00)AB | 4.72 (± 6.21) | |
| P1–50 Hz (n = 31) | 13.04 (± 6.61)B | 6.83 (± 5.55) | |
| P2–400 Hz (n = 30) | 12.00 (± 6.14)AB | 5.98 (± 6.29) | |
| P2–400 Hz (n = 29) | 11.22 (± 7.46)A | 3.93 (± 7.41) |
A, B, C: within frequency bands, means within columns with different superscript differ significantly (P < 0.05, Kolmogorov-Smirnov post hoc analysis).