Table 2.
Main values for measured visually enhanced VOR variables.
| Method | Value | Healthy | Vestibular bilateral | Vestibular unilateral | CANVAS |
|---|---|---|---|---|---|
| FFT | Frequency (Hz) | 1.52 ± 0.32 | 1 ± 0.48 | 1.76 ± 0.1 | 1.35 ± 0.51 |
| Maximum | Head Vel. (°/s) | 111.3 ± 36.2 | 88.3 ± 29.36 | 138.1 ± 29.65 | 106.8 ± 36.9 |
| AUC | GAUCp | 1.00 ± 0.03 | 0.84 ± 0.13 | 0.81 ± 0.12 | 0.45 ± 0.11 |
| GAUCn | 1.00 ± 0.05 | 0.82 ± 0.15 | 0.73 ± 0.2 | 0.4 ± 0.12 | |
| SPC | GSPp | 0.99 ± 0.03 | 0.84 ± 0.14 | 0.81 ± 0.12 | 0.43 ± 0.11 |
| GSPn | 0.99 ± 0.03 | 0.83 ± 0.13 | 0.72 ± 0.21 | 0.41 ± 0.12 | |
| Saccades | Saccades/cycle | 0 ± 0 | 3 ± 1.62 | 2.12 ± 0.85 | 4.08 ± 2.12 |
FFT, fast Fourier Transform method; Head Vel., maximum head velocity; AUC, area under curve method; SPC, slope of scatter plot regression method; GAUCp, positive gain value obtained with area under curve method; GAUCn, negative gain value obtained with area under curve method; GSPp, positive gain value obtained with slope of scatter plot regression method; GSPn, negative gain value obtained with slope of scatter plot regression method; CANVAS, cerebellar ataxia, neuropathy, and vestibular areflexia syndrome.