Table 2 Visual evoked potential measurements for the three participant groups. Mean peak latencies (ms) and amplitudes (μV) are shown for the early P1-N1-P2 waveform components; standard deviations are in parentheses
Group | P1 | N1 | P2 | |||
|---|---|---|---|---|---|---|
Latency | Amplitude | Latency | Amplitude | Latency | Amplitude | |
LFA | 94.7 (±25.8) | 3.34 (±1.79) | 141.3 (±26.5) | -1.27 (±3.12) | 221.3 (±28.0) | 3.43 (±2.32) |
HFA | 82.0 (±22.4) | 2.98 (±1.42) | 116.8 (±30.2) | -2.44 (±2.66) | 208.7 (±27.7) | 5.02 (±2.59) |
TD | 78.7 (±8.2) | 1.94 (±1.92) | 115.3 (±16.1) | -1.95 (±3.46) | 192.0 (±26.4) | 5.23 (±2.19) |