Table 5.
Essential tremor analysis.
| ET (n = 20) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Resting Tremor | Postural Tremor | |||||||
| Intensity (m/s2) | Center Freq. (Hz) | Center Freq. Dispersion (Hz) | Harmonic Index | Intensity (m/s2) | Center Freq. (Hz) | Center Freq. Dispersion (Hz) | Harmonic Index | |
|
Right side Mean ± SEM |
0.241 ± 0.076 | 5.829 * ± 0.291 | 1.755 ± 0.272 | 0.956 ± 0.007 | 0.588 ** ± 0.140 | 6.674 ± 0.340 | 2.580 ± 0.306 | 0.936 ± 0.008 |
|
Left side Mean ± SEM |
0.124 ± 0.035 | 5.995 * ± 0.355 | 2.270 ± 0.330 | 0.939 ± 0.008 | 0.599 ** ± 0.175 | 7.055 ± 0.386 | 2.855 ± 0.305 | 0.918 ± 0.010 |
**
Postural tremor intensities were significantly greater than resting tremor intensity (p < 0.05).
*
Rest vs. Postural Cf contributes significantly to total variance (p = 0.009).