Table 1.
Incidence, mean frequency and mean power of motion-related gamma responses detected at different p-levels (Mann-Whitney U test) in children and adults in sensor space. Standard deviations are given in parentheses.
| Stimulus velocity | P < 0.05 | P < 0.0001 | ||||
|---|---|---|---|---|---|---|
| Frequency, Hz | Power, dB | N (%sample) | Frequency, Hz | Power, dB, | N (%sample) | |
| Children, N = 46 | ||||||
| Slow | 66.1 (6.1) | 3.1 (2.0) | 45 (98%) | 65.2 (5.3) | 3.6 (1.8) | 37 (80%) |
| Medium | 73.2 (8.5) | 2.2 (1.8) | 43 (94%) | 72.3 (8.0) | 2.8 (1.8) | 31 (67%) |
| Fast | 82.2 (10.8) | 1.3 (1.0) | 37 (80%) | 79.6 (7.4) | 1.9 (1.1) | 21 (46%) |
| Adults, N = 26 | ||||||
| Slow | 55.7 (5.7) | 3.8 (1.4) | 26 (100%) | 55.7 (5.7) | 3.8 (1.4) | 26 (100%) |
| Medium | 65.1 (6.0) | 2.6 (1.3) | 26 (100%) | 65.1 (6.0) | 2.6 (1.3) | 26 (100%) |
| Fast | 70.0 (8.5) | 1.3 (0.7) | 26 (100%) | 69.5 (5.4) | 1.5 (0.7) | 19 (73%) |