Pattern appearance and flash VEP parameters for normal control subjects
| Latency difference (ms) Mean (2 SD) (range) | Amplitude ratio Mean (2 SD) (range) | ||||||
|---|---|---|---|---|---|---|---|
| Stimulus | Number of subjects | Right eye | Left eye | Mean | Right eye | Left eye | Mean |
| Pattern appearance | 27 | −0.04 (1.86) (−2 to +3) | 0.07 (2.05) (−2 to +2.5) | 0.02 (1.86) (−0.5 to +2) | 1.10 (0.50) (0.71 to 1.77) | 1.01 (0.42) (0.63 to 1.59) | 1.06 (0.23) (0.91 to 1.37) |
| Flash | 11 | −0.09 (2.44) (−2.0 to +2.0) | −0.73 (2.54) (−4.0 to 0) | −0.41 (1.47) (−1.5 to +1.0) | 1.1 (0.52) (0.73 to 1.30) | 1.1 (0.59) (0.81 to 1.63) | 1.1 (0.15) (0.96 to 1.19) |